#145 [Rights-Module] preparation for module specific roles

src/main/java/org/hostsharing/hsadminng/domain/UserRoleAssignment.java

@@ -1,22 +1,25 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.domain;
 
-import org.hostsharing.hsadminng.repository.UserRepository;
+import com.fasterxml.jackson.annotation.JsonAutoDetect;
-import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
-import org.hostsharing.hsadminng.service.accessfilter.*;
-
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.TreeNode;
-
+import org.hostsharing.hsadminng.repository.UserRepository;
+import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
+import org.hostsharing.hsadminng.service.accessfilter.*;
+import org.hostsharing.hsadminng.service.accessfilter.Role.Admin;
+import org.hostsharing.hsadminng.service.accessfilter.Role.Supporter;
 import org.springframework.boot.jackson.JsonComponent;
 import org.springframework.context.ApplicationContext;
 
+import javax.persistence.*;
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
 import java.lang.reflect.Field;
 import java.util.Objects;
 
-import javax.persistence.*;
+import static org.hostsharing.hsadminng.service.util.ReflectionUtil.of;
-import javax.validation.constraints.*;
 
 /**
  * A UserRoleAssignment.
@@ -24,41 +27,44 @@ import javax.validation.constraints.*;
 @Entity
 @Table(name = "user_role_assignment")
 @EntityTypeId(UserRoleAssignment.ENTITY_TYPE_ID)
+@JsonAutoDetect(
+        fieldVisibility = JsonAutoDetect.Visibility.ANY,
+        getterVisibility = JsonAutoDetect.Visibility.NONE,
+        setterVisibility = JsonAutoDetect.Visibility.NONE)
 public class UserRoleAssignment implements AccessMappings {
 
     private static final long serialVersionUID = 1L;
 
-    public static final String ENTITY_TYPE_ID = "rights.UserRoleAssignment";
+    private static final String USER_FIELD_NAME = "user";
 
-    static final String USER_FIELD_NAME = "user";
+    public static final String ENTITY_TYPE_ID = "rights.UserRoleAssignment";
 
     @Id
     @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "sequenceGenerator")
     @SequenceGenerator(name = "sequenceGenerator")
     @SelfId(resolver = UserRoleAssignmentService.class)
-    @AccessFor(read = Role.SUPPORTER)
+    @AccessFor(read = Supporter.class)
     private Long id;
 
     @NotNull
     @Size(max = 32)
     @Column(name = "entity_type_id", length = 32, nullable = false)
-    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = Role.SUPPORTER)
+    @AccessFor(init = Admin.class, update = Admin.class, read = Supporter.class)
     private String entityTypeId;
 
     @NotNull
     @Column(name = "entity_object_id", nullable = false)
-    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = Role.SUPPORTER)
+    @AccessFor(init = Admin.class, update = Admin.class, read = Supporter.class)
     private Long entityObjectId;
 
     @NotNull
-    @Enumerated(EnumType.STRING)
     @Column(name = "assigned_role", nullable = false)
-    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = Role.SUPPORTER)
+    @AccessFor(init = Admin.class, update = Admin.class, read = Supporter.class)
-    private Role assignedRole;
+    private String assignedRole;
 
     @ManyToOne
     @JsonIgnoreProperties("requireds")
-    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = Role.SUPPORTER)
+    @AccessFor(init = Admin.class, update = Admin.class, read = Supporter.class)
     private User user;
 
     // jhipster-needle-entity-add-field - JHipster will add fields here, do not remove
@@ -103,16 +109,16 @@ public class UserRoleAssignment implements AccessMappings {
     }
 
     public Role getAssignedRole() {
-        return assignedRole;
+        return assignedRole != null ? Role.of(assignedRole) : null;
     }
 
     public UserRoleAssignment assignedRole(Role assignedRole) {
-        this.assignedRole = assignedRole;
+        this.assignedRole = of(assignedRole, Role::name);
         return this;
     }
 
     public void setAssignedRole(Role assignedRole) {
-        this.assignedRole = assignedRole;
+        this.assignedRole = of(assignedRole, Role::name);
     }
 
     public User getUser() {
@@ -154,9 +160,9 @@ public class UserRoleAssignment implements AccessMappings {
     public String toString() {
         return "UserRoleAssignment{" +
                 "id=" + getId() +
-                ", entityTypeId='" + getEntityTypeId() + "'" +
+                ", entityTypeId='" + entityTypeId + "'" +
-                ", entityObjectId=" + getEntityObjectId() +
+                ", entityObjectId=" + entityObjectId +
-                ", assignedRole='" + getAssignedRole() + "'" +
+                ", assignedRole='" + assignedRole + "'" +
                 "}";
     }
 
@@ -172,9 +178,8 @@ public class UserRoleAssignment implements AccessMappings {
         @Override
         protected JSonFieldWriter<UserRoleAssignment> jsonFieldWriter(final Field field) {
             if (USER_FIELD_NAME.equals(field.getName())) {
-                return (final UserRoleAssignment dto, final JsonGenerator jsonGenerator) -> {
+                return (final UserRoleAssignment dto, final JsonGenerator jsonGenerator) -> jsonGenerator
-                    jsonGenerator.writeNumberField(USER_FIELD_NAME, dto.getUser().getId());
+                        .writeNumberField(USER_FIELD_NAME, dto.getUser().getId());
-                };
             }
             return super.jsonFieldWriter(field);
         }
@@ -196,9 +201,8 @@ public class UserRoleAssignment implements AccessMappings {
         @Override
         protected JSonFieldReader<UserRoleAssignment> jsonFieldReader(final TreeNode treeNode, final Field field) {
             if ("user".equals(field.getName())) {
-                return (final UserRoleAssignment target) -> {
+                return (final UserRoleAssignment target) -> target
-                    target.setUser(userRepository.getOne(getSubNode(treeNode, "id").asLong()));
+                        .setUser(userRepository.getOne(getSubNode(treeNode, "id").asLong()));
-                };
             }
 
             return super.jsonFieldReader(treeNode, field);

src/main/java/org/hostsharing/hsadminng/service/accessfilter/AccessFor.java

@@ -1,6 +1,8 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.accessfilter;
 
+import org.hostsharing.hsadminng.service.accessfilter.Role.Nobody;
+
 import java.lang.annotation.*;
 
 @Documented
@@ -8,9 +10,9 @@ import java.lang.annotation.*;
 @Retention(RetentionPolicy.RUNTIME)
 public @interface AccessFor {
 
-    Role[] init() default Role.NOBODY;
+    Class<? extends Role>[] init() default Nobody.class;
 
-    Role[] update() default Role.NOBODY;
+    Class<? extends Role>[] update() default Nobody.class;
 
-    Role[] read() default Role.NOBODY;
+    Class<? extends Role>[] read() default Nobody.class;
 }

src/main/java/org/hostsharing/hsadminng/service/accessfilter/JSonAccessFilter.java

@@ -1,27 +1,28 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.accessfilter;
 
-import static com.google.common.base.Verify.verify;
-import static com.google.common.collect.Sets.union;
-import static java.util.Collections.EMPTY_SET;
-import static java.util.Collections.emptySet;
-
 import org.hostsharing.hsadminng.security.SecurityUtils;
 import org.hostsharing.hsadminng.service.IdToDtoResolver;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
 import org.hostsharing.hsadminng.service.dto.MembershipDTO;
 import org.hostsharing.hsadminng.service.util.ReflectionUtil;
 import org.hostsharing.hsadminng.web.rest.errors.BadRequestAlertException;
-
 import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
 import org.springframework.context.ApplicationContext;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.context.SecurityContextHolder;
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Field;
-import java.util.Arrays;
 import java.util.Set;
 import java.util.stream.Collectors;
 
+import static com.google.common.base.Verify.verify;
+import static com.google.common.collect.Sets.union;
+import static java.util.Collections.EMPTY_SET;
+import static java.util.Collections.emptySet;
+
 abstract class JSonAccessFilter<T extends AccessMappings> {
 
     private final ApplicationContext ctx;
@@ -58,11 +59,15 @@ abstract class JSonAccessFilter<T extends AccessMappings> {
      * @return all roles of the login user in relation to the dto, for which this filter is created.
      */
     Set<Role> getLoginUserRoles() {
-        final Set<Role> independentRoles = Arrays.stream(Role.values())
+        final Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
-                .filter(
+        if (authentication == null) {
-                        role -> role.getAuthority()
+            return emptySet();
-                                .map(authority -> SecurityUtils.isCurrentUserInRole(authority))
+        }
-                                .orElse(false))
+        final Set<Role> independentRoles = authentication
+                .getAuthorities()
+                .stream()
+                .map(GrantedAuthority::getAuthority)
+                .map(Role::of)
                 .collect(Collectors.toSet());
 
         final Set<Role> rolesOnThis = getId() != null ? getLoginUserDirectRolesFor(dto.getClass(), getId()) : EMPTY_SET;
@@ -93,14 +98,10 @@ abstract class JSonAccessFilter<T extends AccessMappings> {
     }
 
     private Set<Role> getLoginUserDirectRolesFor(final Class<?> dtoClass, final long id) {
-        if (!SecurityUtils.isAuthenticated()) {
+        verify(SecurityUtils.isAuthenticated());
-            return emptySet();
-        }
 
         final EntityTypeId entityTypeId = dtoClass.getAnnotation(EntityTypeId.class);
-        if (entityTypeId == null) {
+        verify(entityTypeId != null, "@" + EntityTypeId.class.getSimpleName() + " missing on " + dtoClass.getName());
-            return emptySet();
-        }
 
         return userRoleAssignmentService.getEffectiveRoleOfCurrentUser(entityTypeId.value(), id);
     }

src/main/java/org/hostsharing/hsadminng/service/accessfilter/JsonDeserializerWithAccessFilter.java

@@ -1,13 +1,6 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.accessfilter;
 
-import static com.google.common.base.Verify.verify;
-import static org.hostsharing.hsadminng.service.util.ReflectionUtil.unchecked;
-
-import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
-import org.hostsharing.hsadminng.service.util.ReflectionUtil;
-import org.hostsharing.hsadminng.web.rest.errors.BadRequestAlertException;
-
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.TreeNode;
 import com.fasterxml.jackson.databind.DeserializationContext;
@@ -15,9 +8,11 @@ import com.fasterxml.jackson.databind.JsonDeserializer;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.node.*;
 import com.google.common.base.Joiner;
-
 import org.apache.commons.lang3.NotImplementedException;
 import org.apache.commons.lang3.ObjectUtils;
+import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
+import org.hostsharing.hsadminng.service.util.ReflectionUtil;
+import org.hostsharing.hsadminng.web.rest.errors.BadRequestAlertException;
 import org.springframework.context.ApplicationContext;
 
 import java.lang.reflect.Field;
@@ -26,6 +21,9 @@ import java.time.LocalDate;
 import java.util.HashSet;
 import java.util.Set;
 
+import static com.google.common.base.Verify.verify;
+import static org.hostsharing.hsadminng.service.util.ReflectionUtil.unchecked;
+
 public abstract class JsonDeserializerWithAccessFilter<T extends AccessMappings> extends JsonDeserializer<T> {
 
     private final ApplicationContext ctx;
@@ -85,31 +83,30 @@ public abstract class JsonDeserializerWithAccessFilter<T extends AccessMappings>
 
     private Object readValueFromJSon(final TreeNode treeNode, final String fieldName, final Class<?> fieldClass) {
         // FIXME can be removed? final TreeNode fieldNode = treeNode.get(fieldName);
-        final TreeNode fieldNode = treeNode;
+        if (treeNode instanceof NullNode) {
-        if (fieldNode instanceof NullNode) {
             return null;
         }
-        if (fieldNode instanceof TextNode) {
+        if (treeNode instanceof TextNode) {
-            return ((TextNode) fieldNode).asText();
+            return ((TextNode) treeNode).asText();
         }
-        if (fieldNode instanceof IntNode) {
+        if (treeNode instanceof IntNode) {
-            return ((IntNode) fieldNode).asInt();
+            return ((IntNode) treeNode).asInt();
         }
-        if (fieldNode instanceof LongNode) {
+        if (treeNode instanceof LongNode) {
-            return ((LongNode) fieldNode).asLong();
+            return ((LongNode) treeNode).asLong();
         }
-        if (fieldNode instanceof DoubleNode) {
+        if (treeNode instanceof DoubleNode) {
             // TODO: we need to figure out, why DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS does not work
-            return ((DoubleNode) fieldNode).asDouble();
+            return ((DoubleNode) treeNode).asDouble();
         }
-        if (fieldNode instanceof ArrayNode && LocalDate.class.isAssignableFrom(fieldClass)) {
+        if (treeNode instanceof ArrayNode && LocalDate.class.isAssignableFrom(fieldClass)) {
             return LocalDate.of(
-                    ((ArrayNode) fieldNode).get(0).asInt(),
+                    ((ArrayNode) treeNode).get(0).asInt(),
-                    ((ArrayNode) fieldNode).get(1).asInt(),
+                    ((ArrayNode) treeNode).get(1).asInt(),
-                    ((ArrayNode) fieldNode).get(2).asInt());
+                    ((ArrayNode) treeNode).get(2).asInt());
         }
         throw new NotImplementedException(
-                "JSon node type not implemented: " + fieldNode.getClass() + " -> " + fieldName + ": " + fieldClass);
+                "JSon node type not implemented: " + treeNode.getClass() + " -> " + fieldName + ": " + fieldClass);
     }
 
     private void writeValueToDto(final T dto, final Field field, final Object value) {
@@ -223,25 +220,29 @@ public abstract class JsonDeserializerWithAccessFilter<T extends AccessMappings>
                     throw new BadRequestAlertException(
                             "Initialization of field " + toDisplay(field)
                                     + " prohibited for current user role(s): "
-                                    + Joiner.on("+").join(roles),
+                                    + asString(roles),
                             toDisplay(field),
                             "initializationProhibited");
                 } else {
                     throw new BadRequestAlertException(
                             "Referencing field " + toDisplay(field)
                                     + " prohibited for current user role(s): "
-                                    + Joiner.on("+").join(roles),
+                                    + asString(roles),
                             toDisplay(field),
                             "referencingProhibited");
                 }
             }
         }
 
+        private String asString(Set<Role> roles) {
+            return Joiner.on("+").join(roles.stream().map(Role::name).toArray());
+        }
+
         private void validateUpdateAccess(Field field, Set<Role> roles) {
             if (!Role.toBeIgnoredForUpdates(field) && !isAllowedToUpdate(getLoginUserRoles(), field)) {
                 throw new BadRequestAlertException(
                         "Update of field " + toDisplay(field) + " prohibited for current user role(s): "
-                                + Joiner.on("+").join(roles),
+                                + asString(roles),
                         toDisplay(field),
                         "updateProhibited");
             }

src/main/java/org/hostsharing/hsadminng/service/accessfilter/JsonSerializerWithAccessFilter.java

@@ -1,14 +1,12 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.accessfilter;
 
-import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
-import org.hostsharing.hsadminng.service.util.ReflectionUtil;
-
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.databind.JsonSerializer;
 import com.fasterxml.jackson.databind.SerializerProvider;
-
 import org.apache.commons.lang3.NotImplementedException;
+import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
+import org.hostsharing.hsadminng.service.util.ReflectionUtil;
 import org.springframework.context.ApplicationContext;
 
 import java.io.IOException;
@@ -131,7 +129,7 @@ public abstract class JsonSerializerWithAccessFilter<T extends AccessMappings> e
                     return true;
                 }
             }
-            return Role.ANYBODY.isAllowedToRead(field);
+            return ReflectionUtil.newInstance(Role.Anybody.class).isAllowedToRead(field); // TODO
         }
     }
 

src/main/java/org/hostsharing/hsadminng/service/accessfilter/Role.java

@@ -1,35 +1,128 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.accessfilter;
 
-import static com.google.common.base.Verify.verify;
+import org.apache.commons.lang3.ArrayUtils;
-
 import org.hostsharing.hsadminng.domain.Customer;
 import org.hostsharing.hsadminng.domain.User;
 import org.hostsharing.hsadminng.domain.UserRoleAssignment;
 import org.hostsharing.hsadminng.security.AuthoritiesConstants;
+import org.hostsharing.hsadminng.service.util.ReflectionUtil;
 
 import java.lang.reflect.Field;
-import java.util.Optional;
+import java.util.HashMap;
+import java.util.Map;
+
+import static com.google.common.base.Verify.verify;
+import static org.hostsharing.hsadminng.service.util.ReflectionUtil.initialize;
 
 /**
  * These enum values are used to specify the minimum role required to grant access to resources,
  * see usages of {@link AccessFor}.
- * also they can be assigned to users via {@link UserRoleAssignment}.
+ * Also they can be assigned to users via {@link UserRoleAssignment}.
  * Some of the concrete values make only sense in one of these contexts.
  * <p>
- * Further, there are two kinds of roles: independent and dependent.
+ * There are two kinds of roles: independent and dependent.
- * Independent roles like {@link #HOSTMASTER} are absolute roles which means unrelated to any concrete entity.
+ * Independent roles like {@link Hostmaster} are absolute roles which means unrelated to any concrete entity.
- * Dependent roles like {@link #CUSTOMER_CONTRACTUAL_CONTACT} are relative to a specific entity,
+ * Dependent roles like {@link CustomerContractualContact} are relative to a specific entity,
  * in this case to a specific {@link Customer}.
  * <p>
+ * <p>
+ * Separate classes are used to make it possible to use roles in Java annotations
+ * and also make it possible to have roles spread over multiple modules.
+ * </p>
  */
-/*
+public abstract class Role {
- * TODO: Maybe splitting it up into UserRole and RequiredRole would make it more clear?
+
- * And maybe instead of a level, we could then add the comprised roles in the constructor?
+    // TODO mhoennig: We need to make sure that the classes are loaded
- * This could also be a better way to express that the financial contact has no rights to
+    // and thus the static initializers were called
- * other users resources (see also ACTUAL_CUSTOMER_USER vs. ANY_CUSTOMER_USER).
+    // before these maps are used in production code.
- */
+    private static Map<Class<? extends Role>, Role> rolesByClass = new HashMap<>();
-public enum Role {
+    private static Map<String, Role> rolesByName = new HashMap<>();
+
+    private final String authority;
+    private final LazyRoles comprises;
+
+    Role() {
+        this.authority = AuthoritiesConstants.USER;
+        // noinspection unchecked
+        this.comprises = new LazyRoles();
+    }
+
+    @SafeVarargs
+    Role(final Class<? extends Role>... comprisedRoleClasses) {
+        this.authority = AuthoritiesConstants.USER;
+        // noinspection unchecked
+        this.comprises = new LazyRoles(comprisedRoleClasses);
+    }
+
+    @SafeVarargs
+    Role(final String authority, final Class<? extends Role>... comprisedRoleClasses) {
+        this.authority = authority;
+        // noinspection unchecked
+        this.comprises = new LazyRoles(comprisedRoleClasses);
+    }
+
+    public static Role of(final String authority) {
+        final Role role = rolesByName.get(authority);
+        verify(
+                role != null,
+                "unknown authority: %s, available authorities: ",
+                authority,
+                ArrayUtils.toString(rolesByName.keySet()));
+        return role;
+    }
+
+    public static <T extends Role> T of(final Class<T> roleClass) {
+        // prevent initialization and thus recursive call to `Role.of(...)` within `newInstance(...)`
+        final Class<T> initializedRoleClass = initialize(roleClass);
+        {
+            final T role = (T) rolesByClass.get(initializedRoleClass);
+            if (role != null) {
+                return role;
+            }
+        }
+        {
+            T newRole = (T) ReflectionUtil.newInstance(initializedRoleClass);
+            rolesByClass.put(initializedRoleClass, newRole);
+            rolesByName.put(newRole.name(), newRole);
+            return newRole;
+        }
+    }
+
+    @Override
+    public String toString() {
+        return getClass().getName() + "(" + name() + ")";
+    }
+
+    public abstract String name();
+
+    public static class IndependentRole extends Role {
+
+        @SafeVarargs
+        IndependentRole(final String authority, final Class<? extends Role>... comprisedRoleClasses) {
+            super(authority, comprisedRoleClasses);
+        }
+
+        public String name() {
+            return authority();
+        }
+    }
+
+    public static class DependentRole extends Role {
+
+        DependentRole() {
+        }
+
+        @SafeVarargs
+        DependentRole(final Class<? extends Role>... comprisedRoleClasses) {
+            super(AuthoritiesConstants.USER, comprisedRoleClasses);
+        }
+
+        public String name() {
+            return getClass().getSimpleName(); // TODO: decide if it's ok for use in the DB table
+        }
+    }
+
     /**
      * Default for access rights requirement. You can read it as: 'Nobody is allowed to ...'.
      * This is usually used for fields which are managed by hsadminNg itself.
@@ -37,31 +130,43 @@ public enum Role {
      * This role cannot be assigned to a user.
      * </p>
      */
-    NOBODY(0),
+    public static class Nobody extends DependentRole {
+
+        public static final Nobody ROLE = Role.of(Nobody.class);
+    }
 
