/*
* 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.solder.bean.defaultbean;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.Set;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import org.jboss.solder.bean.Beans;
/**
* A helper class for implementing producer methods and fields on default beans
*
* @author Stuart Douglas
*/
abstract class AbstractDefaultProducerBean<T> extends AbstractDefaultBean<T> {
private static final Annotation[] NO_QUALIFIERS = {};
private final Type declaringBeanType;
private final Annotation[] declaringBeanQualifiers;
protected AbstractDefaultProducerBean(Bean<T> delegate, Type declaringBeanType, Set<Type> types, Set<Annotation> qualifiers, Set<Annotation> declaringBeanQualifiers, BeanManager beanManager) {
super(delegate, declaringBeanType, types, qualifiers, beanManager);
this.declaringBeanType = delegate.getBeanClass();
this.declaringBeanQualifiers = declaringBeanQualifiers.toArray(NO_QUALIFIERS);
}
protected Annotation[] getDeclaringBeanQualifiers() {
return declaringBeanQualifiers.clone();
}
protected Type getDeclaringBeanType() {
return declaringBeanType;
}
protected abstract T getValue(Object receiver, CreationalContext<T> creationalContext);
@Override
public T create(CreationalContext<T> creationalContext) {
Object receiver = getReceiver(creationalContext);
T instance = getValue(receiver, creationalContext);
Beans.checkReturnValue(instance, this, null, getBeanManager());
return instance;
}
protected Object getReceiver(CreationalContext<T> creationalContext) {
Bean<?> declaringBean = getBeanManager().resolve(getBeanManager().getBeans(getDeclaringBeanType(), declaringBeanQualifiers));
return getBeanManager().getReference(declaringBean, declaringBean.getBeanClass(), creationalContext);
}
}