org.jboss.remoting.samples.serialization.SerializationServer Maven / Gradle / Ivy
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* 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
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*/
package org.jboss.remoting.samples.serialization;
import javax.management.MBeanServer;
import org.jboss.remoting.InvocationRequest;
import org.jboss.remoting.InvokerLocator;
import org.jboss.remoting.ServerInvocationHandler;
import org.jboss.remoting.ServerInvoker;
import org.jboss.remoting.samples.simple.SimpleServer;
import org.jboss.remoting.callback.InvokerCallbackHandler;
import org.jboss.remoting.transport.Connector;
/**
* Simple remoting server that uses JBoss Serialization instead of standard java serialization.
* Will receive and return a non-serializable payload. Uses inner class SampleInvocationHandler
* as the invocation target handler class.
*
* NOTE: This requires jdk 1.5
*
*
* @author Tom Elrod
*/
public class SerializationServer
{
// Default locator values
private static String transport = "socket";
private static String host = "localhost";
private static int port = 5400;
// String to be returned from invocation handler upon client invocation calls.
private static final NonSerializablePayload RESPONSE_VALUE = new NonSerializablePayload("bar", 2);
public void setupServer(String locatorURI) throws Exception
{
// create the InvokerLocator based on url string format
// to indicate the transport, host, and port to use for the
// server invoker.
InvokerLocator locator = new InvokerLocator(locatorURI);
System.out.println("Starting remoting server with locator uri of: " + locatorURI);
Connector connector = new Connector(locator);
// creates all the connector's needed resources, such as the server invoker
connector.create();
// create the handler to receive the invocation request from the client for processing
SampleInvocationHandler invocationHandler = new SampleInvocationHandler();
// first parameter is sub-system name. can be any String value.
connector.addInvocationHandler("sample", invocationHandler);
// start with a new non daemon thread so
// server will wait for request and not exit
connector.start();
}
/**
* Can pass transport and port to be used as parameters.
* Valid transports are 'rmi' and 'socket'.
*
* @param args
*/
public static void main(String[] args)
{
if(args != null && args.length == 3)
{
transport = args[0];
host = args[1];
port = Integer.parseInt(args[2]);
}
// NOTE: HAVE TO HAVE SERIALIZATION TYPE SET TO JBOSS FOR THIS SAMPLE
String locatorURI = transport + "://" + host + ":" + port + "/?serializationtype=jboss";
SerializationServer server = new SerializationServer();
try
{
server.setupServer(locatorURI);
// wait forever, let the user kill us at any point (at which point, the client will detect we went down)
while(true)
{
Thread.sleep(1000);
}
}
catch(Exception e)
{
e.printStackTrace();
}
}
/**
* Simple invocation handler implementation.
* This is the code that will be called with the invocation payload from the client.
*/
public static class SampleInvocationHandler implements ServerInvocationHandler
{
/**
* called to handle a specific invocation
*
* @param invocation
* @return
* @throws Throwable
*/
public Object invoke(InvocationRequest invocation) throws Throwable
{
// Print out the invocation request
System.out.println("Invocation request is: " + invocation.getParameter());
System.out.println("Returning response of: " + RESPONSE_VALUE);
// Just going to return static string as this is just simple example code.
return RESPONSE_VALUE;
}
/**
* Adds a callback handler that will listen for callbacks from
* the server invoker handler.
*
* @param callbackHandler
*/
public void addListener(InvokerCallbackHandler callbackHandler)
{
// NO OP as do not handling callback listeners in this example
}
/**
* Removes the callback handler that was listening for callbacks
* from the server invoker handler.
*
* @param callbackHandler
*/
public void removeListener(InvokerCallbackHandler callbackHandler)
{
// NO OP as do not handling callback listeners in this example
}
/**
* 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
}
}
}