/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test.remoting.transport.local;
import junit.framework.TestCase;
import org.jboss.remoting.Client;
import org.jboss.remoting.InvocationRequest;
import org.jboss.remoting.InvokerLocator;
import org.jboss.remoting.ServerInvocationHandler;
import org.jboss.remoting.ServerInvoker;
import org.jboss.remoting.callback.Callback;
import org.jboss.remoting.callback.InvokerCallbackHandler;
import org.jboss.remoting.transport.Connector;
import javax.management.MBeanServer;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* Just a simple example of how to setup remoting to make an invocation to local target,
* so are not actually going out of process, thus not really using any transport protocol.
*
* @author <a href="mailto:telrod@e2technologies.net">Tom Elrod</a>
*/
public class LocalInvocationTestCase extends TestCase
{
private static final String RESPONSE_VALUE = "This is the return to SampleInvocationHandler invocation";
public LocalInvocationTestCase(String name)
{
super(name);
}
public static void setupConfiguration(InvokerLocator locator, ServerInvocationHandler invocationHandler) throws Exception
{
Connector connector = new Connector();
connector.setInvokerLocator(locator.getLocatorURI());
connector.start();
connector.addInvocationHandler("mock", invocationHandler);
}
public void testInvocation() throws Throwable
{
InvokerLocator locator = new InvokerLocator("socket://localhost:6789");
SampleInvocationHandler invocationHandler = new SampleInvocationHandler();
// set up
LocalInvocationTestCase.setupConfiguration(locator, invocationHandler);
// This could have been new Client(locator), but want to show that subsystem param is null
Client remotingClient = new Client(locator);
remotingClient.connect();
Object response = remotingClient.invoke("Do something", null);
System.out.println("Invocation response: " + response);
assertEquals(response, RESPONSE_VALUE);
}
public static class SampleInvocationHandler implements ServerInvocationHandler
{
private List listeners = new ArrayList();
/**
* set the mbean server that the handler can reference
*
* @param server
*/
public void setMBeanServer(MBeanServer server)
{
// NO OP as do not need reference to MBeanServer for this handler
}
/**
* set the invoker that owns this handler
*
* @param invoker
*/
public void setInvoker(ServerInvoker invoker)
{
// NO OP as do not need reference back to the server invoker
}
/**
* called to handle a specific invocation
*
* @param invocation
* @return
* @throws Throwable
*/
public Object invoke(InvocationRequest invocation) throws Throwable
{
// Just going to return static string as this is just simple example code.
// Will also fire callback to listeners if they were to exist using
// simple invocation request.
Callback callbackInvocationRequest = new Callback("This is the payload of callback invocation");
Iterator itr = listeners.iterator();
while(itr.hasNext())
{
InvokerCallbackHandler callbackHandler = (InvokerCallbackHandler) itr.next();
callbackHandler.handleCallback(callbackInvocationRequest);
}
return RESPONSE_VALUE;
}
/**
* Adds a callback handler that will listen for callbacks from
* the server invoker handler.
*
* @param callbackHandler
*/
public void addListener(InvokerCallbackHandler callbackHandler)
{
listeners.add(callbackHandler);
}
/**
* Removes the callback handler that was listening for callbacks
* from the server invoker handler.
*
* @param callbackHandler
*/
public void removeListener(InvokerCallbackHandler callbackHandler)
{
listeners.remove(callbackHandler);
}
}
}