/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.webbeans.component;
import java.lang.annotation.Annotation;
import java.lang.reflect.Modifier;
import javax.enterprise.context.spi.CreationalContext;
import javassist.util.proxy.ProxyObject;
import org.apache.webbeans.exception.WebBeansException;
import org.apache.webbeans.proxy.ResourceProxyHandler;
import org.apache.webbeans.spi.ResourceInjectionService;
import org.apache.webbeans.spi.api.ResourceReference;
public class ResourceBean<X, T extends Annotation> extends ProducerFieldBean<X>
{
private ResourceReference<X,T> resourceReference = null;
public ResourceBean(Class<X> returnType, InjectionTargetBean<?> ownerBean,
ResourceReference<X, T> resourceReference)
{
super(ownerBean, returnType);
this.resourceReference = resourceReference;
}
@Override
@SuppressWarnings("unchecked")
protected X createInstance(CreationalContext<X> creationalContext)
{
try
{
ResourceInjectionService resourceService = getWebBeansContext().getService(ResourceInjectionService.class);
X instance = resourceService.getResourceReference(resourceReference);
if (instance == null || Modifier.isFinal(instance.getClass().getModifiers()))
{
return instance;
}
X proxyInstance = (X) getWebBeansContext().getJavassistProxyFactory().getResourceBeanProxyClass(this).newInstance();
((ProxyObject) proxyInstance).setHandler(new ResourceProxyHandler(this,instance));
return proxyInstance;
}
catch (Exception e)
{
throw new WebBeansException(e);
}
}
/**
* Called after deserialization to get a new instance for some type of resource bean instance that are
* not serializable.
*
* @return a new instance of this resource bean.
*/
public X getActualInstance()
{
ResourceInjectionService resourceService = getWebBeansContext().getService(ResourceInjectionService.class);
X instance = resourceService.getResourceReference(resourceReference);
return instance;
}
public boolean isPassivationCapable()
{
return true;
}
}