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* JBoss, Home of Professional Open Source
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* Copyright 2005, JBoss Inc., and individual contributors as indicated
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* by the @authors tag. See the copyright.txt in the distribution for a
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* full listing of individual contributors.
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* This is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this software; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
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package org.jboss.test.remoting.callback;
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import org.apache.log4j.Level;
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import org.jboss.jrunit.extensions.ServerTestCase;
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import org.jboss.remoting.InvocationRequest;
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import org.jboss.remoting.InvokerLocator;
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import org.jboss.remoting.ServerInvocationHandler;
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import org.jboss.remoting.ServerInvoker;
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import org.jboss.remoting.callback.Callback;
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import org.jboss.remoting.callback.InvokerCallbackHandler;
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import org.jboss.remoting.transport.Connector;
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import javax.management.MBeanServer;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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* Simple remoting server. Uses inner class SampleInvocationHandler
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* as the invocation target handler class.
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* @author <a href="mailto:telrod@e2technologies.net">Tom Elrod</a>
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public class CallbackTestServer extends ServerTestCase
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// Default locator values
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private static String transport = "socket";
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private static String host = "localhost";
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private static int port = 5500;
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protected String locatorURI = transport + "://" + host + ":" + port;
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protected Connector connector;
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// String to be returned from invocation handler upon client invocation calls.
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public static final String RESPONSE_VALUE = "This is the return to SampleInvocationHandler invocation";
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public static final String CALLBACK_VALUE = "This is the payload of callback invocation.";
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public void setupServer() throws Exception
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InvokerLocator locator = new InvokerLocator(locatorURI);
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System.out.println("Starting remoting server with locator uri of: " + locatorURI);
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connector = new Connector();
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connector.setInvokerLocator(locator.getLocatorURI());
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SampleInvocationHandler invocationHandler = new SampleInvocationHandler();
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// first parameter is sub-system name. can be any String value.
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connector.addInvocationHandler("sample", invocationHandler);
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protected void setUp() throws Exception
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org.apache.log4j.BasicConfigurator.configure();
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org.apache.log4j.Category.getRoot().setLevel(Level.DEBUG);
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org.apache.log4j.Category.getInstance("org.jboss.remoting").setLevel(Level.DEBUG);
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org.apache.log4j.Category.getInstance("org.jgroups").setLevel(Level.FATAL);
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protected void tearDown() throws Exception
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public static void main(String[] args)
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CallbackTestServer server = new CallbackTestServer();
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Thread.sleep(600000);
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* Simple invocation handler implementation.
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public static class SampleInvocationHandler implements ServerInvocationHandler
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protected List listeners = new ArrayList();
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* called to handle a specific invocation
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public Object invoke(InvocationRequest invocation) throws Throwable
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// Just going to return static string as this is just simple example code.
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// Will also fire callback to listeners if they were to exist using
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// simple invocation request.
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Callback callback = new Callback(CALLBACK_VALUE);
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Iterator itr = listeners.iterator();
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InvokerCallbackHandler callbackHandler = (InvokerCallbackHandler) itr.next();
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callbackHandler.handleCallback(callback);
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return RESPONSE_VALUE;
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* Adds a callback handler that will listen for callbacks from
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* the server invoker handler.
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* @param callbackHandler
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public void addListener(InvokerCallbackHandler callbackHandler)
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listeners.add(callbackHandler);
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* Removes the callback handler that was listening for callbacks
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* from the server invoker handler.
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* @param callbackHandler
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public void removeListener(InvokerCallbackHandler callbackHandler)
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listeners.remove(callbackHandler);
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* set the mbean server that the handler can reference
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public void setMBeanServer(MBeanServer server)
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// NO OP as do not need reference to MBeanServer for this handler
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* set the invoker that owns this handler
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public void setInvoker(ServerInvoker invoker)
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// NO OP as do not need reference back to the server invoker
b'\\ No newline at end of file'