     /**
      * Hostmasters are initialize/update/read and field which, except where NOBODY is allowed to.
-     * <p>
-     * This role can be assigned to a user via {@link User#setAuthorities}.
-     * </p>
      */
-    HOSTMASTER(1, AuthoritiesConstants.HOSTMASTER),
+    public static class Hostmaster extends IndependentRole {
 
         /**
-     * This role is for administrators, e.g. to create memberships and book shared and assets.
+         * Hostmasters role to be assigned to users via via {@link User#setAuthorities}.
-     * <p>
-     * This role can be assigned to a user via {@link User#setAuthorities}.
-     * </p>
          */
-    ADMIN(2, AuthoritiesConstants.ADMIN),
+        public static final Hostmaster ROLE = Role.of(Hostmaster.class);
 
-    /**
+        Hostmaster() {
-     * This role is for members of the support team.
+            super(AuthoritiesConstants.HOSTMASTER, Admin.class);
-     * <p>
+        }
-     * This role can be assigned to a user via {@link User#setAuthorities}.
+    }
-     * </p>
+
-     */
+    public static class Admin extends IndependentRole {
-    SUPPORTER(3, AuthoritiesConstants.SUPPORTER),
+
+        public static final Admin ROLE = Role.of(Admin.class);
+
+        Admin() {
+            super(AuthoritiesConstants.ADMIN, Supporter.class);
+        }
+    }
+
+    public static class Supporter extends IndependentRole {
+
+        public static final Supporter ROLE = Role.of(Supporter.class);
+
+        Supporter() {
+            super(AuthoritiesConstants.SUPPORTER, CustomerContractualContact.class);
+        }
+    }
 
     /**
      * This role is for contractual contacts of a customer, like a director of the company.
@@ -72,66 +177,76 @@ public enum Role {
      * This role can be assigned to a user via {@link UserRoleAssignment}.
      * </p>
      */
-    CUSTOMER_CONTRACTUAL_CONTACT(20),
+    public static class CustomerContractualContact extends DependentRole {
 
-    /**
+        public static final CustomerContractualContact ROLE = Role.of(CustomerContractualContact.class);
-     * This role is for financial contacts of a customer, e.g. for accessing billing data.
-     * <p>
-     * The financial contact only covers {@link Role#CUSTOMER_FINANCIAL_CONTACT}, {@link Role#ANY_CUSTOMER_CONTACT} and
-     * {@link Role#ANYBODY}, but not other <em>normal</em> user roles.
-     * </p>
-     * <p>
-     * This role can be assigned to a user via {@link UserRoleAssignment}.
-     * </p>
-     */
-    CUSTOMER_FINANCIAL_CONTACT(22) {
 
-        @Override
+        CustomerContractualContact() {
-        public boolean covers(final Role role) {
+            super(CustomerFinancialContact.class, CustomerTechnicalContact.class);
-            return role == CUSTOMER_FINANCIAL_CONTACT || role == ANY_CUSTOMER_CONTACT || role == ANYBODY;
+        }
     }
-    },
 
-    /**
+    public static class CustomerFinancialContact extends DependentRole {
-     * This role is for technical contacts of a customer.
-     * <p>
-     * This role can be assigned to a user via {@link UserRoleAssignment}.
-     * </p>
-     */
-    CUSTOMER_TECHNICAL_CONTACT(22),
 
-    /**
+        public static final CustomerFinancialContact ROLE = Role.of(CustomerFinancialContact.class);
-     * This meta-role is to specify that any kind of customer contact can get access to the resource.
-     * <p>
-     * It's only used to specify the required role and cannot be assigned to a user.
-     * </p>
-     */
-    ANY_CUSTOMER_CONTACT(29),
 
-    /**
+        CustomerFinancialContact() {
-     * Some user belonging to a customer without a more precise role.
+            super(AnyCustomerContact.class);
-     */
+        }
-    // TODO: It's mostly a placeholder for more precise future roles like a "webspace admin".
+    }
-    // This also shows that it's a bit ugly that we need the roles of all modules in this enum
-    // because types for attributes of annotations are quite limited in Java.
-    ACTUAL_CUSTOMER_USER(80),
 
-    /**
+    public static class CustomerTechnicalContact extends DependentRole {
-     * Use this to grant rights to any user, also special function users who have no
+
-     * rights on other users resources.
+        public static final CustomerTechnicalContact ROLE = Role.of(CustomerTechnicalContact.class);
-     * <p>
+
-     * It's only used to specify the required role and cannot be assigned to a user.
+        CustomerTechnicalContact() {
-     * </p>
+            super(
-     */
+                  AnyCustomerContact.class,
-    ANY_CUSTOMER_USER(89),
+                  AnyCustomerUser.class); // TODO mhoennig: how to add roles of other modules?
+        }
+    }
+
+    public static class AnyCustomerContact extends DependentRole {
+
+        public static final AnyCustomerContact ROLE = Role.of(AnyCustomerContact.class);
+
+        AnyCustomerContact() {
+            super(Anybody.class);
+        }
+    }
+
+    public static class ActualCustomerUser extends DependentRole {
+
+        public static final ActualCustomerUser ROLE = Role.of(ActualCustomerUser.class);
+
+        ActualCustomerUser() {
+            super(AnyCustomerUser.class);
+        }
+    }
+
+    public static class AnyCustomerUser extends DependentRole {
+
+        public static final Role ROLE = Role.of(AnyCustomerUser.class);
+
+        AnyCustomerUser() {
+            super(Anybody.class);
+        }
+    }
 
     /**
      * This role is meant to specify that a resources can be accessed by anybody, even without login.
      * <p>
-     * It can be used to specify the required role and is the implicit role for un-authenticated users.
+     * It can be used to specify to grant rights to any use, even if unauthorized.
      * </p>
      */
-    ANYBODY(99, AuthoritiesConstants.ANONYMOUS),
+    public static class Anybody extends IndependentRole {
+
+        public static final Role ROLE = Role.of(Anybody.class);
+
+        Anybody() {
+            super(AuthoritiesConstants.ANONYMOUS);
+        }
+    }
 
     /**
      * Pseudo-role to mark init/update access as ignored because the field is display-only.
@@ -139,27 +254,12 @@ public enum Role {
      * This allows REST clients to send the whole response back as a new update request.
      * This role is not covered by any and covers itself no role.
      * <p>
-     * It's only used to specify the required role and cannot be assigned to a user.
+     * It's only used to ignore the field.
      * </p>
      */
-    IGNORED;
+    public static class Ignored extends DependentRole {
 
-    private final Integer level;
+        public static final Role ROLE = Role.of(Ignored.class);
-    private final Optional<String> authority;
-
-    Role(final int level, final String authority) {
-        this.level = level;
-        this.authority = Optional.of(authority);
-    }
-
-    Role(final int level) {
-        this.level = level;
-        this.authority = Optional.empty();
-    }
-
-    Role() {
-        this.level = null;
-        this.authority = Optional.empty();
     }
 
     /**
@@ -171,32 +271,25 @@ public enum Role {
         if (accessForAnnot == null) {
             return true;
         }
-        final Role[] updateAccessFor = field.getAnnotation(AccessFor.class).update();
+        final Class<? extends Role>[] updateAccessFor = field.getAnnotation(AccessFor.class).update();
-        return updateAccessFor.length == 1 && updateAccessFor[0].isIgnored();
+        return updateAccessFor.length == 1 && updateAccessFor[0] == Ignored.class;
     }
 
     /**
      * @return the independent authority related 1:1 to this Role or empty if no independent authority is related 1:1
      * @see AuthoritiesConstants
      */
-    public Optional<String> getAuthority() {
+    public String authority() {
         return authority;
     }
 
-    /**
-     * @return true if the role is the IGNORED role
-     */
-    public boolean isIgnored() {
-        return this == Role.IGNORED;
-    }
-
     /**
      * @return the role with the broadest access rights
      */
     public static Role broadest(final Role role, final Role... roles) {
         Role broadests = role;
         for (Role r : roles) {
-            if (r.covers(broadests)) {
+            if (r.covers(broadests.getClass())) {
                 broadests = r;
             }
         }
@@ -209,17 +302,25 @@ public enum Role {
      * Where 'this' means the Java instance itself as a role of a system user.
      * <p>
      * {@code
-     * Role.HOSTMASTER.covers(Role.ANY_CUSTOMER_USER) == true
+     * AssignedHostmaster.ROLE.covers(AssignedRole.ANY_CUSTOMER_USER) == true
      * }
      *
-     * @param role The required role for a resource.
+     * @param roleClass The required role for a resource.
      * @return whether this role comprises the given role
      */
-    public boolean covers(final Role role) {
+    public boolean covers(final Class<? extends Role> roleClass) {
-        if (this.isIgnored() || role.isIgnored()) {
+        if (getClass() == Ignored.class || roleClass == Ignored.class) {
             return false;
         }
-        return this == role || this.level < role.level;
+        if (getClass() == roleClass) {
+            return true;
+        }
+        for (Role role : comprises.get()) {
+            if (role.covers(roleClass)) {
+                return true;
+            }
+        }
+        return false;
     }
 
     /**
@@ -228,17 +329,17 @@ public enum Role {
      * Where 'this' means the Java instance itself as a role of a system user.
      * <p>
      * {@code
-     * Role.HOSTMASTER.coversAny(Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT) == true
+     * AssignedHostmaster.ROLE.coversAny(AssignedRole.CUSTOMER_CONTRACTUAL_CONTACT, AssignedRole.CUSTOMER_FINANCIAL_CONTACT) == true
      * }
      *
-     * @param roles The alternatively required roles for a resource. Must be at least one.
+     * @param roleClasses The alternatively required roles for a resource. Must be at least one.
      * @return whether this role comprises any of the given roles
      */
-    public boolean coversAny(final Role... roles) {
+    public boolean coversAny(final Class<? extends Role>... roleClasses) {
-        verify(roles != null && roles.length > 0, "roles expected");
+        verify(roleClasses != null && roleClasses.length > 0, "role classes expected");
 
-        for (Role role : roles) {
+        for (Class<? extends Role> roleClass : roleClasses) {
-            if (this.covers(role)) {
+            if (this.covers(roleClass)) {
                 return true;
             }
         }
@@ -258,7 +359,7 @@ public enum Role {
             return false;
         }
 
-        return isRoleCovered(accessFor.init());
+        return coversAny(accessFor.init());
     }
 
     /**
@@ -274,7 +375,7 @@ public enum Role {
             return false;
         }
 
-        return isRoleCovered(accessFor.update());
+        return coversAny(accessFor.update());
     }
 
     /**
@@ -290,15 +391,26 @@ public enum Role {
             return false;
         }
 
-        return isRoleCovered(accessFor.read());
+        return coversAny(accessFor.read());
-    }
+    }
-
+}
-    private boolean isRoleCovered(final Role[] requiredRoles) {
+
-        for (Role accessAllowedForRole : requiredRoles) {
+class LazyRoles {
-            if (this.covers(accessAllowedForRole)) {
+
-                return true;
+    private final Class<? extends Role>[] comprisedRoleClasses;
-            }
+    private Role[] comprisedRoles = null;
-        }
+
-        return false;
+    LazyRoles(Class<? extends Role>... comprisedRoleClasses) {
+        this.comprisedRoleClasses = comprisedRoleClasses;
+    }
+
+    Role[] get() {
+        if (comprisedRoles == null) {
+            comprisedRoles = new Role[comprisedRoleClasses.length];
+            for (int n = 0; n < comprisedRoleClasses.length; ++n) {
+                comprisedRoles[n] = Role.of(comprisedRoleClasses[n]);
+            }
+        }
+        return comprisedRoles;
     }
 }

src/main/java/org/hostsharing/hsadminng/service/dto/AssetDTO.java

@@ -7,18 +7,17 @@ import org.hostsharing.hsadminng.service.AssetService;
 import org.hostsharing.hsadminng.service.MembershipService;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
 import org.hostsharing.hsadminng.service.accessfilter.*;
-
+import org.hostsharing.hsadminng.service.accessfilter.Role.*;
 import org.springframework.boot.jackson.JsonComponent;
 import org.springframework.context.ApplicationContext;
 
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
 import java.io.Serializable;
 import java.math.BigDecimal;
 import java.time.LocalDate;
 import java.util.Objects;
 
-import javax.validation.constraints.NotNull;
-import javax.validation.constraints.Size;
-
 /**
  * A DTO for the Asset entity.
  */
@@ -26,34 +25,34 @@ import javax.validation.constraints.Size;
 public class AssetDTO implements Serializable, AccessMappings {
 
     @SelfId(resolver = AssetService.class)
-    @AccessFor(read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private Long id;
 
     @NotNull
-    @AccessFor(init = Role.ADMIN, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(init = Admin.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private LocalDate documentDate;
 
     @NotNull
-    @AccessFor(init = Role.ADMIN, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(init = Admin.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private LocalDate valueDate;
 
     @NotNull
-    @AccessFor(init = Role.ADMIN, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(init = Admin.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private AssetAction action;
 
     @NotNull
-    @AccessFor(init = Role.ADMIN, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(init = Admin.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private BigDecimal amount;
 
     @Size(max = 160)
-    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = Role.SUPPORTER)
+    @AccessFor(init = Admin.class, update = Admin.class, read = Supporter.class)
     private String remark;
 
     @ParentId(resolver = MembershipService.class)
-    @AccessFor(init = Role.ADMIN, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(init = Admin.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private Long membershipId;
 
-    @AccessFor(update = Role.IGNORED, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(update = Ignored.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private String membershipDisplayLabel;
 
     public Long getId() {

src/main/java/org/hostsharing/hsadminng/service/dto/CustomerDTO.java

@@ -7,14 +7,14 @@ import org.hostsharing.hsadminng.domain.enumeration.VatRegion;
 import org.hostsharing.hsadminng.service.CustomerService;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
 import org.hostsharing.hsadminng.service.accessfilter.*;
-
 import org.springframework.boot.jackson.JsonComponent;
 import org.springframework.context.ApplicationContext;
 
+import javax.validation.constraints.*;
 import java.time.LocalDate;
 import java.util.Objects;
 
-import javax.validation.constraints.*;
+import static org.hostsharing.hsadminng.service.accessfilter.Role.*;
 
 /**
  * A DTO for the Customer entity.
@@ -23,99 +23,99 @@ import javax.validation.constraints.*;
 public class CustomerDTO implements AccessMappings, FluentBuilder<CustomerDTO> {
 
     @SelfId(resolver = CustomerService.class)
-    @AccessFor(read = Role.ANY_CUSTOMER_USER)
+    @AccessFor(read = AnyCustomerUser.class)
     private Long id;
 
     @NotNull
     @Min(value = 10000)
     @Max(value = 99999)
-    @AccessFor(init = Role.ADMIN, read = Role.ANY_CUSTOMER_USER)
+    @AccessFor(init = Admin.class, read = AnyCustomerUser.class)
     private Integer reference;
 
     @NotNull
     @Size(max = 3)
     @Pattern(regexp = "[a-z][a-z0-9]+")
-    @AccessFor(init = Role.ADMIN, read = Role.ANY_CUSTOMER_USER)
+    @AccessFor(init = Admin.class, read = AnyCustomerUser.class)
     private String prefix;
 
     @NotNull
     @Size(max = 80)
-    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = Role.ANY_CUSTOMER_USER)
+    @AccessFor(init = Admin.class, update = Admin.class, read = AnyCustomerUser.class)
     private String name;
 
     @NotNull
-    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = Role.CUSTOMER_CONTRACTUAL_CONTACT)
+    @AccessFor(init = Admin.class, update = Admin.class, read = CustomerContractualContact.class)
     private CustomerKind kind;
 
     @AccessFor(
-            init = Role.ADMIN,
+            init = Admin.class,
-            update = Role.ADMIN,
+            update = Admin.class,
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private LocalDate birthDate;
 
     @Size(max = 80)
     @AccessFor(
-            init = Role.ADMIN,
+            init = Admin.class,
-            update = Role.ADMIN,
+            update = Admin.class,
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private String birthPlace;
 
     @Size(max = 80)
     @AccessFor(
-            init = Role.ADMIN,
+            init = Admin.class,
-            update = Role.ADMIN,
+            update = Admin.class,
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private String registrationCourt;
 
     @Size(max = 80)
     @AccessFor(
-            init = Role.ADMIN,
+            init = Admin.class,
-            update = Role.ADMIN,
+            update = Admin.class,
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private String registrationNumber;
 
     @NotNull
     @AccessFor(
-            init = Role.ADMIN,
+            init = Admin.class,
-            update = Role.ADMIN,
+            update = Admin.class,
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private VatRegion vatRegion;
 
     @Size(max = 40)
     @AccessFor(
-            init = Role.ADMIN,
+            init = Admin.class,
-            update = Role.ADMIN,
+            update = Admin.class,
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private String vatNumber;
 
     @Size(max = 80)
-    @AccessFor(init = Role.ADMIN, update = Role.CUSTOMER_CONTRACTUAL_CONTACT, read = Role.CUSTOMER_CONTRACTUAL_CONTACT)
+    @AccessFor(init = Admin.class, update = CustomerContractualContact.class, read = CustomerContractualContact.class)
     private String contractualSalutation;
 
     @NotNull
     @Size(max = 400)
-    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = Role.CUSTOMER_CONTRACTUAL_CONTACT)
+    @AccessFor(init = Admin.class, update = Admin.class, read = CustomerContractualContact.class)
     private String contractualAddress;
 
     @Size(max = 80)
     @AccessFor(
-            init = Role.ADMIN,
+            init = Admin.class,
-            update = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT },
+            update = { CustomerContractualContact.class, CustomerFinancialContact.class },
-            read = Role.CUSTOMER_CONTRACTUAL_CONTACT)
+            read = CustomerContractualContact.class)
     private String billingSalutation;
 
     @Size(max = 400)
     @AccessFor(
-            init = Role.ADMIN,
+            init = Admin.class,
-            update = Role.ADMIN,
+            update = Admin.class,
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private String billingAddress;
 
     @Size(max = 160)
-    @AccessFor(init = Role.ADMIN, update = Role.SUPPORTER, read = Role.SUPPORTER)
+    @AccessFor(init = Admin.class, update = Supporter.class, read = Supporter.class)
     private String remark;
 
-    @AccessFor(init = Role.ANYBODY, update = Role.ANYBODY, read = Role.ANY_CUSTOMER_USER)
+    @AccessFor(init = Anybody.class, update = Anybody.class, read = AnyCustomerUser.class)
     private String displayLabel;
 
     public Long getId() {

src/main/java/org/hostsharing/hsadminng/service/dto/MembershipDTO.java

@@ -6,15 +6,14 @@ import org.hostsharing.hsadminng.service.CustomerService;
 import org.hostsharing.hsadminng.service.MembershipService;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
 import org.hostsharing.hsadminng.service.accessfilter.*;
-
+import org.hostsharing.hsadminng.service.accessfilter.Role.*;
 import org.springframework.boot.jackson.JsonComponent;
 import org.springframework.context.ApplicationContext;
 
-import java.time.LocalDate;
-import java.util.Objects;
-
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Size;
+import java.time.LocalDate;
+import java.util.Objects;
 
 /**
  * A DTO for the Membership entity.
@@ -23,44 +22,44 @@ import javax.validation.constraints.Size;
 public class MembershipDTO implements AccessMappings, FluentBuilder<MembershipDTO> {
 
     @SelfId(resolver = MembershipService.class)
-    @AccessFor(read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private Long id;
 
     @NotNull
-    @AccessFor(init = Role.ADMIN, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(init = Admin.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private LocalDate admissionDocumentDate;
 
