feature/use-case-acceptance-tests-2 #117
@ -6,6 +6,7 @@ import java.net.URLEncoder;
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import java.nio.charset.StandardCharsets;
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import java.util.Arrays;
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import java.util.Map;
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import java.util.Objects;
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import java.util.regex.Pattern;
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import java.util.stream.Collectors;
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@ -121,19 +122,24 @@ public class TemplateResolver {
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skipChar('}');
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}
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private Object propVal(final String name) {
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if (name.endsWith(IF_NOT_FOUND_SYMBOL)) {
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final String pureName = name.substring(0, name.length() - IF_NOT_FOUND_SYMBOL.length());
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private Object propVal(final String nameExpression) {
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if (nameExpression.endsWith(IF_NOT_FOUND_SYMBOL)) {
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final String pureName = nameExpression.substring(0, nameExpression.length() - IF_NOT_FOUND_SYMBOL.length());
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return properties.get(pureName);
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} else if (name.contains(IF_NOT_FOUND_SYMBOL)) {
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final var parts = StringUtils.split(name, IF_NOT_FOUND_SYMBOL);
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final var head = properties.get(parts[0]);
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final var tail = properties.get(parts[1]);
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return head != null ? head : tail; // FIXME: What if tail is null as well?
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} else if (nameExpression.contains(IF_NOT_FOUND_SYMBOL)) {
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final var parts = StringUtils.split(nameExpression, IF_NOT_FOUND_SYMBOL);
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return Arrays.stream(parts).filter(Objects::nonNull).findFirst().orElseGet(() -> {
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if ( parts[parts.length-1].isEmpty() ) {
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// => whole expression ends with IF_NOT_FOUND_SYMBOL, thus last null element was optional
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return null;
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}
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// => last alternative element in expression was null and not optional
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throw new IllegalStateException("Missing required value in property-chain: " + nameExpression);
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});
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} else {
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final var val = properties.get(name);
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final var val = properties.get(nameExpression);
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if (val == null) {
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throw new IllegalStateException("Missing required property: " + name);
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throw new IllegalStateException("Missing required property: " + nameExpression);
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}
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return val;
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}
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