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* JBoss, Home of Professional Open Source
* Copyright 2012, 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.tests.decorators.broken;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.Collections;
import java.util.Set;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.event.Observes;
import javax.enterprise.inject.spi.AfterBeanDiscovery;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanAttributes;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.inject.spi.Decorator;
import javax.enterprise.inject.spi.Extension;
import javax.enterprise.inject.spi.InjectionPoint;
import org.jboss.weld.injection.ForwardingInjectionPoint;
import org.jboss.weld.literal.AnyLiteral;
import org.jboss.weld.util.bean.ForwardingBeanAttributes;
public class GlueDecoratorExtension implements Extension {
void registerDecorator(@Observes AfterBeanDiscovery event, BeanManager manager) {
AnnotatedType<GlueDecorator> annotatedType = manager.createAnnotatedType(GlueDecorator.class);
final BeanAttributes<GlueDecorator> attributes = manager.createBeanAttributes(annotatedType);
final InjectionPoint delegateInjectionPoint = manager.createInjectionPoint(annotatedType.getConstructors().iterator()
.next().getParameters().get(0));
Decorator<GlueDecorator> decorator = new DecoratorImpl<GlueDecorator>() {
@Override
public Type getDelegateType() {
return Glue.class;
}
@Override
public Set<Annotation> getDelegateQualifiers() {
return Collections.<Annotation> singleton(AnyLiteral.INSTANCE);
}
@Override
public Set<Type> getDecoratedTypes() {
return Collections.emptySet();
}
@Override
public Class<?> getBeanClass() {
return GlueDecorator.class;
}
@Override
public Set<InjectionPoint> getInjectionPoints() {
final Decorator<GlueDecorator> decorator = this;
InjectionPoint wrappedInjectionPoint = new ForwardingInjectionPoint() {
@Override
public Bean<?> getBean() {
return decorator;
}
@Override
protected InjectionPoint delegate() {
return delegateInjectionPoint;
}
};
return Collections.singleton(wrappedInjectionPoint);
}
@Override
public GlueDecorator create(CreationalContext<GlueDecorator> creationalContext) {
return new GlueDecorator(null);
}
@Override
public void destroy(GlueDecorator instance, CreationalContext<GlueDecorator> creationalContext) {
creationalContext.release();
}
@Override
protected BeanAttributes<GlueDecorator> attributes() {
return attributes;
}
};
event.addBean(decorator);
}
private abstract static class DecoratorImpl<T> extends ForwardingBeanAttributes<T> implements Decorator<T> {
@Override
public boolean isNullable() {
return false;
}
}
}