     @AccessFor(
-            init = Role.ADMIN,
+            init = Admin.class,
-            update = Role.ADMIN,
+            update = Admin.class,
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private LocalDate cancellationDocumentDate;
 
     @NotNull
-    @AccessFor(init = Role.ADMIN, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(init = Admin.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private LocalDate memberFromDate;
 
     @AccessFor(
-            init = Role.ADMIN,
+            init = Admin.class,
-            update = Role.ADMIN,
+            update = Admin.class,
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private LocalDate memberUntilDate;
 
     @Size(max = 160)
-    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = Role.SUPPORTER)
+    @AccessFor(init = Admin.class, update = Admin.class, read = Supporter.class)
     private String remark;
 
     @ParentId(resolver = CustomerService.class)
-    @AccessFor(init = Role.ADMIN, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(init = Admin.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private Long customerId;
 
-    @AccessFor(update = Role.IGNORED, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(update = Ignored.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private String customerPrefix;
 
-    @AccessFor(update = Role.IGNORED, read = Role.CUSTOMER_FINANCIAL_CONTACT)
+    @AccessFor(update = Ignored.class, read = CustomerFinancialContact.class)
     private String customerDisplayLabel;
 
-    @AccessFor(update = Role.IGNORED, read = Role.CUSTOMER_FINANCIAL_CONTACT)
+    @AccessFor(update = Ignored.class, read = CustomerFinancialContact.class)
     private String displayLabel;
 
     public Long getId() {

src/main/java/org/hostsharing/hsadminng/service/dto/SepaMandateDTO.java

@@ -6,15 +6,14 @@ import org.hostsharing.hsadminng.service.CustomerService;
 import org.hostsharing.hsadminng.service.SepaMandateService;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
 import org.hostsharing.hsadminng.service.accessfilter.*;
-
+import org.hostsharing.hsadminng.service.accessfilter.Role.*;
 import org.springframework.boot.jackson.JsonComponent;
 import org.springframework.context.ApplicationContext;
 
-import java.time.LocalDate;
-import java.util.Objects;
-
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Size;
+import java.time.LocalDate;
+import java.util.Objects;
 
 /**
  * A DTO for the SepaMandate entity.
@@ -23,69 +22,69 @@ import javax.validation.constraints.Size;
 public class SepaMandateDTO implements AccessMappings, FluentBuilder<SepaMandateDTO> {
 
     @SelfId(resolver = SepaMandateService.class)
-    @AccessFor(read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private Long id;
 
     @NotNull
     @Size(max = 40)
     @AccessFor(
-            init = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT },
+            init = { CustomerContractualContact.class, CustomerFinancialContact.class },
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private String reference;
 
     @Size(max = 34)
     @AccessFor(
-            init = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT },
+            init = { CustomerContractualContact.class, CustomerFinancialContact.class },
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private String iban;
 
     @Size(max = 11)
     @AccessFor(
-            init = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT },
+            init = { CustomerContractualContact.class, CustomerFinancialContact.class },
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private String bic;
 
     @NotNull
     @AccessFor(
-            init = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT },
+            init = { CustomerContractualContact.class, CustomerFinancialContact.class },
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private LocalDate grantingDocumentDate;
 
     @AccessFor(
-            init = Role.ADMIN,
+            init = Admin.class,
-            update = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT },
+            update = { CustomerContractualContact.class, CustomerFinancialContact.class },
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private LocalDate revokationDocumentDate;
 
     @NotNull
     @AccessFor(
-            init = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT },
+            init = { CustomerContractualContact.class, CustomerFinancialContact.class },
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private LocalDate validFromDate;
 
     @AccessFor(
-            init = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT },
+            init = { CustomerContractualContact.class, CustomerFinancialContact.class },
-            update = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT },
+            update = { CustomerContractualContact.class, CustomerFinancialContact.class },
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private LocalDate validUntilDate;
 
     @AccessFor(
-            init = Role.ADMIN,
+            init = Admin.class,
-            update = Role.ADMIN,
+            update = Admin.class,
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private LocalDate lastUsedDate;
 
     @Size(max = 160)
-    @AccessFor(init = Role.ADMIN, update = Role.SUPPORTER, read = Role.SUPPORTER)
+    @AccessFor(init = Admin.class, update = Supporter.class, read = Supporter.class)
     private String remark;
 
     @ParentId(resolver = CustomerService.class)
     @AccessFor(
-            init = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT },
+            init = { CustomerContractualContact.class, CustomerFinancialContact.class },
-            read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+            read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private Long customerId;
 
-    @AccessFor(update = Role.IGNORED, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(update = Ignored.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private String customerDisplayLabel;
 
     public Long getId() {

src/main/java/org/hostsharing/hsadminng/service/dto/ShareDTO.java

@@ -7,17 +7,16 @@ import org.hostsharing.hsadminng.service.MembershipService;
 import org.hostsharing.hsadminng.service.ShareService;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
 import org.hostsharing.hsadminng.service.accessfilter.*;
-
+import org.hostsharing.hsadminng.service.accessfilter.Role.*;
 import org.springframework.boot.jackson.JsonComponent;
 import org.springframework.context.ApplicationContext;
 
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
 import java.io.Serializable;
 import java.time.LocalDate;
 import java.util.Objects;
 
-import javax.validation.constraints.NotNull;
-import javax.validation.constraints.Size;
-
 /**
  * A DTO for the Share entity.
  */
@@ -25,34 +24,34 @@ import javax.validation.constraints.Size;
 public class ShareDTO implements Serializable, AccessMappings {
 
     @SelfId(resolver = ShareService.class)
-    @AccessFor(read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private Long id;
 
     @NotNull
-    @AccessFor(init = Role.ADMIN, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(init = Admin.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private LocalDate documentDate;
 
     @NotNull
-    @AccessFor(init = Role.ADMIN, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(init = Admin.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private LocalDate valueDate;
 
     @NotNull
-    @AccessFor(init = Role.ADMIN, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(init = Admin.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private ShareAction action;
 
     @NotNull
-    @AccessFor(init = Role.ADMIN, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(init = Admin.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private Integer quantity;
 
     @Size(max = 160)
-    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = Role.SUPPORTER)
+    @AccessFor(init = Admin.class, update = Admin.class, read = Supporter.class)
     private String remark;
 
     @ParentId(resolver = MembershipService.class)
-    @AccessFor(init = Role.ADMIN, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(init = Admin.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private Long membershipId;
 
-    @AccessFor(update = Role.IGNORED, read = { Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT })
+    @AccessFor(update = Ignored.class, read = { CustomerContractualContact.class, CustomerFinancialContact.class })
     private String membershipDisplayLabel;
 
     public Long getId() {

src/main/java/org/hostsharing/hsadminng/service/dto/UserRoleAssignmentCriteria.java

@@ -1,8 +1,6 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.dto;
 
-import org.hostsharing.hsadminng.service.accessfilter.Role;
-
 import io.github.jhipster.service.filter.Filter;
 import io.github.jhipster.service.filter.LongFilter;
 import io.github.jhipster.service.filter.StringFilter;
@@ -23,7 +21,7 @@ public class UserRoleAssignmentCriteria implements Serializable {
     /**
      * Class for filtering UserRole
      */
-    public static class UserRoleFilter extends Filter<Role> {
+    private static class UserRoleFilter extends Filter<String> {
     }
 
     private static final long serialVersionUID = 1L;

src/main/java/org/hostsharing/hsadminng/service/util/ReflectionUtil.java

@@ -1,9 +1,14 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.util;
 
+import org.hostsharing.hsadminng.service.accessfilter.Role;
+
+import java.lang.reflect.AccessibleObject;
 import java.lang.reflect.Field;
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
+import java.util.Optional;
+import java.util.function.Function;
 
 public class ReflectionUtil {
 
@@ -131,12 +136,32 @@ public class ReflectionUtil {
         return Enum.valueOf((Class<E>) type, value.toString());
     }
 
+    public static Role newInstance(final Class<? extends Role> clazz) {
+        return unchecked(() -> accessible(clazz.getDeclaredConstructor()).newInstance());
+    }
+
     @FunctionalInterface
     public interface ThrowingSupplier<T> {
 
         T get() throws Exception;
     }
 
+    /**
+     * Makes the given object accessible as if it were public.
+     *
+     * @param accessible field or method
+     * @param <T> type of accessible
+     * @return the given object
+     */
+    private static <T extends AccessibleObject> T accessible(final T accessible) {
+        try {
+            accessible.setAccessible(true);
+            return accessible;
+        } catch (final Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     /**
      * Catches checked exceptions and wraps these into an unchecked RuntimeException.
      * <p>
@@ -159,4 +184,35 @@ public class ReflectionUtil {
             throw new RuntimeException(e);
         }
     }
+
+    /**
+     * Calling a method on a potentially null object. Similar to the ?: operator in Kotlin.
+     *
+     * @param source some object of type T
+     * @param f some function mapping T to R
+     * @param <T> the source type
+     * @param <R> the result type
+     * @return the result of f if source is not null, null otherwise
+     */
+    public static <T, R> R of(T source, Function<T, R> f) {
+        return Optional.ofNullable(source).map(f).orElse(null);
+    }
+
+    /**
+     * Forces the initialization of the given class, this means, static initialization takes place.
+     *
+     * If the class is already initialized, this methods does nothing.
+     *
+     * @param clazz the class to be initialized
+     * @return the initialized class
+     * 
+     */
+    public static <T> Class<T> initialize(Class<T> clazz) {
+        try {
+            Class.forName(clazz.getName(), true, clazz.getClassLoader());
+        } catch (ClassNotFoundException e) {
+            throw new AssertionError(e); // Can't happen
+        }
+        return clazz;
+    }
 }

src/main/webapp/app/entities/user-role-assignment/user-role-assignment.component.html

@@ -30,7 +30,7 @@
                 <th style="width: 10%">
                     <select class="form-control" [(ngModel)]="filter.criteria.assignedRole" (change)="filter.trigger($event)">
                         <option value=""></option>
-                        <option value="HOSTMASTER" jhiTranslate="{{'hsadminNgApp.UserRole.HOSTMASTER'}}">HOSTMASTER</option>
+                        <option value="HOSTMASTER" jhiTranslate="{{'hsadminNgApp.UserHostmaster.ROLE'}}">HOSTMASTER</option>
                         <option value="ADMIN" jhiTranslate="{{'hsadminNgApp.UserRole.ADMIN'}}">ADMIN</option>
                         <option value="SUPPORTER" jhiTranslate="{{'hsadminNgApp.UserRole.SUPPORTER'}}">SUPPORTER</option>
                         <option value="CONTRACTUAL_CONTACT" jhiTranslate="{{'hsadminNgApp.UserRole.CUSTOMER_CONTRACTUAL_CONTACT'}}">CONTRACTUAL_CONTACT</option>

src/test/java/org/hostsharing/hsadminng/service/UserRoleAssignmentServiceUnitTest.java

@@ -1,17 +1,14 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service;
 
-import static org.assertj.core.api.Assertions.assertThat;
+import com.google.common.base.VerifyException;
-import static org.assertj.core.api.Assertions.catchThrowable;
-import static org.mockito.BDDMockito.given;
-
 import org.hostsharing.hsadminng.domain.UserRoleAssignment;
 import org.hostsharing.hsadminng.repository.UserRoleAssignmentRepository;
 import org.hostsharing.hsadminng.service.accessfilter.Role;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerContractualContact;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerFinancialContact;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerTechnicalContact;
 import org.hostsharing.hsadminng.service.accessfilter.SecurityContextFake;
-
-import com.google.common.base.VerifyException;
-
 import org.junit.Rule;
 import org.junit.Test;
 import org.mockito.InjectMocks;
@@ -22,6 +19,10 @@ import org.mockito.junit.MockitoRule;
 import java.util.Arrays;
 import java.util.Set;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.catchThrowable;
+import static org.mockito.BDDMockito.given;
+
 public class UserRoleAssignmentServiceUnitTest {
 
     @Rule
@@ -65,23 +66,24 @@ public class UserRoleAssignmentServiceUnitTest {
                 Arrays.asList(
                         new UserRoleAssignment().entityTypeId("test.SomethingElse")
                                 .entityObjectId(givenEntityObjectId)
-                                .assignedRole(Role.CUSTOMER_CONTRACTUAL_CONTACT),
+                                .assignedRole(CustomerContractualContact.ROLE),
                         new UserRoleAssignment().entityTypeId(givenEntityTypeId)
                                 .entityObjectId(givenEntityObjectId)
-                                .assignedRole(Role.CUSTOMER_FINANCIAL_CONTACT),
+                                .assignedRole(CustomerFinancialContact.ROLE),
                         new UserRoleAssignment().entityTypeId(givenEntityTypeId)
                                 .entityObjectId(givenEntityObjectId)
-                                .assignedRole(Role.CUSTOMER_TECHNICAL_CONTACT),
+                                .assignedRole(CustomerTechnicalContact.ROLE),
                         new UserRoleAssignment().entityTypeId(givenEntityTypeId)
                                 .entityObjectId(3L)
-                                .assignedRole(Role.CUSTOMER_CONTRACTUAL_CONTACT)));
+                                .assignedRole(CustomerContractualContact.ROLE)));
 
         // when
         final Set<Role> actual = userRoleAssignmentService
                 .getEffectiveRoleOfCurrentUser(givenEntityTypeId, givenEntityObjectId);
 
         // then
-        assertThat(actual).containsExactlyInAnyOrder(Role.CUSTOMER_FINANCIAL_CONTACT, Role.CUSTOMER_TECHNICAL_CONTACT);
+        assertThat(actual)
+                .containsExactlyInAnyOrder(Role.of(CustomerFinancialContact.class), Role.of(CustomerTechnicalContact.class));
     }
 
     @Test

src/test/java/org/hostsharing/hsadminng/service/accessfilter/JSonAccessFilterTest.java

@@ -0,0 +1,33 @@
+// Licensed under Apache-2.0
+package org.hostsharing.hsadminng.service.accessfilter;
+
+import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
+import org.junit.Test;
+import org.mockito.Mock;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class JSonAccessFilterTest {
+
+    @Mock
+    private UserRoleAssignmentService userRoleAssignmentService;
+
+    @Test
+    public void getLoginUserRoles() {
+        SecurityContextFake.havingUnauthenticatedUser();
+        new JSonAccessFilter<TestEntity>(null, userRoleAssignmentService, new TestEntity()) {
+
+            {
+                assertThat(this.getLoginUserRoles()).hasSize(0);
+            }
+        };
+    }
+
+    private static class TestEntity implements AccessMappings {
+
+        @Override
+        public Long getId() {
+            return null;
+        }
+    }
+}

src/test/java/org/hostsharing/hsadminng/service/accessfilter/JSonAccessFilterTestFixture.java

@@ -1,17 +1,16 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.accessfilter;
 
-import static org.hostsharing.hsadminng.service.accessfilter.Role.*;
+import org.apache.commons.lang3.RandomStringUtils;
-
+import org.apache.commons.lang3.RandomUtils;
 import org.hostsharing.hsadminng.service.IdToDtoResolver;
 import org.hostsharing.hsadminng.service.dto.FluentBuilder;
 
-import org.apache.commons.lang3.RandomStringUtils;
-import org.apache.commons.lang3.RandomUtils;
-
 import java.math.BigDecimal;
 import java.time.LocalDate;
 
+import static org.hostsharing.hsadminng.service.accessfilter.Role.*;
+
 public class JSonAccessFilterTestFixture {
 
     static GivenDto createSampleDto() {
@@ -37,10 +36,10 @@ public class JSonAccessFilterTestFixture {
     static class GivenCustomerDto implements FluentBuilder<GivenCustomerDto> {
 
         @SelfId(resolver = GivenService.class)
-        @AccessFor(read = ANYBODY)
+        @AccessFor(read = Anybody.class)
         Long id;
 
-        @AccessFor(update = IGNORED, read = ANYBODY)
+        @AccessFor(update = Ignored.class, read = Anybody.class)
         String displayLabel;
 
     }
@@ -52,62 +51,62 @@ public class JSonAccessFilterTestFixture {
     static class GivenDto implements AccessMappings, FluentBuilder<GivenDto> {
 
         @SelfId(resolver = GivenService.class)
-        @AccessFor(read = ANYBODY)
+        @AccessFor(read = Anybody.class)
         Long id;
 
         @ParentId(resolver = GivenCustomerService.class)
-        @AccessFor(init = ANY_CUSTOMER_USER, update = ANY_CUSTOMER_USER, read = ANY_CUSTOMER_USER)
+        @AccessFor(init = AnyCustomerUser.class, update = AnyCustomerUser.class, read = AnyCustomerUser.class)
         Long customerId;
 
         @AccessFor(
-                init = { CUSTOMER_TECHNICAL_CONTACT, CUSTOMER_FINANCIAL_CONTACT },
+                init = { CustomerTechnicalContact.class, CustomerFinancialContact.class },
-                update = { CUSTOMER_TECHNICAL_CONTACT, CUSTOMER_FINANCIAL_CONTACT },
+                update = { CustomerTechnicalContact.class, CustomerFinancialContact.class },
-                read = { CUSTOMER_TECHNICAL_CONTACT, CUSTOMER_FINANCIAL_CONTACT })
+                read = { CustomerTechnicalContact.class, CustomerFinancialContact.class })
         String restrictedField;
 
-        @AccessFor(init = ANYBODY, update = ANYBODY, read = ANYBODY)
+        @AccessFor(init = Anybody.class, update = Anybody.class, read = Anybody.class)
         String openStringField;
 
-        @AccessFor(init = ANYBODY, update = ANYBODY, read = ANYBODY)
+        @AccessFor(init = Anybody.class, update = Anybody.class, read = Anybody.class)
         Integer openIntegerField;
 
-        @AccessFor(init = ANYBODY, update = ANYBODY, read = ANYBODY)
+        @AccessFor(init = Anybody.class, update = Anybody.class, read = Anybody.class)
         int openPrimitiveIntField;
 
-        @AccessFor(init = ANYBODY, update = ANYBODY, read = ANYBODY)
+        @AccessFor(init = Anybody.class, update = Anybody.class, read = Anybody.class)
         Long openLongField;
 
-        @AccessFor(init = ANYBODY, update = ANYBODY, read = ANYBODY)
+        @AccessFor(init = Anybody.class, update = Anybody.class, read = Anybody.class)
         long openPrimitiveLongField;
 
-        @AccessFor(init = ANYBODY, update = ANYBODY, read = ANYBODY)
+        @AccessFor(init = Anybody.class, update = Anybody.class, read = Anybody.class)
         Boolean openBooleanField;
 
-        @AccessFor(read = ANYBODY)
+        @AccessFor(read = Anybody.class)
         boolean openPrimitiveBooleanField;
 
-        @AccessFor(init = ANYBODY, update = ANYBODY, read = ANYBODY)
+        @AccessFor(init = Anybody.class, update = Anybody.class, read = Anybody.class)
         LocalDate openLocalDateField;
         transient String openLocalDateFieldAsString;
 
-        @AccessFor(init = ANYBODY, update = ANYBODY, read = ANYBODY)
+        @AccessFor(init = Anybody.class, update = Anybody.class, read = Anybody.class)
         LocalDate openLocalDateField2;
         transient String openLocalDateField2AsString;
 
-        @AccessFor(init = ANYBODY, update = ANYBODY, read = ANYBODY)
+        @AccessFor(init = Anybody.class, update = Anybody.class, read = Anybody.class)
         TestEnum openEnumField;
         transient String openEnumFieldAsString;
 
-        @AccessFor(init = ANYBODY, update = ANYBODY, read = ANYBODY)
+        @AccessFor(init = Anybody.class, update = Anybody.class, read = Anybody.class)
         BigDecimal openBigDecimalField;
 
-        @AccessFor(init = SUPPORTER, update = SUPPORTER, read = SUPPORTER)
+        @AccessFor(init = Supporter.class, update = Supporter.class, read = Supporter.class)
         BigDecimal restrictedBigDecimalField;
 
-        @AccessFor(init = ANYBODY, update = ANYBODY, read = ANYBODY)
+        @AccessFor(init = Anybody.class, update = Anybody.class, read = Anybody.class)
         int[] openArrayField;
 
