/*
* 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.servicemix.components.reflection;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import javax.jbi.JBIException;
import javax.jbi.messaging.InOnly;
import javax.jbi.messaging.NormalizedMessage;
import org.apache.servicemix.components.util.ComponentSupport;
import org.apache.servicemix.jbi.RuntimeJBIException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A Proxy factory which sends the method invocations into the JBI container
* for processing.
*
* @version $Revision$
*/
public class ProxyInOnlyBinding extends ComponentSupport implements InvocationHandler {
private static final Logger logger = LoggerFactory.getLogger(ProxyInOnlyBinding.class);
private ClassLoader cl;
private Class[] interfaces;
public void setTarget(Object target) {
setTargetType( target.getClass().getClassLoader(), target.getClass().getInterfaces());
}
private void setTargetType(ClassLoader classLoader, Class[] interfaces) {
this.cl = classLoader;
this.interfaces = interfaces;
}
public Object createProxy() {
return Proxy.newProxyInstance(cl, interfaces, this);
}
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
logger.trace("Invoked: {}", method);
try {
InOnly messageExchange = getDeliveryChannel().createExchangeFactory().createInOnlyExchange();
NormalizedMessage inMessage = messageExchange.createMessage();
if( proxy != null )
inMessage.setProperty("proxy", proxy);
inMessage.setProperty("method", method);
if( args!= null )
inMessage.setProperty("args", args);
messageExchange.setInMessage(inMessage);
getDeliveryChannel().send(messageExchange);
return null;
}
catch (JBIException e) {
throw new RuntimeJBIException(e);
}
}
}