/*
* 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.bean.builtin;
import java.io.Serializable;
import javax.enterprise.context.spi.Contextual;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.InjectionPoint;
import org.jboss.weld.bean.BeanIdentifiers;
import org.jboss.weld.bean.StringBeanIdentifier;
import org.jboss.weld.manager.BeanManagerImpl;
import org.jboss.weld.serialization.spi.BeanIdentifier;
import org.jboss.weld.util.bean.SerializableForwardingBean;
import org.jboss.weld.util.reflection.Reflections;
/**
* Allows a bean to obtain information about itself.
*
* @author Jozef Hartinger
* @see CDI-92
*/
public class BeanMetadataBean extends AbstractBuiltInMetadataBean<Bean<?>> {
public BeanMetadataBean(BeanManagerImpl beanManager) {
this(new StringBeanIdentifier(BeanIdentifiers.forBuiltInBean(beanManager, Bean.class, null)), beanManager);
}
protected BeanMetadataBean(BeanIdentifier identifier, BeanManagerImpl beanManager) {
super(identifier, Reflections.<Class<Bean<?>>> cast(Bean.class), beanManager);
}
@Override
protected Bean<?> newInstance(InjectionPoint ip, CreationalContext<Bean<?>> creationalContext) {
Contextual<?> contextual = getParentCreationalContext(creationalContext).getContextual();
if (contextual instanceof Bean<?>) {
if (contextual instanceof Serializable) {
return Reflections.cast(contextual);
} else {
return SerializableForwardingBean.of(getBeanManager().getContextId(), (Bean<?>) contextual);
}
} else {
throw new IllegalArgumentException("Unable to determine Bean metadata for " + ip);
}
}
}