-        @AccessFor(init = IGNORED, update = IGNORED, read = ANYBODY)
+        @AccessFor(init = Ignored.class, update = Ignored.class, read = Anybody.class)
         String displayLabel;
 
         @Override
@@ -130,21 +129,21 @@ public class JSonAccessFilterTestFixture {
     public static class GivenChildDto implements AccessMappings, FluentBuilder<GivenChildDto> {
 
         @SelfId(resolver = GivenChildService.class)
-        @AccessFor(read = Role.ANY_CUSTOMER_USER)
+        @AccessFor(read = AnyCustomerUser.class)
         Long id;
 
         @AccessFor(
-                init = Role.CUSTOMER_CONTRACTUAL_CONTACT,
+                init = CustomerContractualContact.class,
-                update = Role.CUSTOMER_CONTRACTUAL_CONTACT,
+                update = CustomerContractualContact.class,
-                read = ANY_CUSTOMER_USER)
+                read = AnyCustomerUser.class)
         @ParentId(resolver = GivenService.class)
         Long parentId;
 
         @AccessFor(
-                init = { CUSTOMER_TECHNICAL_CONTACT, CUSTOMER_FINANCIAL_CONTACT },
+                init = { CustomerTechnicalContact.class, CustomerFinancialContact.class },
                 update = {
-                        CUSTOMER_TECHNICAL_CONTACT,
+                        CustomerTechnicalContact.class,
-                        CUSTOMER_FINANCIAL_CONTACT })
+                        CustomerFinancialContact.class })
         String restrictedField;
 
         @Override
@@ -156,11 +155,11 @@ public class JSonAccessFilterTestFixture {
     public static class GivenDtoWithMultipleSelfId implements AccessMappings {
 
         @SelfId(resolver = GivenChildService.class)
-        @AccessFor(read = Role.ANY_CUSTOMER_USER)
+        @AccessFor(read = AnyCustomerUser.class)
         Long id;
 
         @SelfId(resolver = GivenChildService.class)
-        @AccessFor(read = Role.ANY_CUSTOMER_USER)
+        @AccessFor(read = AnyCustomerUser.class)
         Long id2;
 
         @Override
@@ -172,10 +171,10 @@ public class JSonAccessFilterTestFixture {
     public static class GivenDtoWithUnknownFieldType implements AccessMappings {
 
         @SelfId(resolver = GivenChildService.class)
-        @AccessFor(read = Role.ANYBODY)
+        @AccessFor(read = Anybody.class)
         Long id;
 
-        @AccessFor(init = Role.ANYBODY, read = Role.ANYBODY)
+        @AccessFor(init = Anybody.class, read = Anybody.class)
         Arbitrary unknown;
 
         @Override
@@ -184,14 +183,14 @@ public class JSonAccessFilterTestFixture {
         }
     }
 
-    public static class Arbitrary {
+    static class Arbitrary {
     }
 
     @EntityTypeId("givenParent")
     public static class GivenParent implements AccessMappings, FluentBuilder<GivenParent> {
 
         @SelfId(resolver = GivenParentService.class)
-        @AccessFor(read = Role.ANY_CUSTOMER_USER)
+        @AccessFor(read = AnyCustomerUser.class)
         Long id;
 
         @Override
@@ -208,21 +207,21 @@ public class JSonAccessFilterTestFixture {
     public static class GivenChild implements AccessMappings, FluentBuilder<GivenChild> {
 
         @SelfId(resolver = GivenChildService.class)
-        @AccessFor(read = Role.ANY_CUSTOMER_USER)
+        @AccessFor(read = AnyCustomerUser.class)
         Long id;
 
         @AccessFor(
-                init = Role.CUSTOMER_CONTRACTUAL_CONTACT,
+                init = CustomerContractualContact.class,
-                update = Role.CUSTOMER_CONTRACTUAL_CONTACT,
+                update = CustomerContractualContact.class,
-                read = ANY_CUSTOMER_USER)
+                read = AnyCustomerUser.class)
         @ParentId(resolver = GivenParentService.class)
         GivenParent parent;
 
         @AccessFor(
-                init = { CUSTOMER_TECHNICAL_CONTACT, CUSTOMER_FINANCIAL_CONTACT },
+                init = { CustomerTechnicalContact.class, CustomerFinancialContact.class },
                 update = {
-                        CUSTOMER_TECHNICAL_CONTACT,
+                        CustomerTechnicalContact.class,
-                        CUSTOMER_FINANCIAL_CONTACT })
+                        CustomerFinancialContact.class })
         String restrictedField;
 
         @Override

src/test/java/org/hostsharing/hsadminng/service/accessfilter/JSonBuilder.java

@@ -32,37 +32,37 @@ public class JSonBuilder {
     }
 
     public JSonBuilder withFieldValue(String name, String value) {
-        json.append(inQuotes(name) + ":" + (value != null ? inQuotes(value) : "null") + ",");
+        json.append(inQuotes(name)).append(":").append(value != null ? inQuotes(value) : "null").append(",");
         return this;
     }
 
     public JSonBuilder withFieldValue(String name, Number value) {
-        json.append(inQuotes(name) + ":" + (value != null ? value : "null") + ",");
+        json.append(inQuotes(name)).append(":").append(value != null ? value : "null").append(",");
         return this;
     }
 
     public JSonBuilder toJSonNullFieldDefinition(String name) {
-        json.append(inQuotes(name) + ":null,");
+        json.append(inQuotes(name)).append(":null,");
         return this;
     }
 
     public JSonBuilder withFieldValueIfPresent(String name, String value) {
         if (value != null) {
-            json.append(inQuotes(name) + ":" + inQuotes(value) + ",");
+            json.append(inQuotes(name)).append(":").append(inQuotes(value)).append(",");
         }
         return this;
     }
 
     public JSonBuilder withFieldValueIfPresent(String name, Number value) {
         if (value != null) {
-            json.append(inQuotes(name) + ":" + value + ",");
+            json.append(inQuotes(name)).append(":").append(value).append(",");
         }
         return this;
     }
 
-    public <E extends Enum<E>> JSonBuilder withFieldValueIfPresent(final String name, final E value) {
+    public <E extends Enum<E>> JSonBuilder withFieldValueIfPresent(final String name, final Role value) {
         if (value != null) {
-            json.append(inQuotes(name) + ":" + inQuotes(value.name()) + ",");
+            json.append(inQuotes(name)).append(":").append(inQuotes(value.name())).append(",");
         }
         return this;
     }

src/test/java/org/hostsharing/hsadminng/service/accessfilter/JSonDeserializationWithAccessFilterUnitTest.java

@@ -1,26 +1,18 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.accessfilter;
 
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.catchThrowable;
-import static org.assertj.core.api.Assumptions.assumeThat;
-import static org.hostsharing.hsadminng.service.accessfilter.JSonAccessFilterTestFixture.*;
-import static org.hostsharing.hsadminng.service.accessfilter.JSonBuilder.asJSon;
-import static org.mockito.BDDMockito.given;
-
-import org.hostsharing.hsadminng.security.AuthoritiesConstants;
-import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
-import org.hostsharing.hsadminng.web.rest.errors.BadRequestAlertException;
-
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.ObjectCodec;
 import com.fasterxml.jackson.core.TreeNode;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.JsonDeserializer;
 import com.fasterxml.jackson.databind.ObjectMapper;
-
 import org.apache.commons.lang3.NotImplementedException;
 import org.apache.commons.lang3.tuple.ImmutablePair;
+import org.hostsharing.hsadminng.security.AuthoritiesConstants;
+import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
+import org.hostsharing.hsadminng.service.accessfilter.Role.Admin;
+import org.hostsharing.hsadminng.web.rest.errors.BadRequestAlertException;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -37,6 +29,13 @@ import java.time.LocalDate;
 import java.util.Arrays;
 import java.util.Optional;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.catchThrowable;
+import static org.assertj.core.api.Assumptions.assumeThat;
+import static org.hostsharing.hsadminng.service.accessfilter.JSonAccessFilterTestFixture.*;
+import static org.hostsharing.hsadminng.service.accessfilter.JSonBuilder.asJSon;
+import static org.mockito.BDDMockito.given;
+
 @SuppressWarnings("ALL")
 public class JSonDeserializationWithAccessFilterUnitTest {
 
@@ -83,7 +82,7 @@ public class JSonDeserializationWithAccessFilterUnitTest {
     public void init() {
         securityContext = SecurityContextMock.usingMock(userRoleAssignmentService)
                 .havingAuthenticatedUser()
-                .withRole(GivenDto.class, 1234L, Role.ANY_CUSTOMER_USER);
+                .withRole(GivenDto.class, 1234L, Role.AnyCustomerUser.ROLE);
 
         given(ctx.getAutowireCapableBeanFactory()).willReturn(autowireCapableBeanFactory);
         given(autowireCapableBeanFactory.createBean(GivenService.class)).willReturn(givenService);
@@ -244,7 +243,7 @@ public class JSonDeserializationWithAccessFilterUnitTest {
     public void shouldDeserializeStringFieldIfRequiredRoleIsCoveredByUser() throws IOException {
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(GivenCustomerDto.class, 888L, Role.CUSTOMER_FINANCIAL_CONTACT);
+                .withRole(GivenCustomerDto.class, 888L, Role.CustomerFinancialContact.ROLE);
         givenJSonTree(
                 asJSon(
                         ImmutablePair.of("id", 1234L),
@@ -262,7 +261,7 @@ public class JSonDeserializationWithAccessFilterUnitTest {
     public void shouldDeserializeUnchangedStringFieldIfRequiredRoleIsNotCoveredByUser() throws IOException {
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(GivenCustomerDto.class, 888L, Role.CUSTOMER_FINANCIAL_CONTACT);
+                .withRole(GivenCustomerDto.class, 888L, Role.CustomerFinancialContact.ROLE);
         givenJSonTree(
                 asJSon(
                         ImmutablePair.of("id", 1234L),
@@ -280,7 +279,7 @@ public class JSonDeserializationWithAccessFilterUnitTest {
     public void shouldNotDeserializeUpatedStringFieldIfRequiredRoleIsNotCoveredByUser() throws IOException {
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(GivenCustomerDto.class, 888L, Role.ACTUAL_CUSTOMER_USER);
+                .withRole(GivenCustomerDto.class, 888L, Role.ActualCustomerUser.ROLE);
         givenJSonTree(
                 asJSon(
                         ImmutablePair.of("customerId", 888L),
@@ -297,10 +296,10 @@ public class JSonDeserializationWithAccessFilterUnitTest {
     }
 
     @Test
-    public void shouldInitializeFieldIfRequiredRoleIsNotCoveredByUser() throws IOException {
+    public void shouldNotInitializeFieldIfRequiredRoleIsNotCoveredByUser() throws IOException {
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(GivenCustomerDto.class, 888L, Role.ACTUAL_CUSTOMER_USER);
+                .withRole(GivenCustomerDto.class, 888L, Role.ActualCustomerUser.ROLE);
         givenJSonTree(
                 asJSon(
                         ImmutablePair.of("customerId", 888L),
@@ -320,7 +319,7 @@ public class JSonDeserializationWithAccessFilterUnitTest {
     public void shouldNotCreateIfRoleRequiredByParentEntityIsNotCoveredByUser() throws IOException {
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(GivenCustomerDto.class, 9999L, Role.CUSTOMER_CONTRACTUAL_CONTACT);
+                .withRole(GivenCustomerDto.class, 9999L, Role.CustomerContractualContact.ROLE);
         givenJSonTree(
                 asJSon(
                         ImmutablePair.of("parentId", 1234L)));
@@ -340,7 +339,7 @@ public class JSonDeserializationWithAccessFilterUnitTest {
     public void shouldCreateIfRoleRequiredByReferencedEntityIsCoveredByUser() throws IOException {
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(GivenCustomerDto.class, 888L, Role.CUSTOMER_CONTRACTUAL_CONTACT);
+                .withRole(GivenCustomerDto.class, 888L, Role.CustomerContractualContact.ROLE);
         givenJSonTree(
                 asJSon(
                         ImmutablePair.of("parentId", 1234L)));
@@ -357,7 +356,7 @@ public class JSonDeserializationWithAccessFilterUnitTest {
     public void shouldResolveParentIdFromIdOfSerializedSubEntity() throws IOException {
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(GivenParent.class, 1234L, Role.CUSTOMER_CONTRACTUAL_CONTACT);
+                .withRole(GivenParent.class, 1234L, Role.CustomerContractualContact.ROLE);
         givenJSonTree(
                 asJSon(
                         ImmutablePair.of(
@@ -377,7 +376,7 @@ public class JSonDeserializationWithAccessFilterUnitTest {
     public void shouldNotUpdateFieldIfRequiredRoleIsNotCoveredByUser() throws IOException {
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(GivenCustomerDto.class, 888L, Role.ACTUAL_CUSTOMER_USER);
+                .withRole(GivenCustomerDto.class, 888L, Role.ActualCustomerUser.ROLE);
         givenJSonTree(
                 asJSon(
                         ImmutablePair.of("id", 1234L),
@@ -475,7 +474,7 @@ public class JSonDeserializationWithAccessFilterUnitTest {
     @Test
     public void shouldIgnorePropertyToIgnoreForInit() throws IOException {
         // given
-        securityContext.havingAuthenticatedUser().withAuthority(AuthoritiesConstants.ADMIN);
+        securityContext.havingAuthenticatedUser().withAuthority(Admin.ROLE.authority());
         givenJSonTree(
                 asJSon(
                         ImmutablePair.of("displayLabel", "Some Value")));

src/test/java/org/hostsharing/hsadminng/service/accessfilter/JSonSerializationWithAccessFilterUnitTest.java

@@ -1,18 +1,9 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.accessfilter;
 
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.catchThrowable;
-import static org.hostsharing.hsadminng.service.accessfilter.JSonAccessFilterTestFixture.*;
-import static org.mockito.BDDMockito.given;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.verify;
-
-import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
-
 import com.fasterxml.jackson.core.JsonGenerator;
-
 import org.apache.commons.lang3.NotImplementedException;
+import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -25,6 +16,13 @@ import org.springframework.context.ApplicationContext;
 import java.io.IOException;
 import java.util.Optional;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.catchThrowable;
+import static org.hostsharing.hsadminng.service.accessfilter.JSonAccessFilterTestFixture.*;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+
 public class JSonSerializationWithAccessFilterUnitTest {
 
     @Rule
@@ -53,7 +51,7 @@ public class JSonSerializationWithAccessFilterUnitTest {
     public void init() {
         securityContext = SecurityContextMock.usingMock(userRoleAssignmentService)
                 .havingAuthenticatedUser()
-                .withRole(GivenCustomerDto.class, 888L, Role.ANY_CUSTOMER_USER);
+                .withRole(GivenCustomerDto.class, 888L, Role.AnyCustomerUser.ROLE);
 
         given(ctx.getAutowireCapableBeanFactory()).willReturn(autowireCapableBeanFactory);
         given(autowireCapableBeanFactory.createBean(GivenCustomerService.class)).willReturn(givenCustomerService);
@@ -157,7 +155,8 @@ public class JSonSerializationWithAccessFilterUnitTest {
     public void shouldSerializeRestrictedFieldIfRequiredRoleIsCoveredByUser() throws IOException {
 
         // given
-        securityContext.havingAuthenticatedUser().withRole(GivenCustomerDto.class, 888L, Role.CUSTOMER_FINANCIAL_CONTACT);
+        securityContext.havingAuthenticatedUser()
+                .withRole(GivenCustomerDto.class, 888L, Role.of(Role.CustomerFinancialContact.class));
 
         // when
         serialize(givenDTO);
@@ -170,7 +169,7 @@ public class JSonSerializationWithAccessFilterUnitTest {
     public void shouldNotSerializeRestrictedFieldIfRequiredRoleIsNotCoveredByUser() throws IOException {
 
         // given
-        securityContext.havingAuthenticatedUser().withRole(GivenCustomerDto.class, 888L, Role.ANY_CUSTOMER_USER);
+        securityContext.havingAuthenticatedUser().withRole(GivenCustomerDto.class, 888L, Role.AnyCustomerUser.ROLE);
 
         // when
         serialize(givenDTO);
@@ -188,7 +187,7 @@ public class JSonSerializationWithAccessFilterUnitTest {
         }
         class GivenDtoWithUnimplementedFieldType implements AccessMappings {
 
-            @AccessFor(read = Role.ANYBODY)
+            @AccessFor(read = Role.Anybody.class)
             Arbitrary fieldWithUnimplementedType = new Arbitrary();
 
             @Override
@@ -208,7 +207,7 @@ public class JSonSerializationWithAccessFilterUnitTest {
 
     // --- fixture code below ---
 
-    public <T extends AccessMappings> void serialize(final T dto) throws IOException {
+    private <T extends AccessMappings> void serialize(final T dto) throws IOException {
         // @formatter:off
         new JsonSerializerWithAccessFilter<T>(ctx, userRoleAssignmentService) {}
             .serialize(dto, jsonGenerator, null);

src/test/java/org/hostsharing/hsadminng/service/accessfilter/RoleUnitTest.java

@@ -1,118 +1,113 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.accessfilter;
 
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.ThrowableAssert.catchThrowable;
-
-import org.hostsharing.hsadminng.security.AuthoritiesConstants;
-
 import com.google.common.base.VerifyException;
-
+import org.hostsharing.hsadminng.security.AuthoritiesConstants;
+import org.hostsharing.hsadminng.service.accessfilter.Role.*;
 import org.junit.Test;
 
 import java.lang.reflect.Field;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.ThrowableAssert.catchThrowable;
+
 public class RoleUnitTest {
 
     @Test
     public void allUserRolesShouldCoverSameRequiredRole() {
-        assertThat(Role.HOSTMASTER.covers(Role.HOSTMASTER)).isTrue();
+        assertThat(Hostmaster.ROLE.covers(Hostmaster.class)).isTrue();
-        assertThat(Role.ADMIN.covers(Role.ADMIN)).isTrue();
+        assertThat(Admin.ROLE.covers(Admin.class)).isTrue();
-        assertThat(Role.SUPPORTER.covers(Role.SUPPORTER)).isTrue();
+        assertThat(Supporter.ROLE.covers(Supporter.class)).isTrue();
 
-        assertThat(Role.CUSTOMER_CONTRACTUAL_CONTACT.covers(Role.CUSTOMER_CONTRACTUAL_CONTACT)).isTrue();
+        assertThat(Role.CustomerContractualContact.ROLE.covers(Role.CustomerContractualContact.class)).isTrue();
-        assertThat(Role.CUSTOMER_FINANCIAL_CONTACT.covers(Role.CUSTOMER_FINANCIAL_CONTACT)).isTrue();
+        assertThat(CustomerFinancialContact.ROLE.covers(CustomerFinancialContact.class)).isTrue();
-        assertThat(Role.CUSTOMER_TECHNICAL_CONTACT.covers(Role.CUSTOMER_TECHNICAL_CONTACT)).isTrue();
+        assertThat(CustomerTechnicalContact.ROLE.covers(CustomerTechnicalContact.class)).isTrue();
 
-        assertThat(Role.ACTUAL_CUSTOMER_USER.covers((Role.ACTUAL_CUSTOMER_USER))).isTrue();
+        assertThat(ActualCustomerUser.ROLE.covers((ActualCustomerUser.class))).isTrue();
-        assertThat(Role.ANY_CUSTOMER_USER.covers((Role.ANY_CUSTOMER_USER))).isTrue();
+        assertThat(AnyCustomerUser.ROLE.covers((Role.AnyCustomerUser.class))).isTrue();
     }
 
     @Test
     public void lowerUserRolesShouldNotCoverHigherRequiredRoles() {
-        assertThat(Role.HOSTMASTER.covers(Role.NOBODY)).isFalse();
+        assertThat(Hostmaster.ROLE.covers(Nobody.class)).isFalse();
-        assertThat(Role.ADMIN.covers(Role.HOSTMASTER)).isFalse();
+        assertThat(Admin.ROLE.covers(Hostmaster.class)).isFalse();
-        assertThat(Role.SUPPORTER.covers(Role.ADMIN)).isFalse();
+        assertThat(Supporter.ROLE.covers(Admin.class)).isFalse();
 
