hs.hsadmin/hsarback/src/de/hsadmin/remote/ModulePropertiesRemote.java

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package de.hsadmin.remote;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import de.hsadmin.core.model.AbstractEntity;
import de.hsadmin.core.model.AnnFieldIO;
import de.hsadmin.core.model.AuthenticationException;
import de.hsadmin.core.model.HSAdminException;
import de.hsadmin.core.model.ReadWriteAccess;
import de.hsadmin.core.model.Transaction;
public class ModulePropertiesRemote implements IRemote {
@Override
public List<Map<String, Object>> search(String runAsUser, String ticket,
Map<String, String> whereParams) throws HSAdminException {
String user = runAsUser;
List<Map<String, Object>> result = new ArrayList<Map<String,Object>>();
Transaction transaction = new Transaction(user);
try {
if (transaction.login(user, ticket)) {
InputStream resourceAsStream = getClass().getClassLoader().getResourceAsStream("org/apache/xmlrpc/webserver/XmlRpcServlet.properties");
Properties properties = new Properties();
properties.load(resourceAsStream);
for (Object moduleKey : properties.entrySet()) {
Class<?> remoteClass = Class.forName(properties.getProperty((String) moduleKey));
Object newInstance = remoteClass.newInstance();
if (newInstance instanceof AbstractRemote) {
Map<String,Object> modMap = new HashMap<String, Object>();
modMap.put("module", moduleKey);
AbstractRemote remote = (AbstractRemote) newInstance;
Class<? extends AbstractEntity> entityClass = remote.getEntityClass();
ArrayList<Map<String, Object>> propertiesList = new ArrayList<Map<String,Object>>();
modMap.put("properties", propertiesList);
// AnnFieldIO fieldIO = entityClass.getAnnotation(AnnFieldIO.class);
for (Field f: entityClass.getDeclaredFields()) {
HashMap<String, Object> propertyProperties = new HashMap<String, Object>();
propertiesList.add(propertyProperties);
AnnFieldIO fieldIO = f.getAnnotation(AnnFieldIO.class);
String fieldName = f.getName();
propertyProperties.put("property", fieldName);
String regExp = fieldIO.validation();
propertyProperties.put("validation", regExp);
ReadWriteAccess rw = fieldIO.rw();
propertyProperties.put("rw", rw.name());
String[] referredProps = fieldIO.referredProps();
propertyProperties.put("referredProps", referredProps);
Class<?> declaringClass = f.getDeclaringClass();
for(String s : referredProps){
String fullPropertyName = fieldName+"."+s;
propertiesList.add(createReferredPropertyInfo(fullPropertyName, declaringClass, fullPropertyName));
}
}
result.add(modMap);
}
}
return result;
} else {
throw new AuthenticationException("authentication failed");
}
} catch (Exception e) {
throw new HSAdminException(e);
} finally {
transaction.close();
}
}
private Map<String, Object> createReferredPropertyInfo(String fieldName, Class<?> declaringClass,
String propertyName) throws SecurityException, NoSuchFieldException {
int indexOfDot = propertyName.indexOf('.');
if (indexOfDot>=0) {
String prefix = propertyName.substring(0, indexOfDot);
String remainingPart = propertyName.substring(indexOfDot + 1);
return createReferredPropertyInfo(fieldName, declaringClass.getDeclaredField(prefix).getDeclaringClass(), remainingPart);
} else {
Map<String, Object> result = new HashMap<String, Object>();
result.put("property", fieldName);
return result;
}
}
@Override
public Map<String, Object> add(String runAsUser, String ticket,
Map<String, Object> setParams) throws HSAdminException {
throw new HSAdminException("not implemented");
}
@Override
public List<Map<String, Object>> update(String runAsUser, String ticket,
Map<String, Object> setParams, Map<String, String> whereParams)
throws HSAdminException {
throw new HSAdminException("not implemented");
}
@Override
public void delete(String runAsUser, String ticket,
Map<String, String> whereParams) throws HSAdminException {
throw new HSAdminException("not implemented");
}
}