/*
* 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.injection.producer.ejb;
import java.lang.reflect.Constructor;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import javax.enterprise.context.spi.CreationalContext;
import org.jboss.weld.annotated.enhanced.EnhancedAnnotatedType;
import org.jboss.weld.bean.SessionBean;
import org.jboss.weld.bean.proxy.EnterpriseBeanProxyMethodHandler;
import org.jboss.weld.bean.proxy.EnterpriseProxyFactory;
import org.jboss.weld.bean.proxy.EnterpriseTargetBeanInstance;
import org.jboss.weld.bean.proxy.InjectionPointPropagatingEnterpriseTargetBeanInstance;
import org.jboss.weld.bean.proxy.ProxyFactory;
import org.jboss.weld.exceptions.WeldException;
import org.jboss.weld.injection.producer.Instantiator;
import org.jboss.weld.logging.BeanLogger;
import org.jboss.weld.manager.BeanManagerImpl;
import org.jboss.weld.security.NewInstanceAction;
/**
* Instantiator implementation that instantiates a proxy for a session bean.
*
* @author Jozef Hartinger
*/
public class SessionBeanProxyInstantiator<T> implements Instantiator<T> {
private final Class<T> proxyClass;
private final SessionBean<T> bean;
public SessionBeanProxyInstantiator(EnhancedAnnotatedType<T> type, SessionBean<T> bean) {
this.bean = bean;
this.proxyClass = new EnterpriseProxyFactory<T>(type.getJavaClass(), bean).getProxyClass();
}
@Override
public T newInstance(CreationalContext<T> ctx, BeanManagerImpl manager) {
try {
T instance = AccessController.doPrivileged(NewInstanceAction.of(proxyClass));
ctx.push(instance);
ProxyFactory.setBeanInstance(bean.getBeanManager().getContextId(), instance, createEnterpriseTargetBeanInstance(), bean);
return instance;
} catch (PrivilegedActionException e) {
if (e.getCause() instanceof InstantiationException) {
throw new WeldException(BeanLogger.LOG.proxyInstantiationFailed(this), e.getCause());
} else if (e.getCause() instanceof IllegalAccessException) {
throw new WeldException(BeanLogger.LOG.proxyInstantiationBeanAccessFailed(this), e.getCause());
} else {
throw new WeldException(e.getCause());
}
} catch (Exception e) {
throw BeanLogger.LOG.ejbNotFound(proxyClass, e);
}
}
protected EnterpriseTargetBeanInstance createEnterpriseTargetBeanInstance() {
return new InjectionPointPropagatingEnterpriseTargetBeanInstance(bean.getBeanClass(), new EnterpriseBeanProxyMethodHandler<T>(bean), bean.getBeanManager());
}
@Override
public boolean hasInterceptorSupport() {
return false;
}
@Override
public boolean hasDecoratorSupport() {
return false;
}
public SessionBean<T> getBean() {
return bean;
}
@Override
public Constructor<T> getConstructor() {
return null; // not relevant
}
}