-        assertThat(Role.ANY_CUSTOMER_CONTACT.covers(Role.SUPPORTER)).isFalse();
+        assertThat(AnyCustomerContact.ROLE.covers(Supporter.class)).isFalse();
-        assertThat(Role.ANY_CUSTOMER_CONTACT.covers(Role.CUSTOMER_CONTRACTUAL_CONTACT)).isFalse();
+        assertThat(AnyCustomerContact.ROLE.covers(Role.CustomerContractualContact.class)).isFalse();
-        assertThat(Role.CUSTOMER_FINANCIAL_CONTACT.covers(Role.CUSTOMER_CONTRACTUAL_CONTACT)).isFalse();
+        assertThat(CustomerFinancialContact.ROLE.covers(Role.CustomerContractualContact.class)).isFalse();
-        assertThat(Role.CUSTOMER_FINANCIAL_CONTACT.covers(Role.CUSTOMER_TECHNICAL_CONTACT)).isFalse();
+        assertThat(CustomerFinancialContact.ROLE.covers(CustomerTechnicalContact.class)).isFalse();
-        assertThat(Role.CUSTOMER_TECHNICAL_CONTACT.covers(Role.CUSTOMER_CONTRACTUAL_CONTACT)).isFalse();
+        assertThat(CustomerTechnicalContact.ROLE.covers(Role.CustomerContractualContact.class)).isFalse();
-        assertThat(Role.CUSTOMER_TECHNICAL_CONTACT.covers(Role.CUSTOMER_FINANCIAL_CONTACT)).isFalse();
+        assertThat(CustomerTechnicalContact.ROLE.covers(CustomerFinancialContact.class)).isFalse();
 
-        assertThat(Role.ACTUAL_CUSTOMER_USER.covers((Role.ANY_CUSTOMER_CONTACT))).isFalse();
+        assertThat(ActualCustomerUser.ROLE.covers((AnyCustomerContact.class))).isFalse();
-        assertThat(Role.ACTUAL_CUSTOMER_USER.covers((Role.CUSTOMER_CONTRACTUAL_CONTACT))).isFalse();
+        assertThat(ActualCustomerUser.ROLE.covers((Role.CustomerContractualContact.class))).isFalse();
-        assertThat(Role.ACTUAL_CUSTOMER_USER.covers((Role.CUSTOMER_TECHNICAL_CONTACT))).isFalse();
+        assertThat(ActualCustomerUser.ROLE.covers((CustomerTechnicalContact.class))).isFalse();
-        assertThat(Role.ACTUAL_CUSTOMER_USER.covers((Role.CUSTOMER_FINANCIAL_CONTACT))).isFalse();
+        assertThat(ActualCustomerUser.ROLE.covers((CustomerFinancialContact.class))).isFalse();
 
-        assertThat(Role.ANY_CUSTOMER_USER.covers((Role.ACTUAL_CUSTOMER_USER))).isFalse();
+        assertThat(AnyCustomerUser.ROLE.covers((ActualCustomerUser.class))).isFalse();
-        assertThat(Role.ANY_CUSTOMER_USER.covers((Role.ANY_CUSTOMER_CONTACT))).isFalse();
+        assertThat(AnyCustomerUser.ROLE.covers((AnyCustomerContact.class))).isFalse();
-        assertThat(Role.ANY_CUSTOMER_USER.covers((Role.CUSTOMER_CONTRACTUAL_CONTACT))).isFalse();
+        assertThat(AnyCustomerUser.ROLE.covers((Role.CustomerContractualContact.class))).isFalse();
-        assertThat(Role.ANY_CUSTOMER_USER.covers((Role.CUSTOMER_TECHNICAL_CONTACT))).isFalse();
+        assertThat(AnyCustomerUser.ROLE.covers((CustomerTechnicalContact.class))).isFalse();
-        assertThat(Role.ANY_CUSTOMER_USER.covers((Role.CUSTOMER_FINANCIAL_CONTACT))).isFalse();
+        assertThat(AnyCustomerUser.ROLE.covers((CustomerFinancialContact.class))).isFalse();
 
-        assertThat(Role.ANYBODY.covers((Role.ANY_CUSTOMER_USER))).isFalse();
+        assertThat(Anybody.ROLE.covers((Role.AnyCustomerUser.class))).isFalse();
     }
 
     @Test
     public void higherUserRolesShouldCoverLowerRequiredRoles() {
-        assertThat(Role.HOSTMASTER.covers(Role.SUPPORTER)).isTrue();
+        assertThat(Hostmaster.ROLE.covers(Supporter.class)).isTrue();
-        assertThat(Role.ADMIN.covers(Role.SUPPORTER)).isTrue();
+        assertThat(Admin.ROLE.covers(Supporter.class)).isTrue();
 
-        assertThat(Role.SUPPORTER.covers(Role.ANY_CUSTOMER_CONTACT)).isTrue();
+        assertThat(Supporter.ROLE.covers(AnyCustomerContact.class)).isTrue();
 
-        assertThat(Role.CUSTOMER_CONTRACTUAL_CONTACT.covers(Role.ANY_CUSTOMER_CONTACT)).isTrue();
+        assertThat(Role.CustomerContractualContact.ROLE.covers(AnyCustomerContact.class)).isTrue();
-        assertThat(Role.CUSTOMER_CONTRACTUAL_CONTACT.covers(Role.CUSTOMER_FINANCIAL_CONTACT)).isTrue();
+        assertThat(Role.CustomerContractualContact.ROLE.covers(CustomerFinancialContact.class)).isTrue();
-        assertThat(Role.CUSTOMER_CONTRACTUAL_CONTACT.covers(Role.CUSTOMER_TECHNICAL_CONTACT)).isTrue();
+        assertThat(Role.CustomerContractualContact.ROLE.covers(CustomerTechnicalContact.class)).isTrue();
-        assertThat(Role.CUSTOMER_TECHNICAL_CONTACT.covers(Role.ANY_CUSTOMER_USER)).isTrue();
+        assertThat(CustomerTechnicalContact.ROLE.covers(Role.AnyCustomerUser.class)).isTrue();
 
-        assertThat(Role.ACTUAL_CUSTOMER_USER.covers((Role.ANY_CUSTOMER_USER))).isTrue();
+        assertThat(ActualCustomerUser.ROLE.covers((Role.AnyCustomerUser.class))).isTrue();
-        assertThat(Role.ANY_CUSTOMER_USER.covers((Role.ANYBODY))).isTrue();
+        assertThat(AnyCustomerUser.ROLE.covers((Anybody.class))).isTrue();
     }
 
     @Test
     public void financialContactShouldNotCoverAnyOtherRealRoleRequirement() {
-        assertThat(Role.CUSTOMER_FINANCIAL_CONTACT.covers(Role.ANY_CUSTOMER_USER)).isFalse();
+        assertThat(CustomerFinancialContact.ROLE.covers(Role.AnyCustomerUser.class)).isFalse();
-        assertThat(Role.CUSTOMER_FINANCIAL_CONTACT.covers(Role.ACTUAL_CUSTOMER_USER)).isFalse();
+        assertThat(CustomerFinancialContact.ROLE.covers(ActualCustomerUser.class)).isFalse();
-        assertThat(Role.CUSTOMER_FINANCIAL_CONTACT.covers(Role.ANY_CUSTOMER_USER)).isFalse();
+        assertThat(CustomerFinancialContact.ROLE.covers(Role.AnyCustomerUser.class)).isFalse();
     }
 
     @Test
     public void ignoredCoversNothingAndIsNotCovered() {
-        assertThat(Role.IGNORED.covers(Role.HOSTMASTER)).isFalse();
+        assertThat(Ignored.ROLE.covers(Hostmaster.class)).isFalse();
-        assertThat(Role.IGNORED.covers(Role.ANYBODY)).isFalse();
+        assertThat(Ignored.ROLE.covers(Anybody.class)).isFalse();
-        assertThat(Role.IGNORED.covers(Role.IGNORED)).isFalse();
+        assertThat(Ignored.ROLE.covers(Ignored.class)).isFalse();
-        assertThat(Role.HOSTMASTER.covers(Role.IGNORED)).isFalse();
+        assertThat(Hostmaster.ROLE.covers(Ignored.class)).isFalse();
-        assertThat(Role.ANYBODY.covers(Role.IGNORED)).isFalse();
+        assertThat(Anybody.ROLE.covers(Ignored.class)).isFalse();
     }
 
     @Test
     public void coversAny() {
-        assertThat(Role.HOSTMASTER.coversAny(Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT)).isTrue();
+        assertThat(Hostmaster.ROLE.coversAny(Role.CustomerContractualContact.class, CustomerFinancialContact.class)).isTrue();
         assertThat(
-                Role.CUSTOMER_CONTRACTUAL_CONTACT.coversAny(Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT))
+                Role.CustomerContractualContact.ROLE.coversAny(
+                        Role.CustomerContractualContact.class,
+                        CustomerFinancialContact.class))
                                 .isTrue();
         assertThat(
-                Role.CUSTOMER_FINANCIAL_CONTACT.coversAny(Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT))
+                CustomerFinancialContact.ROLE.coversAny(
+                        Role.CustomerContractualContact.class,
+                        CustomerFinancialContact.class))
                                 .isTrue();
 
-        assertThat(Role.ANY_CUSTOMER_USER.coversAny(Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.CUSTOMER_FINANCIAL_CONTACT))
+        assertThat(Role.AnyCustomerUser.ROLE.coversAny(Role.CustomerContractualContact.class, CustomerFinancialContact.class))
                 .isFalse();
 
-        assertThat(catchThrowable(() -> Role.HOSTMASTER.coversAny())).isInstanceOf(VerifyException.class);
+        assertThat(catchThrowable(Hostmaster.ROLE::coversAny)).isInstanceOf(VerifyException.class);
-        assertThat(catchThrowable(() -> Role.HOSTMASTER.coversAny((Role[]) null))).isInstanceOf(VerifyException.class);
+        assertThat(
-    }
+                catchThrowable(
-
+                        () -> Hostmaster.ROLE.coversAny(
-    @Test
+                                (Class<Role>[]) null))).isInstanceOf(VerifyException.class);
-    public void isIgnored() {
-        for (Role role : Role.values()) {
-            if (role == Role.IGNORED) {
-                assertThat(role.isIgnored()).isTrue();
-            } else {
-                assertThat(role.isIgnored()).isFalse();
-            }
-        }
     }
 
     @Test
@@ -125,54 +120,54 @@ public class RoleUnitTest {
 
     @Test
     public void getAuthority() {
-        assertThat(Role.NOBODY.getAuthority()).isEmpty();
+        assertThat(Nobody.ROLE.authority()).isEqualTo(AuthoritiesConstants.USER);
-        assertThat(Role.HOSTMASTER.getAuthority()).hasValue(AuthoritiesConstants.HOSTMASTER);
+        assertThat(Hostmaster.ROLE.authority()).isEqualTo(AuthoritiesConstants.HOSTMASTER);
-        assertThat(Role.ADMIN.getAuthority()).hasValue(AuthoritiesConstants.ADMIN);
+        assertThat(Admin.ROLE.authority()).isEqualTo(AuthoritiesConstants.ADMIN);
-        assertThat(Role.SUPPORTER.getAuthority()).hasValue(AuthoritiesConstants.SUPPORTER);
+        assertThat(Supporter.ROLE.authority()).isEqualTo(AuthoritiesConstants.SUPPORTER);
-        assertThat(Role.CUSTOMER_CONTRACTUAL_CONTACT.getAuthority()).isEmpty();
+        assertThat(Role.CustomerContractualContact.ROLE.authority()).isEqualTo(AuthoritiesConstants.USER);
-        assertThat(Role.ANYBODY.getAuthority()).hasValue(AuthoritiesConstants.ANONYMOUS);
+        assertThat(Anybody.ROLE.authority()).isEqualTo(AuthoritiesConstants.ANONYMOUS);
     }
 
     @Test
     public void isBroadest() {
-        assertThat(Role.broadest(Role.HOSTMASTER, Role.CUSTOMER_CONTRACTUAL_CONTACT)).isEqualTo(Role.HOSTMASTER);
+        assertThat(Role.broadest(Hostmaster.ROLE, Role.CustomerContractualContact.ROLE)).isEqualTo(Hostmaster.ROLE);
-        assertThat(Role.broadest(Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.HOSTMASTER)).isEqualTo(Role.HOSTMASTER);
+        assertThat(Role.broadest(Role.CustomerContractualContact.ROLE, Hostmaster.ROLE)).isEqualTo(Hostmaster.ROLE);
-        assertThat(Role.broadest(Role.CUSTOMER_CONTRACTUAL_CONTACT, Role.ANY_CUSTOMER_USER))
+        assertThat(Role.broadest(Role.CustomerContractualContact.ROLE, Role.AnyCustomerUser.ROLE))
-                .isEqualTo(Role.CUSTOMER_CONTRACTUAL_CONTACT);
+                .isEqualTo(Role.CustomerContractualContact.ROLE);
     }
 
     @Test
     public void isAllowedToInit() {
-        assertThat(Role.HOSTMASTER.isAllowedToInit(someFieldWithoutAccessForAnnotation)).isFalse();
+        assertThat(Hostmaster.ROLE.isAllowedToInit(someFieldWithoutAccessForAnnotation)).isFalse();
-        assertThat(Role.SUPPORTER.isAllowedToInit(someFieldWithoutAccessForAnnotation)).isFalse();
+        assertThat(Supporter.ROLE.isAllowedToInit(someFieldWithoutAccessForAnnotation)).isFalse();
-        assertThat(Role.ADMIN.isAllowedToInit(someFieldWithAccessForAnnotation)).isTrue();
+        assertThat(Admin.ROLE.isAllowedToInit(someFieldWithAccessForAnnotation)).isTrue();
     }
 
     @Test
     public void isAllowedToUpdate() {
-        assertThat(Role.HOSTMASTER.isAllowedToUpdate(someFieldWithoutAccessForAnnotation)).isFalse();
+        assertThat(Hostmaster.ROLE.isAllowedToUpdate(someFieldWithoutAccessForAnnotation)).isFalse();
-        assertThat(Role.ANY_CUSTOMER_CONTACT.isAllowedToUpdate(someFieldWithAccessForAnnotation)).isFalse();
+        assertThat(AnyCustomerContact.ROLE.isAllowedToUpdate(someFieldWithAccessForAnnotation)).isFalse();
-        assertThat(Role.SUPPORTER.isAllowedToUpdate(someFieldWithAccessForAnnotation)).isTrue();
+        assertThat(Supporter.ROLE.isAllowedToUpdate(someFieldWithAccessForAnnotation)).isTrue();
     }
 
     @Test
     public void isAllowedToRead() {
-        assertThat(Role.HOSTMASTER.isAllowedToRead(someFieldWithoutAccessForAnnotation)).isFalse();
+        assertThat(Hostmaster.ROLE.isAllowedToRead(someFieldWithoutAccessForAnnotation)).isFalse();
-        assertThat(Role.ANY_CUSTOMER_USER.isAllowedToRead(someFieldWithAccessForAnnotation)).isFalse();
+        assertThat(Role.AnyCustomerUser.ROLE.isAllowedToRead(someFieldWithAccessForAnnotation)).isFalse();
-        assertThat(Role.ANY_CUSTOMER_CONTACT.isAllowedToRead(someFieldWithAccessForAnnotation)).isTrue();
+        assertThat(AnyCustomerContact.ROLE.isAllowedToRead(someFieldWithAccessForAnnotation)).isTrue();
     }
 
     // --- only test fixture below ---
 
-    static class TestDto {
+    private static class TestDto {
 
-        @AccessFor(init = Role.ADMIN, update = Role.SUPPORTER, read = Role.ANY_CUSTOMER_CONTACT)
+        @AccessFor(init = Admin.class, update = Supporter.class, read = AnyCustomerContact.class)
         private Integer someFieldWithAccessForAnnotation;
 
-        @AccessFor(update = Role.IGNORED, read = Role.ANY_CUSTOMER_CONTACT)
+        @AccessFor(update = Ignored.class, read = AnyCustomerContact.class)
         private Integer someFieldWithAccessForAnnotationToBeIgnoredForUpdates;
 
-        @AccessFor(update = { Role.IGNORED, Role.SUPPORTER }, read = Role.ANY_CUSTOMER_CONTACT)
+        @AccessFor(update = { Ignored.class, Supporter.class }, read = AnyCustomerContact.class)
         private Integer someFieldWithAccessForAnnotationToBeIgnoredForUpdatesAmongOthers;
 
         private Integer someFieldWithoutAccessForAnnotation;

src/test/java/org/hostsharing/hsadminng/service/accessfilter/SecurityContextFake.java

@@ -3,6 +3,11 @@ package org.hostsharing.hsadminng.service.accessfilter;
 
 public class SecurityContextFake extends SecurityContextDouble<SecurityContextFake> {
 
+    public static SecurityContextFake havingUnauthenticatedUser() {
+        final SecurityContextFake securityContext = new SecurityContextFake();
+        return securityContext;
+    }
+
     public static SecurityContextFake havingAuthenticatedUser() {
         return havingAuthenticatedUser("dummyUser");
     }

src/test/java/org/hostsharing/hsadminng/service/dto/AccessMappingsUnitTestBase.java

@@ -1,14 +1,9 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.dto;
 
-import static org.apache.commons.lang3.StringUtils.removeEnd;
+import org.apache.commons.lang3.RandomUtils;
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.fail;
-
 import org.hostsharing.hsadminng.service.accessfilter.*;
 import org.hostsharing.hsadminng.service.util.ReflectionUtil;
-
-import org.apache.commons.lang3.RandomUtils;
 import org.junit.Test;
 import org.springframework.boot.jackson.JsonComponent;
 
@@ -21,6 +16,10 @@ import java.util.function.BiFunction;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
+import static org.apache.commons.lang3.StringUtils.removeEnd;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assert.fail;
+
 /**
  * Usually base classes for unit tests are not a good idea, but because
  * DTOs which implement AccessMapping are more like a DSL,
@@ -117,7 +116,7 @@ public abstract class AccessMappingsUnitTestBase<D> {
         private final String[] namesOfFieldsWithAccessForAnnotation;
         private final String[] namesOfAccessibleFields;
 
-        AccessRightsMatcher(final Class dtoClass, final Role role, final Function<AccessFor, Role[]> access) {
+        AccessRightsMatcher(final Class dtoClass, final Role role, final Function<AccessFor, Class<? extends Role>[]> access) {
             this.dtoClass = dtoClass;
             this.role = role;
 
@@ -159,10 +158,14 @@ public abstract class AccessMappingsUnitTestBase<D> {
             return fieldsWithAccessForAnnotation;
         }
 
-        private static boolean allows(final Field field, final Function<AccessFor, Role[]> access, final Role role) {
+        private static boolean allows(
+                final Field field,
+                final Function<AccessFor, Class<? extends Role>[]> access,
+                final Role role) {
             if (field.isAnnotationPresent(AccessFor.class)) {
                 final AccessFor accessFor = field.getAnnotation(AccessFor.class);
-                return role.coversAny(access.apply(accessFor));
+                Class<? extends Role>[] roleClasses = access.apply(accessFor);
+                return role.coversAny(roleClasses);
             }
             return false;
         }

src/test/java/org/hostsharing/hsadminng/service/dto/AssetDTOIntTest.java

@@ -1,11 +1,9 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.dto;
 
-import static org.assertj.core.api.Assertions.assertThat;
+import com.fasterxml.jackson.core.JsonProcessingException;
-import static org.assertj.core.api.Assertions.catchThrowable;
+import com.fasterxml.jackson.databind.ObjectMapper;
-import static org.junit.Assert.assertEquals;
+import org.apache.commons.lang3.RandomUtils;
-import static org.mockito.BDDMockito.given;
-
 import org.hostsharing.hsadminng.domain.Asset;
 import org.hostsharing.hsadminng.domain.Customer;
 import org.hostsharing.hsadminng.domain.Membership;
@@ -20,17 +18,14 @@ import org.hostsharing.hsadminng.service.MembershipValidator;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
 import org.hostsharing.hsadminng.service.accessfilter.JSonBuilder;
 import org.hostsharing.hsadminng.service.accessfilter.Role;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerContractualContact;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerFinancialContact;
 import org.hostsharing.hsadminng.service.accessfilter.SecurityContextMock;
 import org.hostsharing.hsadminng.service.mapper.AssetMapper;
 import org.hostsharing.hsadminng.service.mapper.AssetMapperImpl;
 import org.hostsharing.hsadminng.service.mapper.CustomerMapperImpl;
 import org.hostsharing.hsadminng.service.mapper.MembershipMapperImpl;
 import org.hostsharing.hsadminng.web.rest.errors.BadRequestAlertException;
-
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-
-import org.apache.commons.lang3.RandomUtils;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -43,12 +38,16 @@ import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.test.context.junit4.SpringRunner;
 
