/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.weld.util.annotated;
import java.lang.annotation.Annotation;
import java.util.Set;
import javax.enterprise.inject.spi.AnnotatedType;
import org.jboss.weld.util.collections.ImmutableSet;
import org.jboss.weld.util.reflection.Reflections;
public class AnnotatedTypeWrapper<T> extends ForwardingAnnotatedType<T> {
private final AnnotatedType<T> delegate;
private final Set<Annotation> annotations;
public AnnotatedTypeWrapper(AnnotatedType<T> delegate, Annotation... additionalAnnotations) {
this(delegate, true, additionalAnnotations);
}
public AnnotatedTypeWrapper(AnnotatedType<T> delegate, boolean keepOriginalAnnotations, Annotation... additionalAnnotations) {
this.delegate = delegate;
ImmutableSet.Builder<Annotation> builder = ImmutableSet.<Annotation> builder();
if (keepOriginalAnnotations) {
builder.addAll(delegate.getAnnotations());
}
for (Annotation annotation : additionalAnnotations) {
builder.add(annotation);
}
this.annotations = builder.build();
}
@Override
public AnnotatedType<T> delegate() {
return delegate;
}
@Override
public <A extends Annotation> A getAnnotation(Class<A> annotationType) {
for (Annotation annotation : annotations) {
if (annotation.annotationType().equals(annotationType)) {
return Reflections.cast(annotation);
}
}
return null;
}
@Override
public Set<Annotation> getAnnotations() {
return annotations;
}
@Override
public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) {
return getAnnotation(annotationType) != null;
}
}