package org.springframework.roo.classpath.details;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.apache.commons.lang3.Validate;
import org.springframework.roo.classpath.details.annotations.AnnotationMetadata;
import org.springframework.roo.model.CustomData;
import org.springframework.roo.model.JavaType;
import org.springframework.roo.support.util.CollectionUtils;
/**
* Abstract class for {@link IdentifiableAnnotatedJavaStructure} subclasses.
*
* @author Ben Alex
* @since 1.1
*/
public abstract class AbstractIdentifiableAnnotatedJavaStructureProvider extends
AbstractIdentifiableJavaStructureProvider implements
IdentifiableAnnotatedJavaStructure {
private final List<AnnotationMetadata> annotations = new ArrayList<AnnotationMetadata>();
/**
* Constructor
*
* @param customData
* @param declaredByMetadataId
* @param modifier
* @param annotations can be <code>null</code> for none
*/
protected AbstractIdentifiableAnnotatedJavaStructureProvider(
final CustomData customData, final String declaredByMetadataId,
final int modifier, final Collection<AnnotationMetadata> annotations) {
super(customData, declaredByMetadataId, modifier);
CollectionUtils.populate(this.annotations, annotations);
}
public AnnotationMetadata getAnnotation(final JavaType type) {
Validate.notNull(type, "Annotation type to locate required");
for (final AnnotationMetadata md : getAnnotations()) {
if (md.getAnnotationType().equals(type)) {
return md;
}
}
return null;
}
public List<AnnotationMetadata> getAnnotations() {
return Collections.unmodifiableList(annotations);
}
public AnnotationMetadata getTypeAnnotation(final JavaType annotationType) {
Validate.notNull(annotationType, "Annotation type required");
IdentifiableAnnotatedJavaStructure current = this;
while (current != null) {
final AnnotationMetadata result = current
.getAnnotation(annotationType);
if (result != null) {
return result;
}
if (current instanceof ClassOrInterfaceTypeDetails) {
current = ((ClassOrInterfaceTypeDetails) current)
.getSuperclass();
}
else {
current = null;
}
}
return null;
}
}