+import javax.persistence.EntityManager;
 import java.io.IOException;
 import java.math.BigDecimal;
 import java.time.LocalDate;
 import java.util.Optional;
 
-import javax.persistence.EntityManager;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.catchThrowable;
+import static org.junit.Assert.assertEquals;
+import static org.mockito.BDDMockito.given;
 
 @JsonTest
 @SpringBootTest(
@@ -129,7 +128,7 @@ public class AssetDTOIntTest {
 
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, Role.CUSTOMER_FINANCIAL_CONTACT);
+                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, Role.of(CustomerFinancialContact.class));
 
         final AssetDTO given = createSomeAssetDTO(SOME_ASSET_ID);
 
@@ -159,7 +158,7 @@ public class AssetDTOIntTest {
     public void shouldNotDeserializeForContractualCustomerContact() {
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, Role.CUSTOMER_CONTRACTUAL_CONTACT);
+                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, Role.of(CustomerContractualContact.class));
         final String json = new JSonBuilder()
                 .withFieldValue("id", SOME_ASSET_ID)
                 .withFieldValue("remark", "Updated Remark")
@@ -173,7 +172,7 @@ public class AssetDTOIntTest {
                 BadRequestAlertException.class,
                 bre -> assertThat(bre.getMessage())
                         .isEqualTo(
-                                "Update of field AssetDTO.remark prohibited for current user role(s): CUSTOMER_CONTRACTUAL_CONTACT"));
+                                "Update of field AssetDTO.remark prohibited for current user role(s): CustomerContractualContact"));
     }
 
     @Test

src/test/java/org/hostsharing/hsadminng/service/dto/AssetDTOUnitTest.java

@@ -1,12 +1,13 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.dto;
 
-import org.hostsharing.hsadminng.domain.enumeration.AssetAction;
-import org.hostsharing.hsadminng.service.accessfilter.Role;
-import org.hostsharing.hsadminng.service.util.RandomUtil;
-
 import org.apache.commons.lang3.RandomStringUtils;
 import org.apache.commons.lang3.RandomUtils;
+import org.hostsharing.hsadminng.domain.enumeration.AssetAction;
+import org.hostsharing.hsadminng.service.accessfilter.Role;
+import org.hostsharing.hsadminng.service.accessfilter.Role.Admin;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerContractualContact;
+import org.hostsharing.hsadminng.service.util.RandomUtil;
 import org.junit.Test;
 
 import java.math.BigDecimal;
@@ -20,22 +21,22 @@ public class AssetDTOUnitTest extends AccessMappingsUnitTestBase<AssetDTO> {
 
     @Test
     public void shouldHaveProperAccessForAdmin() {
-        initAccessFor(AssetDTO.class, Role.ADMIN).shouldBeExactlyFor(
+        initAccessFor(AssetDTO.class, Admin.ROLE).shouldBeExactlyFor(
                 "membershipId",
                 "documentDate",
                 "amount",
                 "action",
                 "valueDate",
                 "remark");
-        updateAccessFor(AssetDTO.class, Role.ADMIN).shouldBeExactlyFor("remark");
+        updateAccessFor(AssetDTO.class, Admin.ROLE).shouldBeExactlyFor("remark");
-        readAccessFor(AssetDTO.class, Role.ADMIN).shouldBeForAllFields();
+        readAccessFor(AssetDTO.class, Admin.ROLE).shouldBeForAllFields();
     }
 
     @Test
     public void shouldHaveProperAccessForContractualContact() {
-        initAccessFor(AssetDTO.class, Role.CUSTOMER_CONTRACTUAL_CONTACT).shouldBeForNothing();
+        initAccessFor(AssetDTO.class, CustomerContractualContact.ROLE).shouldBeForNothing();
-        updateAccessFor(AssetDTO.class, Role.CUSTOMER_CONTRACTUAL_CONTACT).shouldBeForNothing();
+        updateAccessFor(AssetDTO.class, CustomerContractualContact.ROLE).shouldBeForNothing();
-        readAccessFor(AssetDTO.class, Role.CUSTOMER_CONTRACTUAL_CONTACT).shouldBeExactlyFor(
+        readAccessFor(AssetDTO.class, CustomerContractualContact.ROLE).shouldBeExactlyFor(
                 "id",
                 "membershipId",
                 "documentDate",
@@ -47,21 +48,21 @@ public class AssetDTOUnitTest extends AccessMappingsUnitTestBase<AssetDTO> {
 
     @Test
     public void shouldHaveNoAccessForTechnicalContact() {
-        initAccessFor(AssetDTO.class, Role.CUSTOMER_TECHNICAL_CONTACT).shouldBeForNothing();
+        initAccessFor(AssetDTO.class, Role.CustomerTechnicalContact.ROLE).shouldBeForNothing();
-        updateAccessFor(AssetDTO.class, Role.CUSTOMER_TECHNICAL_CONTACT).shouldBeForNothing();
+        updateAccessFor(AssetDTO.class, Role.CustomerTechnicalContact.ROLE).shouldBeForNothing();
-        readAccessFor(AssetDTO.class, Role.CUSTOMER_TECHNICAL_CONTACT).shouldBeForNothing();
+        readAccessFor(AssetDTO.class, Role.CustomerTechnicalContact.ROLE).shouldBeForNothing();
     }
 
     @Test
     public void shouldHaveNoAccessForNormalUsersWithinCustomerRealm() {
-        initAccessFor(AssetDTO.class, Role.ANY_CUSTOMER_USER).shouldBeForNothing();
+        initAccessFor(AssetDTO.class, Role.AnyCustomerUser.ROLE).shouldBeForNothing();
-        updateAccessFor(AssetDTO.class, Role.ANY_CUSTOMER_USER).shouldBeForNothing();
+        updateAccessFor(AssetDTO.class, Role.AnyCustomerUser.ROLE).shouldBeForNothing();
-        readAccessFor(AssetDTO.class, Role.ANY_CUSTOMER_USER).shouldBeForNothing();
+        readAccessFor(AssetDTO.class, Role.AnyCustomerUser.ROLE).shouldBeForNothing();
     }
 
     // --- only test fixture below ---
 
-    public static AssetDTO createSampleDTO(final Long id, final Long parentId) {
+    private static AssetDTO createSampleDTO(final Long id, final Long parentId) {
         final AssetDTO dto = new AssetDTO();
         dto.setId(id);
         dto.setDocumentDate(LocalDate.parse("2000-12-07"));
@@ -74,7 +75,7 @@ public class AssetDTOUnitTest extends AccessMappingsUnitTestBase<AssetDTO> {
         return dto;
     }
 
-    public static AssetDTO createRandomDTO(final Long id, final Long parentId) {
+    private static AssetDTO createRandomDTO(final Long id, final Long parentId) {
         final AssetDTO dto = new AssetDTO();
         dto.setId(id);
         final LocalDate randomDate = LocalDate.parse("2000-12-07").plusDays(RandomUtils.nextInt(1, 999));

src/test/java/org/hostsharing/hsadminng/service/dto/CustomerDTOUnitTest.java

@@ -1,10 +1,8 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.dto;
 
-import static org.assertj.core.api.Assertions.assertThat;
+import com.fasterxml.jackson.core.JsonProcessingException;
-import static org.junit.Assert.assertEquals;
+import com.fasterxml.jackson.databind.ObjectMapper;
-import static org.mockito.BDDMockito.given;
-
 import org.hostsharing.hsadminng.domain.Customer;
 import org.hostsharing.hsadminng.domain.enumeration.CustomerKind;
 import org.hostsharing.hsadminng.domain.enumeration.VatRegion;
@@ -14,13 +12,11 @@ import org.hostsharing.hsadminng.service.CustomerService;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
 import org.hostsharing.hsadminng.service.accessfilter.JSonBuilder;
 import org.hostsharing.hsadminng.service.accessfilter.Role;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerContractualContact;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerTechnicalContact;
 import org.hostsharing.hsadminng.service.accessfilter.SecurityContextMock;
 import org.hostsharing.hsadminng.service.mapper.CustomerMapper;
 import org.hostsharing.hsadminng.service.mapper.CustomerMapperImpl;
-
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -36,6 +32,10 @@ import org.springframework.test.context.junit4.SpringRunner;
 import java.io.IOException;
 import java.util.Optional;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assert.assertEquals;
+import static org.mockito.BDDMockito.given;
+
 @JsonTest
 @SpringBootTest(
         classes = {
@@ -76,7 +76,7 @@ public class CustomerDTOUnitTest {
     public void testSerializationAsContractualCustomerContact() throws JsonProcessingException {
 
         // given
-        securityContext.havingAuthenticatedUser().withRole(CustomerDTO.class, 1234L, Role.CUSTOMER_CONTRACTUAL_CONTACT);
+        securityContext.havingAuthenticatedUser().withRole(CustomerDTO.class, 1234L, Role.of(CustomerContractualContact.class));
         CustomerDTO given = createSomeCustomerDTO(1234L);
 
         // when
@@ -91,7 +91,7 @@ public class CustomerDTOUnitTest {
     public void testSerializationAsTechnicalCustomerUser() throws JsonProcessingException {
 
         // given
-        securityContext.havingAuthenticatedUser().withRole(CustomerDTO.class, 1234L, Role.CUSTOMER_TECHNICAL_CONTACT);
+        securityContext.havingAuthenticatedUser().withRole(CustomerDTO.class, 1234L, Role.of(CustomerTechnicalContact.class));
         CustomerDTO given = createSomeCustomerDTO(1234L);
 
         // when
@@ -125,7 +125,7 @@ public class CustomerDTOUnitTest {
     @Test
     public void testDeserializeAsContractualCustomerContact() throws IOException {
         // given
-        securityContext.havingAuthenticatedUser().withRole(CustomerDTO.class, 1234L, Role.CUSTOMER_CONTRACTUAL_CONTACT);
+        securityContext.havingAuthenticatedUser().withRole(CustomerDTO.class, 1234L, Role.of(CustomerContractualContact.class));
         given(customerRepository.findById(1234L)).willReturn(Optional.of(new Customer().id(1234L)));
         String json = "{\"id\":1234,\"contractualSalutation\":\"Hallo Updated\",\"billingSalutation\":\"Moin Updated\"}";
 

src/test/java/org/hostsharing/hsadminng/service/dto/MembershipDTOIntTest.java

@@ -1,12 +1,9 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.dto;
 
-import static org.assertj.core.api.Assertions.assertThat;
+import com.fasterxml.jackson.core.JsonProcessingException;
-import static org.assertj.core.api.Assertions.catchThrowable;
+import com.fasterxml.jackson.databind.ObjectMapper;
-import static org.hostsharing.hsadminng.service.dto.MembershipDTOUnitTest.createSampleDTO;
+import org.apache.commons.lang3.RandomUtils;
-import static org.junit.Assert.assertEquals;
-import static org.mockito.BDDMockito.given;
-
 import org.hostsharing.hsadminng.domain.Customer;
 import org.hostsharing.hsadminng.domain.Membership;
 import org.hostsharing.hsadminng.repository.CustomerRepository;
@@ -16,17 +13,13 @@ import org.hostsharing.hsadminng.service.MembershipService;
 import org.hostsharing.hsadminng.service.MembershipValidator;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
 import org.hostsharing.hsadminng.service.accessfilter.JSonBuilder;
-import org.hostsharing.hsadminng.service.accessfilter.Role;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerContractualContact;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerFinancialContact;
 import org.hostsharing.hsadminng.service.accessfilter.SecurityContextMock;
 import org.hostsharing.hsadminng.service.mapper.CustomerMapperImpl;
 import org.hostsharing.hsadminng.service.mapper.MembershipMapper;
 import org.hostsharing.hsadminng.service.mapper.MembershipMapperImpl;
 import org.hostsharing.hsadminng.web.rest.errors.BadRequestAlertException;
-
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-
-import org.apache.commons.lang3.RandomUtils;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -39,11 +32,16 @@ import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.test.context.junit4.SpringRunner;
 
+import javax.persistence.EntityManager;
 import java.io.IOException;
 import java.util.Objects;
 import java.util.Optional;
 
-import javax.persistence.EntityManager;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.catchThrowable;
+import static org.hostsharing.hsadminng.service.dto.MembershipDTOUnitTest.createSampleDTO;
+import static org.junit.Assert.assertEquals;
+import static org.mockito.BDDMockito.given;
 
 @JsonTest
 @SpringBootTest(
@@ -112,7 +110,7 @@ public class MembershipDTOIntTest {
 
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, Role.CUSTOMER_FINANCIAL_CONTACT);
+                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, CustomerFinancialContact.ROLE);
         final MembershipDTO given = createSampleDTO(SOME_SEPA_MANDATE_ID, SOME_CUSTOMER_ID);
 
         // when
@@ -141,7 +139,7 @@ public class MembershipDTOIntTest {
     public void shouldNotDeserializeForContractualCustomerContact() {
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, Role.CUSTOMER_CONTRACTUAL_CONTACT);
+                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, CustomerContractualContact.ROLE);
         final String json = new JSonBuilder()
                 .withFieldValue("id", SOME_SEPA_MANDATE_ID)
                 .withFieldValue("remark", "Updated Remark")
@@ -154,7 +152,7 @@ public class MembershipDTOIntTest {
         assertThat(actual).isInstanceOfSatisfying(
                 BadRequestAlertException.class,
                 bre -> assertThat(bre.getMessage()).isEqualTo(
-                        "Update of field MembershipDTO.remark prohibited for current user role(s): CUSTOMER_CONTRACTUAL_CONTACT"));
+                        "Update of field MembershipDTO.remark prohibited for current user role(s): CustomerContractualContact"));
     }
 
     @Test

src/test/java/org/hostsharing/hsadminng/service/dto/MembershipDTOUnitTest.java

@@ -1,10 +1,13 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.dto;
 
-import org.hostsharing.hsadminng.service.accessfilter.Role;
-
 import org.apache.commons.lang3.RandomStringUtils;
 import org.apache.commons.lang3.RandomUtils;
+import org.hostsharing.hsadminng.service.accessfilter.Role;
+import org.hostsharing.hsadminng.service.accessfilter.Role.Admin;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerContractualContact;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerTechnicalContact;
+import org.hostsharing.hsadminng.service.accessfilter.Role.Supporter;
 import org.junit.Test;
 
 import java.time.LocalDate;
@@ -17,32 +20,32 @@ public class MembershipDTOUnitTest extends AccessMappingsUnitTestBase<Membership
 
     @Test
     public void shouldHaveProperAccessForAdmin() {
-        initAccessFor(MembershipDTO.class, Role.ADMIN).shouldBeExactlyFor(
+        initAccessFor(MembershipDTO.class, Admin.ROLE).shouldBeExactlyFor(
                 "admissionDocumentDate",
                 "cancellationDocumentDate",
                 "memberFromDate",
                 "memberUntilDate",
                 "customerId",
                 "remark");
-        updateAccessFor(MembershipDTO.class, Role.ADMIN).shouldBeExactlyFor(
+        updateAccessFor(MembershipDTO.class, Admin.ROLE).shouldBeExactlyFor(
                 "cancellationDocumentDate",
                 "memberUntilDate",
                 "remark");
-        readAccessFor(MembershipDTO.class, Role.ADMIN).shouldBeForAllFields();
+        readAccessFor(MembershipDTO.class, Admin.ROLE).shouldBeForAllFields();
     }
 
     @Test
     public void shouldHaveProperAccessForSupporter() {
-        initAccessFor(MembershipDTO.class, Role.SUPPORTER).shouldBeForNothing();
+        initAccessFor(MembershipDTO.class, Supporter.ROLE).shouldBeForNothing();
-        updateAccessFor(MembershipDTO.class, Role.SUPPORTER).shouldBeForNothing();
+        updateAccessFor(MembershipDTO.class, Supporter.ROLE).shouldBeForNothing();
-        readAccessFor(MembershipDTO.class, Role.SUPPORTER).shouldBeForAllFields();
+        readAccessFor(MembershipDTO.class, Supporter.ROLE).shouldBeForAllFields();
     }
 
     @Test
     public void shouldHaveProperAccessForContractualContact() {
-        initAccessFor(MembershipDTO.class, Role.CUSTOMER_CONTRACTUAL_CONTACT).shouldBeForNothing();
+        initAccessFor(MembershipDTO.class, CustomerContractualContact.ROLE).shouldBeForNothing();
-        updateAccessFor(MembershipDTO.class, Role.CUSTOMER_CONTRACTUAL_CONTACT).shouldBeForNothing();
+        updateAccessFor(MembershipDTO.class, CustomerContractualContact.ROLE).shouldBeForNothing();
-        readAccessFor(MembershipDTO.class, Role.CUSTOMER_CONTRACTUAL_CONTACT).shouldBeExactlyFor(
+        readAccessFor(MembershipDTO.class, CustomerContractualContact.ROLE).shouldBeExactlyFor(
                 "id",
                 "admissionDocumentDate",
                 "cancellationDocumentDate",
@@ -56,21 +59,21 @@ public class MembershipDTOUnitTest extends AccessMappingsUnitTestBase<Membership
 
     @Test
     public void shouldHaveNoAccessForTechnicalContact() {
-        initAccessFor(MembershipDTO.class, Role.CUSTOMER_TECHNICAL_CONTACT).shouldBeForNothing();
+        initAccessFor(MembershipDTO.class, CustomerTechnicalContact.ROLE).shouldBeForNothing();
-        updateAccessFor(MembershipDTO.class, Role.CUSTOMER_TECHNICAL_CONTACT).shouldBeForNothing();
+        updateAccessFor(MembershipDTO.class, CustomerTechnicalContact.ROLE).shouldBeForNothing();
-        readAccessFor(MembershipDTO.class, Role.CUSTOMER_TECHNICAL_CONTACT).shouldBeForNothing();
+        readAccessFor(MembershipDTO.class, CustomerTechnicalContact.ROLE).shouldBeForNothing();
     }
 
     @Test
     public void shouldHaveNoAccessForNormalUsersWithinCustomerRealm() {
-        initAccessFor(MembershipDTO.class, Role.ANY_CUSTOMER_USER).shouldBeForNothing();
+        initAccessFor(MembershipDTO.class, Role.AnyCustomerUser.ROLE).shouldBeForNothing();
-        updateAccessFor(MembershipDTO.class, Role.ANY_CUSTOMER_USER).shouldBeForNothing();
+        updateAccessFor(MembershipDTO.class, Role.AnyCustomerUser.ROLE).shouldBeForNothing();
-        readAccessFor(MembershipDTO.class, Role.ANY_CUSTOMER_USER).shouldBeForNothing();
+        readAccessFor(MembershipDTO.class, Role.AnyCustomerUser.ROLE).shouldBeForNothing();
     }
 
     // --- only test fixture below ---
 
-    public static MembershipDTO createSampleDTO(final Long id, final Long parentId) {
+    static MembershipDTO createSampleDTO(final Long id, final Long parentId) {
         final MembershipDTO dto = new MembershipDTO();
         dto.setId(id);
         final LocalDate referenceDate = LocalDate.parse("2000-12-07");

src/test/java/org/hostsharing/hsadminng/service/dto/SepaMandateDTOIntTest.java

@@ -1,12 +1,9 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.dto;
 
