/**
*
* Copyright 2003-2004 The Apache Software Foundation
*
* 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.apache.geronimo.proxy;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import org.apache.geronimo.core.service.Invocation;
import org.apache.geronimo.core.service.InvocationResult;
import org.apache.geronimo.core.service.Interceptor;
/**
* A local container that is a proxy for some other "real" container.
* This container is itself fairly unintelligent; you need to add some
* interceptors to get the desired behavior (i.e. contacting the real
* server on every request). For example, see
* {@link org.apache.geronimo.remoting.jmx.RemoteMBeanServerFactory}
*
* @version $Rev: 46019 $ $Date: 2004-09-14 03:56:06 -0600 (Tue, 14 Sep 2004) $
*/
public class ProxyContainer extends SimpleRPCContainer implements InvocationHandler {
public ProxyContainer(Interceptor firstInterceptor) {
super(firstInterceptor);
}
/**
* @see java.lang.reflect.InvocationHandler#invoke(java.lang.Object, java.lang.reflect.Method, java.lang.Object[])
*/
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
Invocation invocation = new ProxyInvocation();
ProxyInvocation.putMethod(invocation, method);
ProxyInvocation.putArguments(invocation, args);
ProxyInvocation.putProxy(invocation, proxy);
InvocationResult result = this.invoke(invocation);
if( result.isException() )
throw result.getException();
return result.getResult();
}
public Object createProxy(ClassLoader cl, Class[] interfaces) {
return Proxy.newProxyInstance(cl, interfaces, this);
}
public static ProxyContainer getContainer(Object proxy) {
if (Proxy.isProxyClass(proxy.getClass()))
throw new IllegalArgumentException("Not a proxy.");
return (ProxyContainer) Proxy.getInvocationHandler(proxy);
}
}