protected ConfigurationMetadata writeMetaData() {
ConfigurationMetadata metadata = this.metadataCollector.getMetadata();
metadata = mergeAdditionalMetadata(metadata);
if (!metadata.getItems().isEmpty()) {
try {
this.metadataStore.writeMetadata(metadata);
} catch (IOException ex) {
throw new IllegalStateException("Failed to write metadata", ex);
}
return metadata;
}
return null;
}
private ConfigurationMetadata mergeAdditionalMetadata(ConfigurationMetadata metadata) {
try {
ConfigurationMetadata merged = new ConfigurationMetadata(metadata);
merged.merge(this.metadataStore.readAdditionalMetadata());
return merged;
} catch (FileNotFoundException ex) {
// No additional metadata
} catch (InvalidConfigurationMetadataException ex) {
log(ex.getKind(), ex.getMessage());
} catch (Exception ex) {
logWarning("Unable to merge additional metadata");
logWarning(getStackTrace(ex));
}
return metadata;
}
private void processNestedType(
String prefix,
TypeElement element,
ExecutableElement source,
String name,
ExecutableElement getter,
VariableElement field,
TypeMirror returnType) {
Element returnElement = this.processingEnv.getTypeUtils().asElement(returnType);
boolean isNested = isNested(returnElement, field, element);
AnnotationMirror annotation = getAnnotation(getter, configurationPropertiesAnnotation());
if (returnElement != null
&& returnElement instanceof TypeElement
&& annotation == null
&& isNested) {
String nestedPrefix = ConfigurationMetadata.nestedPrefix(prefix, name);
this.metadataCollector.add(
ItemMetadata.newGroup(
nestedPrefix,
this.typeUtils.getType(returnElement),
this.typeUtils.getType(element),
(getter == null ? null : getter.toString())));
processTypeElement(nestedPrefix, (TypeElement) returnElement, source);
}
}