-import static org.assertj.core.api.Assertions.assertThat;
+import com.fasterxml.jackson.core.JsonProcessingException;
-import static org.assertj.core.api.Assertions.catchThrowable;
+import com.fasterxml.jackson.databind.ObjectMapper;
-import static org.hostsharing.hsadminng.service.dto.SepaMandateDTOUnitTest.createSampleDTO;
+import org.apache.commons.lang3.RandomUtils;
-import static org.junit.Assert.assertEquals;
-import static org.mockito.BDDMockito.given;
-
 import org.hostsharing.hsadminng.domain.Customer;
 import org.hostsharing.hsadminng.domain.SepaMandate;
 import org.hostsharing.hsadminng.repository.CustomerRepository;
@@ -18,17 +15,14 @@ import org.hostsharing.hsadminng.service.SepaMandateService;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
 import org.hostsharing.hsadminng.service.accessfilter.JSonBuilder;
 import org.hostsharing.hsadminng.service.accessfilter.Role;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerContractualContact;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerFinancialContact;
 import org.hostsharing.hsadminng.service.accessfilter.SecurityContextMock;
 import org.hostsharing.hsadminng.service.mapper.CustomerMapperImpl;
 import org.hostsharing.hsadminng.service.mapper.MembershipMapperImpl;
 import org.hostsharing.hsadminng.service.mapper.SepaMandateMapper;
 import org.hostsharing.hsadminng.service.mapper.SepaMandateMapperImpl;
 import org.hostsharing.hsadminng.web.rest.errors.BadRequestAlertException;
-
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-
-import org.apache.commons.lang3.RandomUtils;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -41,11 +35,16 @@ import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.test.context.junit4.SpringRunner;
 
+import javax.persistence.EntityManager;
 import java.io.IOException;
 import java.util.Objects;
 import java.util.Optional;
 
-import javax.persistence.EntityManager;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.catchThrowable;
+import static org.hostsharing.hsadminng.service.dto.SepaMandateDTOUnitTest.createSampleDTO;
+import static org.junit.Assert.assertEquals;
+import static org.mockito.BDDMockito.given;
 
 @JsonTest
 @SpringBootTest(
@@ -117,7 +116,7 @@ public class SepaMandateDTOIntTest {
 
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, Role.CUSTOMER_FINANCIAL_CONTACT);
+                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, Role.of(CustomerFinancialContact.class));
         final SepaMandateDTO given = createSampleDTO(SOME_SEPA_MANDATE_ID, SOME_CUSTOMER_ID);
 
         // when
@@ -146,7 +145,7 @@ public class SepaMandateDTOIntTest {
     public void shouldNotDeserializeForContractualCustomerContact() {
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, Role.CUSTOMER_CONTRACTUAL_CONTACT);
+                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, CustomerContractualContact.ROLE);
         final String json = new JSonBuilder()
                 .withFieldValue("id", SOME_SEPA_MANDATE_ID)
                 .withFieldValue("remark", "Updated Remark")
@@ -159,7 +158,7 @@ public class SepaMandateDTOIntTest {
         assertThat(actual).isInstanceOfSatisfying(
                 BadRequestAlertException.class,
                 bre -> assertThat(bre.getMessage()).isEqualTo(
-                        "Update of field SepaMandateDTO.remark prohibited for current user role(s): CUSTOMER_CONTRACTUAL_CONTACT"));
+                        "Update of field SepaMandateDTO.remark prohibited for current user role(s): CustomerContractualContact"));
     }
 
     @Test

src/test/java/org/hostsharing/hsadminng/service/dto/SepaMandateDTOUnitTest.java

@@ -1,10 +1,13 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.dto;
 
-import org.hostsharing.hsadminng.service.accessfilter.Role;
-
 import org.apache.commons.lang3.RandomStringUtils;
 import org.apache.commons.lang3.RandomUtils;
+import org.hostsharing.hsadminng.service.accessfilter.Role;
+import org.hostsharing.hsadminng.service.accessfilter.Role.Admin;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerContractualContact;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerTechnicalContact;
+import org.hostsharing.hsadminng.service.accessfilter.Role.Supporter;
 import org.junit.Test;
 
 import java.time.LocalDate;
@@ -17,7 +20,7 @@ public class SepaMandateDTOUnitTest extends AccessMappingsUnitTestBase<SepaManda
 
     @Test
     public void shouldHaveProperAccessForAdmin() {
-        initAccessFor(SepaMandateDTO.class, Role.ADMIN).shouldBeExactlyFor(
+        initAccessFor(SepaMandateDTO.class, Role.of(Admin.class)).shouldBeExactlyFor(
                 "grantingDocumentDate",
                 "bic",
                 "remark",
@@ -28,17 +31,17 @@ public class SepaMandateDTOUnitTest extends AccessMappingsUnitTestBase<SepaManda
                 "revokationDocumentDate",
                 "lastUsedDate",
                 "reference");
-        updateAccessFor(SepaMandateDTO.class, Role.ADMIN).shouldBeExactlyFor(
+        updateAccessFor(SepaMandateDTO.class, Role.of(Admin.class)).shouldBeExactlyFor(
                 "remark",
                 "validUntilDate",
                 "revokationDocumentDate",
                 "lastUsedDate");
-        readAccessFor(SepaMandateDTO.class, Role.ADMIN).shouldBeForAllFields();
+        readAccessFor(SepaMandateDTO.class, Role.of(Admin.class)).shouldBeForAllFields();
     }
 
     @Test
     public void shouldHaveProperAccessForSupporter() {
-        initAccessFor(SepaMandateDTO.class, Role.SUPPORTER).shouldBeExactlyFor(
+        initAccessFor(SepaMandateDTO.class, Role.of(Supporter.class)).shouldBeExactlyFor(
                 "grantingDocumentDate",
                 "bic",
                 "validUntilDate",
@@ -46,16 +49,16 @@ public class SepaMandateDTOUnitTest extends AccessMappingsUnitTestBase<SepaManda
                 "validFromDate",
                 "iban",
                 "reference");
-        updateAccessFor(SepaMandateDTO.class, Role.SUPPORTER).shouldBeExactlyFor(
+        updateAccessFor(SepaMandateDTO.class, Role.of(Supporter.class)).shouldBeExactlyFor(
                 "remark",
                 "validUntilDate",
                 "revokationDocumentDate");
-        readAccessFor(SepaMandateDTO.class, Role.SUPPORTER).shouldBeForAllFields();
+        readAccessFor(SepaMandateDTO.class, Role.of(Supporter.class)).shouldBeForAllFields();
     }
 
     @Test
     public void shouldHaveProperAccessForContractualContact() {
-        initAccessFor(SepaMandateDTO.class, Role.CUSTOMER_CONTRACTUAL_CONTACT).shouldBeExactlyFor(
+        initAccessFor(SepaMandateDTO.class, Role.of(CustomerContractualContact.class)).shouldBeExactlyFor(
                 "grantingDocumentDate",
                 "bic",
                 "validUntilDate",
@@ -63,10 +66,10 @@ public class SepaMandateDTOUnitTest extends AccessMappingsUnitTestBase<SepaManda
                 "validFromDate",
                 "iban",
                 "reference");
-        updateAccessFor(SepaMandateDTO.class, Role.CUSTOMER_CONTRACTUAL_CONTACT).shouldBeExactlyFor(
+        updateAccessFor(SepaMandateDTO.class, Role.of(CustomerContractualContact.class)).shouldBeExactlyFor(
                 "validUntilDate",
                 "revokationDocumentDate");
-        readAccessFor(SepaMandateDTO.class, Role.CUSTOMER_CONTRACTUAL_CONTACT).shouldBeExactlyFor(
+        readAccessFor(SepaMandateDTO.class, Role.of(CustomerContractualContact.class)).shouldBeExactlyFor(
                 "grantingDocumentDate",
                 "bic",
                 "id",
@@ -82,16 +85,16 @@ public class SepaMandateDTOUnitTest extends AccessMappingsUnitTestBase<SepaManda
 
     @Test
     public void shouldHaveNoAccessForTechnicalContact() {
-        initAccessFor(SepaMandateDTO.class, Role.CUSTOMER_TECHNICAL_CONTACT).shouldBeForNothing();
+        initAccessFor(SepaMandateDTO.class, Role.of(CustomerTechnicalContact.class)).shouldBeForNothing();
-        updateAccessFor(SepaMandateDTO.class, Role.CUSTOMER_TECHNICAL_CONTACT).shouldBeForNothing();
+        updateAccessFor(SepaMandateDTO.class, Role.of(CustomerTechnicalContact.class)).shouldBeForNothing();
-        readAccessFor(SepaMandateDTO.class, Role.CUSTOMER_TECHNICAL_CONTACT).shouldBeForNothing();
+        readAccessFor(SepaMandateDTO.class, Role.of(CustomerTechnicalContact.class)).shouldBeForNothing();
     }
 
     @Test
     public void shouldHaveNoAccessForNormalUsersWithinCustomerRealm() {
-        initAccessFor(SepaMandateDTO.class, Role.ANY_CUSTOMER_USER).shouldBeForNothing();
+        initAccessFor(SepaMandateDTO.class, Role.AnyCustomerUser.ROLE).shouldBeForNothing();
-        updateAccessFor(SepaMandateDTO.class, Role.ANY_CUSTOMER_USER).shouldBeForNothing();
+        updateAccessFor(SepaMandateDTO.class, Role.AnyCustomerUser.ROLE).shouldBeForNothing();
-        readAccessFor(SepaMandateDTO.class, Role.ANY_CUSTOMER_USER).shouldBeForNothing();
+        readAccessFor(SepaMandateDTO.class, Role.AnyCustomerUser.ROLE).shouldBeForNothing();
     }
 
     // --- only test fixture below ---

src/test/java/org/hostsharing/hsadminng/service/dto/ShareDTOIntTest.java

@@ -1,11 +1,9 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.dto;
 
-import static org.assertj.core.api.Assertions.assertThat;
+import com.fasterxml.jackson.core.JsonProcessingException;
-import static org.assertj.core.api.Assertions.catchThrowable;
+import com.fasterxml.jackson.databind.ObjectMapper;
-import static org.junit.Assert.assertEquals;
+import org.apache.commons.lang3.RandomUtils;
-import static org.mockito.BDDMockito.given;
-
 import org.hostsharing.hsadminng.domain.Customer;
 import org.hostsharing.hsadminng.domain.Membership;
 import org.hostsharing.hsadminng.domain.Share;
@@ -13,24 +11,20 @@ import org.hostsharing.hsadminng.domain.enumeration.ShareAction;
 import org.hostsharing.hsadminng.repository.CustomerRepository;
 import org.hostsharing.hsadminng.repository.MembershipRepository;
 import org.hostsharing.hsadminng.repository.ShareRepository;
-import org.hostsharing.hsadminng.security.AuthoritiesConstants;
 import org.hostsharing.hsadminng.service.MembershipValidator;
 import org.hostsharing.hsadminng.service.ShareService;
 import org.hostsharing.hsadminng.service.ShareValidator;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
 import org.hostsharing.hsadminng.service.accessfilter.JSonBuilder;
 import org.hostsharing.hsadminng.service.accessfilter.Role;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerContractualContact;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerFinancialContact;
 import org.hostsharing.hsadminng.service.accessfilter.SecurityContextMock;
 import org.hostsharing.hsadminng.service.mapper.CustomerMapperImpl;
 import org.hostsharing.hsadminng.service.mapper.MembershipMapperImpl;
 import org.hostsharing.hsadminng.service.mapper.ShareMapper;
 import org.hostsharing.hsadminng.service.mapper.ShareMapperImpl;
 import org.hostsharing.hsadminng.web.rest.errors.BadRequestAlertException;
-
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-
-import org.apache.commons.lang3.RandomUtils;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -43,11 +37,15 @@ import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.test.context.junit4.SpringRunner;
 
+import javax.persistence.EntityManager;
 import java.io.IOException;
 import java.time.LocalDate;
 import java.util.Optional;
 
-import javax.persistence.EntityManager;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.catchThrowable;
+import static org.junit.Assert.assertEquals;
+import static org.mockito.BDDMockito.given;
 
 @JsonTest
 @SpringBootTest(
@@ -129,7 +127,7 @@ public class ShareDTOIntTest {
 
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, Role.CUSTOMER_FINANCIAL_CONTACT);
+                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, CustomerFinancialContact.ROLE);
         final ShareDTO given = createSomeShareDTO(SOME_SHARE_ID);
 
         // when
@@ -144,7 +142,7 @@ public class ShareDTOIntTest {
     public void shouldSerializeCompletelyForSupporter() throws JsonProcessingException {
 
         // given
-        securityContext.havingAuthenticatedUser().withAuthority(AuthoritiesConstants.SUPPORTER);
+        securityContext.havingAuthenticatedUser().withAuthority(Role.Supporter.ROLE.authority());
         final ShareDTO given = createSomeShareDTO(SOME_SHARE_ID);
 
         // when
@@ -158,7 +156,7 @@ public class ShareDTOIntTest {
     public void shouldNotDeserializeForContractualCustomerContact() {
         // given
         securityContext.havingAuthenticatedUser()
-                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, Role.CUSTOMER_CONTRACTUAL_CONTACT);
+                .withRole(CustomerDTO.class, SOME_CUSTOMER_ID, CustomerContractualContact.ROLE);
         final String json = new JSonBuilder()
                 .withFieldValue("id", SOME_SHARE_ID)
                 .withFieldValue("remark", "Updated Remark")
@@ -172,13 +170,13 @@ public class ShareDTOIntTest {
                 BadRequestAlertException.class,
                 bre -> assertThat(bre.getMessage())
                         .isEqualTo(
-                                "Update of field ShareDTO.remark prohibited for current user role(s): CUSTOMER_CONTRACTUAL_CONTACT"));
+                                "Update of field ShareDTO.remark prohibited for current user role(s): CustomerContractualContact"));
     }
 
     @Test
     public void shouldDeserializeForAdminIfRemarkIsChanged() throws IOException {
         // given
-        securityContext.havingAuthenticatedUser().withAuthority(AuthoritiesConstants.ADMIN);
+        securityContext.havingAuthenticatedUser().withAuthority(Role.Admin.ROLE.authority());
         final String json = new JSonBuilder()
                 .withFieldValue("id", SOME_SHARE_ID)
                 .withFieldValue("remark", "Updated Remark")

src/test/java/org/hostsharing/hsadminng/service/dto/ShareDTOUnitTest.java

@@ -1,12 +1,14 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.dto;
 
-import org.hostsharing.hsadminng.domain.enumeration.ShareAction;
-import org.hostsharing.hsadminng.service.accessfilter.Role;
-import org.hostsharing.hsadminng.service.util.RandomUtil;
-
 import org.apache.commons.lang3.RandomStringUtils;
 import org.apache.commons.lang3.RandomUtils;
+import org.hostsharing.hsadminng.domain.enumeration.ShareAction;
+import org.hostsharing.hsadminng.service.accessfilter.Role;
+import org.hostsharing.hsadminng.service.accessfilter.Role.Admin;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerContractualContact;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerTechnicalContact;
+import org.hostsharing.hsadminng.service.util.RandomUtil;
 import org.junit.Test;
 
 import java.time.LocalDate;
@@ -19,22 +21,22 @@ public class ShareDTOUnitTest extends AccessMappingsUnitTestBase<ShareDTO> {
 
     @Test
     public void shouldHaveProperAccessForAdmin() {
-        initAccessFor(ShareDTO.class, Role.ADMIN).shouldBeExactlyFor(
+        initAccessFor(ShareDTO.class, Admin.ROLE).shouldBeExactlyFor(
                 "membershipId",
                 "documentDate",
                 "quantity",
                 "action",
                 "valueDate",
                 "remark");
-        updateAccessFor(ShareDTO.class, Role.ADMIN).shouldBeExactlyFor("remark");
+        updateAccessFor(ShareDTO.class, Admin.ROLE).shouldBeExactlyFor("remark");
-        readAccessFor(ShareDTO.class, Role.ADMIN).shouldBeForAllFields();
+        readAccessFor(ShareDTO.class, Admin.ROLE).shouldBeForAllFields();
     }
 
     @Test
     public void shouldHaveProperAccessForContractualContact() {
-        initAccessFor(ShareDTO.class, Role.CUSTOMER_CONTRACTUAL_CONTACT).shouldBeForNothing();
+        initAccessFor(ShareDTO.class, CustomerContractualContact.ROLE).shouldBeForNothing();
-        updateAccessFor(ShareDTO.class, Role.CUSTOMER_CONTRACTUAL_CONTACT).shouldBeForNothing();
+        updateAccessFor(ShareDTO.class, CustomerContractualContact.ROLE).shouldBeForNothing();
-        readAccessFor(ShareDTO.class, Role.CUSTOMER_CONTRACTUAL_CONTACT).shouldBeExactlyFor(
+        readAccessFor(ShareDTO.class, CustomerContractualContact.ROLE).shouldBeExactlyFor(
                 "id",
                 "membershipId",
                 "documentDate",
@@ -46,21 +48,21 @@ public class ShareDTOUnitTest extends AccessMappingsUnitTestBase<ShareDTO> {
 
     @Test
     public void shouldHaveNoAccessForTechnicalContact() {
-        initAccessFor(ShareDTO.class, Role.CUSTOMER_TECHNICAL_CONTACT).shouldBeForNothing();
+        initAccessFor(ShareDTO.class, CustomerTechnicalContact.ROLE).shouldBeForNothing();
-        updateAccessFor(ShareDTO.class, Role.CUSTOMER_TECHNICAL_CONTACT).shouldBeForNothing();
+        updateAccessFor(ShareDTO.class, CustomerTechnicalContact.ROLE).shouldBeForNothing();
-        readAccessFor(ShareDTO.class, Role.CUSTOMER_TECHNICAL_CONTACT).shouldBeForNothing();
+        readAccessFor(ShareDTO.class, CustomerTechnicalContact.ROLE).shouldBeForNothing();
     }
 
     @Test
     public void shouldHaveNoAccessForNormalUsersWithinCustomerRealm() {
-        initAccessFor(ShareDTO.class, Role.ANY_CUSTOMER_USER).shouldBeForNothing();
+        initAccessFor(ShareDTO.class, Role.AnyCustomerUser.ROLE).shouldBeForNothing();
-        updateAccessFor(ShareDTO.class, Role.ANY_CUSTOMER_USER).shouldBeForNothing();
+        updateAccessFor(ShareDTO.class, Role.AnyCustomerUser.ROLE).shouldBeForNothing();
-        readAccessFor(ShareDTO.class, Role.ANY_CUSTOMER_USER).shouldBeForNothing();
+        readAccessFor(ShareDTO.class, Role.AnyCustomerUser.ROLE).shouldBeForNothing();
     }
 
     // --- only test fixture below ---
 
-    public static ShareDTO createSampleDTO(final Long id, final Long parentId) {
+    private static ShareDTO createSampleDTO(final Long id, final Long parentId) {
         final ShareDTO dto = new ShareDTO();
         dto.setId(id);
         dto.setMembershipId(parentId);
@@ -73,7 +75,7 @@ public class ShareDTOUnitTest extends AccessMappingsUnitTestBase<ShareDTO> {
         return dto;
     }
 
-    public static ShareDTO createRandomDTO(final Long id, final Long parentId) {
+    private static ShareDTO createRandomDTO(final Long id, final Long parentId) {
         final ShareDTO dto = new ShareDTO();
         dto.setId(id);
         dto.setMembershipId(parentId);

src/test/java/org/hostsharing/hsadminng/service/dto/UserRoleAssignmentUnitTest.java

@@ -1,25 +1,17 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.service.dto;
 
-import static org.apache.commons.lang3.tuple.ImmutablePair.of;
+import com.fasterxml.jackson.core.JsonProcessingException;
-import static org.assertj.core.api.Assertions.assertThat;
+import com.fasterxml.jackson.databind.ObjectMapper;
-import static org.junit.Assert.assertEquals;
-import static org.mockito.BDDMockito.given;
-
 import org.hostsharing.hsadminng.domain.Customer;
 import org.hostsharing.hsadminng.domain.User;
 import org.hostsharing.hsadminng.domain.UserRoleAssignment;
 import org.hostsharing.hsadminng.repository.UserRepository;
 import org.hostsharing.hsadminng.repository.UserRoleAssignmentRepository;
-import org.hostsharing.hsadminng.security.AuthoritiesConstants;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
 import org.hostsharing.hsadminng.service.accessfilter.JSonBuilder;
 import org.hostsharing.hsadminng.service.accessfilter.Role;
 import org.hostsharing.hsadminng.service.accessfilter.SecurityContextMock;
-
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -35,6 +27,11 @@ import org.springframework.test.context.junit4.SpringRunner;
 import java.io.IOException;
 import java.util.Optional;
 
+import static org.apache.commons.lang3.tuple.ImmutablePair.of;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assert.assertEquals;
+import static org.mockito.BDDMockito.given;
+
 @JsonTest
 @SpringBootTest(
         classes = {
@@ -45,9 +42,9 @@ import java.util.Optional;
 @RunWith(SpringRunner.class)
 public class UserRoleAssignmentUnitTest {
 
