com.sun.ejb.containers.EJBObjectInvocationHandlerDelegate Maven / Gradle / Ivy
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/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.ejb.containers;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
/**
* This class is used as a "proxy" or adapter between the remote business
* interface proxy and the EJBObjectInvocationHandler. An instance of this
* class is created for each remote business interface of a bean. All
* java.lang.Object methods are handled by this InvocationHandler itself
* while the business interface methods are delegated to the delegate
* (which is the EJBObjectInvocaionHandler).
*
* @author Kenneth Saks
*
*/
public class EJBObjectInvocationHandlerDelegate
implements InvocationHandler {
private Class remoteBusinessIntfClass;
private EJBObjectInvocationHandler delegate;
EJBObjectInvocationHandlerDelegate(Class intfClass,
EJBObjectInvocationHandler delegate) {
this.remoteBusinessIntfClass = intfClass;
this.delegate = delegate;
}
public Object invoke(Object proxy, Method method, Object[] args)
throws Throwable {
Class methodClass = method.getDeclaringClass();
Object result = null;
if( methodClass == java.lang.Object.class ) {
result = InvocationHandlerUtil.invokeJavaObjectMethod
(this, method, args);
} else {
result = delegate.invoke(remoteBusinessIntfClass, method, args);
}
return result;
}
}