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* 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.tests.decorators.custom;
import java.lang.annotation.Annotation;
import java.lang.reflect.Member;
import java.lang.reflect.Type;
import java.util.Collections;
import java.util.Set;
import javax.enterprise.context.Dependent;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Annotated;
import javax.enterprise.inject.spi.AnnotatedField;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.inject.spi.Decorator;
import javax.enterprise.inject.spi.InjectionPoint;
import org.jboss.weld.annotated.enhanced.EnhancedAnnotatedField;
import org.jboss.weld.annotated.enhanced.EnhancedAnnotatedType;
import org.jboss.weld.annotated.slim.AnnotatedTypeIdentifier;
import org.jboss.weld.bootstrap.api.helpers.RegistrySingletonProvider;
import org.jboss.weld.literal.DefaultLiteral;
import org.jboss.weld.metadata.TypeStore;
import org.jboss.weld.resources.ClassTransformer;
import org.jboss.weld.resources.ReflectionCacheFactory;
import org.jboss.weld.resources.SharedObjectCache;
/**
* @author Marius Bogoevici
*/
public class CustomDecorator implements Decorator<Object> {
private final Set<InjectionPoint> injectionPoints;
private BeanManager beanManager;
public CustomDecorator(BeanManager beanManager) {
this.beanManager = beanManager;
injectionPoints = Collections.singleton((InjectionPoint) new CustomInjectionPoint());
}
public Type getDelegateType() {
return Window.class;
}
public Set<Annotation> getDelegateQualifiers() {
return Collections.emptySet();
}
public Set<Type> getDecoratedTypes() {
return Collections.singleton((Type) Window.class);
}
public Set<Type> getTypes() {
return Collections.<Type> singleton(CustomWindowFrame.class);
}
public Set<Annotation> getQualifiers() {
return Collections.emptySet();
}
public Class<? extends Annotation> getScope() {
return Dependent.class;
}
public String getName() {
return null;
}
public Set<Class<? extends Annotation>> getStereotypes() {
return Collections.emptySet();
}
public Class<?> getBeanClass() {
return CustomWindowFrame.class;
}
public boolean isAlternative() {
return false;
}
public boolean isNullable() {
return false;
}
public Set<InjectionPoint> getInjectionPoints() {
return injectionPoints;
}
public Object create(CreationalContext<Object> creationalContext) {
CustomWindowFrame customFrame = new CustomWindowFrame();
customFrame.window = (Window) beanManager.getInjectableReference(injectionPoints.iterator().next(), creationalContext);
return customFrame;
}
public void destroy(Object instance, CreationalContext<Object> creationalContext) {
creationalContext.release();
}
class CustomInjectionPoint implements InjectionPoint {
private final EnhancedAnnotatedField<CustomWindowFrame, ?> windowField;
public CustomInjectionPoint() {
TypeStore ts = new TypeStore();
ClassTransformer transformer = new ClassTransformer(ts, new SharedObjectCache(), ReflectionCacheFactory.newInstance(ts), RegistrySingletonProvider.STATIC_INSTANCE);
EnhancedAnnotatedType<?> targetClass = transformer.getEnhancedAnnotatedType(CustomWindowFrame.class, AnnotatedTypeIdentifier.NULL_BDA_ID);
windowField = targetClass.getDeclaredEnhancedField("window");
}
public Type getType() {
return Window.class;
}
public Set<Annotation> getQualifiers() {
return Collections.<Annotation> singleton(DefaultLiteral.INSTANCE);
}
public Bean<?> getBean() {
return CustomDecorator.this;
}
public Member getMember() {
return ((AnnotatedField<?>) windowField).getJavaMember();
}
public Annotated getAnnotated() {
return windowField;
}
public boolean isDelegate() {
return true;
}
public boolean isTransient() {
return false;
}
}
}