-    public static final long USER_ROLE_ASSIGNMENT_ID = 1234L;
+    private static final long USER_ROLE_ASSIGNMENT_ID = 1234L;
-    public static final long CUSTOMER_ID = 888L;
+    private static final long CUSTOMER_ID = 888L;
-    public static final long USER_ID = 42L;
+    private static final long USER_ID = 42L;
 
     @Rule
     public MockitoRule mockito = MockitoJUnit.rule();
@@ -75,7 +72,11 @@ public class UserRoleAssignmentUnitTest {
     public void testSerializationAsContractualCustomerContact() throws JsonProcessingException {
 
         // given
-        securityContext.havingAuthenticatedUser().withRole(CustomerDTO.class, CUSTOMER_ID, Role.CUSTOMER_CONTRACTUAL_CONTACT);
+        securityContext.havingAuthenticatedUser()
+                .withRole(
+                        CustomerDTO.class,
+                        CUSTOMER_ID,
+                        Role.CustomerContractualContact.ROLE);
         UserRoleAssignment given = createSomeUserRoleAssignment(USER_ROLE_ASSIGNMENT_ID);
 
         // when
@@ -89,7 +90,7 @@ public class UserRoleAssignmentUnitTest {
     public void testSerializationAsSupporter() throws JsonProcessingException {
 
         // given
-        securityContext.havingAuthenticatedUser().withAuthority(AuthoritiesConstants.SUPPORTER);
+        securityContext.havingAuthenticatedUser().withAuthority(Role.Supporter.ROLE.authority());
         UserRoleAssignment given = createSomeUserRoleAssignment(USER_ROLE_ASSIGNMENT_ID);
 
         // when
@@ -102,7 +103,7 @@ public class UserRoleAssignmentUnitTest {
     @Test
     public void testDeserializeAsAdmin() throws IOException {
         // given
-        securityContext.havingAuthenticatedUser().withAuthority(AuthoritiesConstants.ADMIN);
+        securityContext.havingAuthenticatedUser().withAuthority(Role.Admin.ROLE.authority());
         given(userRoleAssignmentRepository.findById(USER_ROLE_ASSIGNMENT_ID))
                 .willReturn(Optional.of(new UserRoleAssignment().id(USER_ROLE_ASSIGNMENT_ID)));
         final User expectedUser = new User().id(USER_ID);
@@ -115,7 +116,7 @@ public class UserRoleAssignmentUnitTest {
                         "user",
                         JSonBuilder.asJSon(
                                 of("id", USER_ID))),
-                of("assignedRole", Role.CUSTOMER_TECHNICAL_CONTACT.name()));
+                of("assignedRole", Role.CustomerTechnicalContact.ROLE.name()));
 
         // when
         UserRoleAssignment actual = objectMapper.readValue(json, UserRoleAssignment.class);
@@ -125,11 +126,17 @@ public class UserRoleAssignmentUnitTest {
         expected.setId(USER_ROLE_ASSIGNMENT_ID);
         expected.setEntityTypeId(Customer.ENTITY_TYPE_ID);
         expected.setEntityObjectId(CUSTOMER_ID);
-        expected.setAssignedRole(Role.CUSTOMER_TECHNICAL_CONTACT);
+        expected.setAssignedRole(Role.CustomerTechnicalContact.ROLE);
         expected.setUser(expectedUser);
         assertThat(actual).isEqualToComparingFieldByField(expected);
     }
 
+    @Test
+    public void getAssignedRoleHandlesNullValue() {
+        assertThat(new UserRoleAssignment().assignedRole(null).getAssignedRole()).isNull();
+        assertThat(new UserRoleAssignment().assignedRole(Role.Admin.ROLE).getAssignedRole()).isEqualTo(Role.Admin.ROLE);
+    }
+
     // --- only test fixture below ---
 
     public static String createExpectedJSon(UserRoleAssignment dto) {
@@ -148,7 +155,7 @@ public class UserRoleAssignmentUnitTest {
         given.setEntityTypeId(Customer.ENTITY_TYPE_ID);
         given.setEntityObjectId(CUSTOMER_ID);
         given.setUser(new User().id(USER_ID));
-        given.setAssignedRole(Role.CUSTOMER_TECHNICAL_CONTACT);
+        given.setAssignedRole(Role.CustomerTechnicalContact.ROLE);
         return given;
     }
 }

src/test/java/org/hostsharing/hsadminng/web/rest/AssetResourceIntTest.java

@@ -1,26 +1,19 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.web.rest;
 
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.hamcrest.Matchers.hasItem;
-import static org.hostsharing.hsadminng.web.rest.TestUtil.createFormattingConversionService;
-import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
-
 import org.hostsharing.hsadminng.HsadminNgApp;
 import org.hostsharing.hsadminng.domain.Asset;
 import org.hostsharing.hsadminng.domain.Membership;
 import org.hostsharing.hsadminng.domain.enumeration.AssetAction;
 import org.hostsharing.hsadminng.repository.AssetRepository;
-import org.hostsharing.hsadminng.security.AuthoritiesConstants;
 import org.hostsharing.hsadminng.service.AssetQueryService;
 import org.hostsharing.hsadminng.service.AssetService;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
+import org.hostsharing.hsadminng.service.accessfilter.Role;
 import org.hostsharing.hsadminng.service.accessfilter.SecurityContextMock;
 import org.hostsharing.hsadminng.service.dto.AssetDTO;
 import org.hostsharing.hsadminng.service.mapper.AssetMapper;
 import org.hostsharing.hsadminng.web.rest.errors.ExceptionTranslator;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -37,13 +30,18 @@ import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.validation.Validator;
 
+import javax.persistence.EntityManager;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.time.LocalDate;
 import java.time.ZoneId;
 import java.util.List;
 
-import javax.persistence.EntityManager;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.hamcrest.Matchers.hasItem;
+import static org.hostsharing.hsadminng.web.rest.TestUtil.createFormattingConversionService;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
 
 /**
  * Test class for the AssetResource REST controller.
@@ -107,7 +105,7 @@ public class AssetResourceIntTest {
     public void setup() {
         SecurityContextMock.usingMock(userRoleAssignmentService)
                 .havingAuthenticatedUser()
-                .withAuthority(AuthoritiesConstants.ADMIN);
+                .withAuthority(Role.Admin.ROLE.authority());
 
         MockitoAnnotations.initMocks(this);
         final AssetResource assetResource = new AssetResource(assetService, assetQueryService);

src/test/java/org/hostsharing/hsadminng/web/rest/ShareResourceIntTest.java

@@ -1,26 +1,19 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.web.rest;
 
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.hamcrest.Matchers.hasItem;
-import static org.hostsharing.hsadminng.web.rest.TestUtil.createFormattingConversionService;
-import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
-
 import org.hostsharing.hsadminng.HsadminNgApp;
 import org.hostsharing.hsadminng.domain.Membership;
 import org.hostsharing.hsadminng.domain.Share;
 import org.hostsharing.hsadminng.domain.enumeration.ShareAction;
 import org.hostsharing.hsadminng.repository.ShareRepository;
-import org.hostsharing.hsadminng.security.AuthoritiesConstants;
 import org.hostsharing.hsadminng.service.ShareQueryService;
 import org.hostsharing.hsadminng.service.ShareService;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
+import org.hostsharing.hsadminng.service.accessfilter.Role;
 import org.hostsharing.hsadminng.service.accessfilter.SecurityContextMock;
 import org.hostsharing.hsadminng.service.dto.ShareDTO;
 import org.hostsharing.hsadminng.service.mapper.ShareMapper;
 import org.hostsharing.hsadminng.web.rest.errors.ExceptionTranslator;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -37,11 +30,16 @@ import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.validation.Validator;
 
+import javax.persistence.EntityManager;
 import java.time.LocalDate;
 import java.time.ZoneId;
 import java.util.List;
 
-import javax.persistence.EntityManager;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.hamcrest.Matchers.hasItem;
+import static org.hostsharing.hsadminng.web.rest.TestUtil.createFormattingConversionService;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
 
 /**
  * Test class for the ShareResource REST controller.
@@ -105,7 +103,7 @@ public class ShareResourceIntTest {
     public void setup() {
         SecurityContextMock.usingMock(userRoleAssignmentService)
                 .havingAuthenticatedUser()
-                .withAuthority(AuthoritiesConstants.ADMIN);
+                .withAuthority(Role.Admin.ROLE.authority());
 
         MockitoAnnotations.initMocks(this);
         final ShareResource shareResource = new ShareResource(shareService, shareQueryService);

src/test/java/org/hostsharing/hsadminng/web/rest/UserRoleAssignmentResourceIntTest.java

@@ -1,23 +1,18 @@
 // Licensed under Apache-2.0
 package org.hostsharing.hsadminng.web.rest;
 
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.hamcrest.Matchers.hasItem;
-import static org.hostsharing.hsadminng.web.rest.TestUtil.createFormattingConversionService;
-import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
-
 import org.hostsharing.hsadminng.HsadminNgApp;
 import org.hostsharing.hsadminng.domain.User;
 import org.hostsharing.hsadminng.domain.UserRoleAssignment;
 import org.hostsharing.hsadminng.repository.UserRoleAssignmentRepository;
-import org.hostsharing.hsadminng.security.AuthoritiesConstants;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentQueryService;
 import org.hostsharing.hsadminng.service.UserRoleAssignmentService;
 import org.hostsharing.hsadminng.service.accessfilter.Role;
+import org.hostsharing.hsadminng.service.accessfilter.Role.Admin;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerContractualContact;
+import org.hostsharing.hsadminng.service.accessfilter.Role.CustomerTechnicalContact;
 import org.hostsharing.hsadminng.service.accessfilter.SecurityContextFake;
 import org.hostsharing.hsadminng.web.rest.errors.ExceptionTranslator;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -33,9 +28,14 @@ import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.validation.Validator;
 
+import javax.persistence.EntityManager;
 import java.util.List;
 
-import javax.persistence.EntityManager;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.hamcrest.Matchers.hasItem;
+import static org.hostsharing.hsadminng.web.rest.TestUtil.createFormattingConversionService;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
 
 /**
  * Test class for the UserRoleAssignmentResource REST controller.
@@ -43,7 +43,7 @@ import javax.persistence.EntityManager;
  * @see UserRoleAssignmentResource
  */
 @RunWith(SpringRunner.class)
-@SpringBootTest(classes = HsadminNgApp.class)
+@SpringBootTest(classes = { HsadminNgApp.class })
 public class UserRoleAssignmentResourceIntTest {
 
     private static final String DEFAULT_ENTITY_TYPE_ID = "AAAAAAAAAA";
@@ -52,8 +52,8 @@ public class UserRoleAssignmentResourceIntTest {
     private static final Long DEFAULT_ENTITY_OBJECT_ID = 1L;
     private static final Long UPDATED_ENTITY_OBJECT_ID = 2L;
 
-    private static final Role DEFAULT_ASSIGNED_ROLE = Role.HOSTMASTER;
+    private static final Role DEFAULT_ASSIGNED_ROLE = CustomerTechnicalContact.ROLE;
-    private static final Role UPDATED_ASSIGNED_ROLE = Role.ADMIN;
+    private static final Role UPDATED_ASSIGNED_ROLE = CustomerContractualContact.ROLE;
 
     @Autowired
     private UserRoleAssignmentRepository userRoleAssignmentRepository;
@@ -97,7 +97,7 @@ public class UserRoleAssignmentResourceIntTest {
                 .setValidator(validator)
                 .build();
 
-        SecurityContextFake.havingAuthenticatedUser().withAuthority(AuthoritiesConstants.SUPPORTER);
+        SecurityContextFake.havingAuthenticatedUser().withAuthority(Role.Supporter.ROLE.authority());
     }
 
     /**
@@ -110,12 +110,11 @@ public class UserRoleAssignmentResourceIntTest {
         User user = UserResourceIntTest.createEntity(em);
         em.persist(user);
         em.flush();
-        UserRoleAssignment userRoleAssignment = new UserRoleAssignment()
+        return new UserRoleAssignment()
                 .entityTypeId(DEFAULT_ENTITY_TYPE_ID)
                 .entityObjectId(DEFAULT_ENTITY_OBJECT_ID)
                 .user(user)
                 .assignedRole(DEFAULT_ASSIGNED_ROLE);
-        return userRoleAssignment;
     }
 
     @Before
@@ -129,7 +128,7 @@ public class UserRoleAssignmentResourceIntTest {
         int databaseSizeBeforeCreate = userRoleAssignmentRepository.findAll().size();
 
         // Create the UserRoleAssignment
-        SecurityContextFake.havingAuthenticatedUser().withAuthority(AuthoritiesConstants.ADMIN);
+        SecurityContextFake.havingAuthenticatedUser().withAuthority(Admin.ROLE.authority());
         restUserRoleAssignmentMockMvc.perform(
                 post("/api/user-role-assignments")
                         .contentType(TestUtil.APPLICATION_JSON_UTF8)
@@ -142,6 +141,7 @@ public class UserRoleAssignmentResourceIntTest {
         UserRoleAssignment testUserRoleAssignment = userRoleAssignmentList.get(userRoleAssignmentList.size() - 1);
         assertThat(testUserRoleAssignment.getEntityTypeId()).isEqualTo(DEFAULT_ENTITY_TYPE_ID);
         assertThat(testUserRoleAssignment.getEntityObjectId()).isEqualTo(DEFAULT_ENTITY_OBJECT_ID);
+        assertThat(testUserRoleAssignment.getAssignedRole().name()).isEqualTo(DEFAULT_ASSIGNED_ROLE.name());
         assertThat(testUserRoleAssignment.getAssignedRole()).isEqualTo(DEFAULT_ASSIGNED_ROLE);
     }
 
@@ -233,9 +233,9 @@ public class UserRoleAssignmentResourceIntTest {
                 .andExpect(status().isOk())
                 .andExpect(content().contentType(MediaType.APPLICATION_JSON_UTF8_VALUE))
                 .andExpect(jsonPath("$.[*].id").value(hasItem(userRoleAssignment.getId().intValue())))
-                .andExpect(jsonPath("$.[*].entityTypeId").value(hasItem(DEFAULT_ENTITY_TYPE_ID.toString())))
+                .andExpect(jsonPath("$.[*].entityTypeId").value(hasItem(DEFAULT_ENTITY_TYPE_ID)))
                 .andExpect(jsonPath("$.[*].entityObjectId").value(hasItem(DEFAULT_ENTITY_OBJECT_ID.intValue())))
-                .andExpect(jsonPath("$.[*].assignedRole").value(hasItem(DEFAULT_ASSIGNED_ROLE.toString())));
+                .andExpect(jsonPath("$.[*].assignedRole").value(hasItem(DEFAULT_ASSIGNED_ROLE.name())));
     }
 
     @Test
@@ -249,9 +249,9 @@ public class UserRoleAssignmentResourceIntTest {
                 .andExpect(status().isOk())
                 .andExpect(content().contentType(MediaType.APPLICATION_JSON_UTF8_VALUE))
                 .andExpect(jsonPath("$.id").value(userRoleAssignment.getId().intValue()))
-                .andExpect(jsonPath("$.entityTypeId").value(DEFAULT_ENTITY_TYPE_ID.toString()))
+                .andExpect(jsonPath("$.entityTypeId").value(DEFAULT_ENTITY_TYPE_ID))
                 .andExpect(jsonPath("$.entityObjectId").value(DEFAULT_ENTITY_OBJECT_ID.intValue()))
-                .andExpect(jsonPath("$.assignedRole").value(DEFAULT_ASSIGNED_ROLE.toString()));
+                .andExpect(jsonPath("$.assignedRole").value(DEFAULT_ASSIGNED_ROLE.name()));
     }
 
     @Test
@@ -366,10 +366,10 @@ public class UserRoleAssignmentResourceIntTest {
         userRoleAssignmentRepository.saveAndFlush(userRoleAssignment);
 
         // Get all the userRoleAssignmentList where assignedRole equals to DEFAULT_ASSIGNED_ROLE
-        defaultUserRoleAssignmentShouldBeFound("assignedRole.equals=" + DEFAULT_ASSIGNED_ROLE);
+        defaultUserRoleAssignmentShouldBeFound("assignedRole.equals=" + DEFAULT_ASSIGNED_ROLE.name());
 
         // Get all the userRoleAssignmentList where assignedRole equals to UPDATED_ASSIGNED_ROLE
-        defaultUserRoleAssignmentShouldNotBeFound("assignedRole.equals=" + UPDATED_ASSIGNED_ROLE);
+        defaultUserRoleAssignmentShouldNotBeFound("assignedRole.equals=" + UPDATED_ASSIGNED_ROLE.name());
     }
 
     @Test
@@ -379,10 +379,11 @@ public class UserRoleAssignmentResourceIntTest {
         userRoleAssignmentRepository.saveAndFlush(userRoleAssignment);
 
         // Get all the userRoleAssignmentList where assignedRole in DEFAULT_ASSIGNED_ROLE or UPDATED_ASSIGNED_ROLE
-        defaultUserRoleAssignmentShouldBeFound("assignedRole.in=" + DEFAULT_ASSIGNED_ROLE + "," + UPDATED_ASSIGNED_ROLE);
+        defaultUserRoleAssignmentShouldBeFound(
+                "assignedRole.in=" + DEFAULT_ASSIGNED_ROLE.name() + "," + UPDATED_ASSIGNED_ROLE.name());
 
         // Get all the userRoleAssignmentList where assignedRole equals to UPDATED_ASSIGNED_ROLE
-        defaultUserRoleAssignmentShouldNotBeFound("assignedRole.in=" + UPDATED_ASSIGNED_ROLE);
+        defaultUserRoleAssignmentShouldNotBeFound("assignedRole.in=" + UPDATED_ASSIGNED_ROLE.name());
     }
 
     @Test
@@ -426,7 +427,7 @@ public class UserRoleAssignmentResourceIntTest {
                 .andExpect(jsonPath("$.[*].id").value(hasItem(userRoleAssignment.getId().intValue())))
                 .andExpect(jsonPath("$.[*].entityTypeId").value(hasItem(DEFAULT_ENTITY_TYPE_ID)))
                 .andExpect(jsonPath("$.[*].entityObjectId").value(hasItem(DEFAULT_ENTITY_OBJECT_ID.intValue())))
-                .andExpect(jsonPath("$.[*].assignedRole").value(hasItem(DEFAULT_ASSIGNED_ROLE.toString())));
+                .andExpect(jsonPath("$.[*].assignedRole").value(hasItem(DEFAULT_ASSIGNED_ROLE.name())));
 
         // Check, that the count call also returns 1
         restUserRoleAssignmentMockMvc.perform(get("/api/user-role-assignments/count?sort=id,desc&" + filter))
@@ -469,7 +470,7 @@ public class UserRoleAssignmentResourceIntTest {
         int databaseSizeBeforeUpdate = userRoleAssignmentRepository.findAll().size();
 
         // Update the userRoleAssignment
-        SecurityContextFake.havingAuthenticatedUser().withAuthority(AuthoritiesConstants.ADMIN);
+        SecurityContextFake.havingAuthenticatedUser().withAuthority(Admin.ROLE.authority());
         UserRoleAssignment updatedUserRoleAssignment = userRoleAssignmentRepository.findById(userRoleAssignment.getId()).get();
         // Disconnect from session so that the updates on updatedUserRoleAssignment are not directly saved in db
         em.detach(updatedUserRoleAssignment);
@@ -490,6 +491,7 @@ public class UserRoleAssignmentResourceIntTest {
         UserRoleAssignment testUserRoleAssignment = userRoleAssignmentList.get(userRoleAssignmentList.size() - 1);
         assertThat(testUserRoleAssignment.getEntityTypeId()).isEqualTo(UPDATED_ENTITY_TYPE_ID);
         assertThat(testUserRoleAssignment.getEntityObjectId()).isEqualTo(UPDATED_ENTITY_OBJECT_ID);
+        assertThat(testUserRoleAssignment.getAssignedRole().name()).isEqualTo(UPDATED_ASSIGNED_ROLE.name());
         assertThat(testUserRoleAssignment.getAssignedRole()).isEqualTo(UPDATED_ASSIGNED_ROLE);
     }