bidirectionalacceptpipetestapp.java

jxme的一些相关程序,主要是手机上程序开发以及手机和计算机通信的一些程序资料,程序编译需要Ant支持

/*
 * Copyright (c) 2001 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *       Sun Microsystems, Inc. for Project JXTA."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact Project JXTA at http://www.jxta.org.
 *
 * 5. Products derived from this software may not be called "JXTA",
 *    nor may "JXTA" appear in their name, without prior written
 *    permission of Sun.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL SUN MICROSYSTEMS OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Project JXTA.  For more
 * information on Project JXTA, please see
 * <http://www.jxta.org/>.
 *
 * This license is based on the BSD license adopted by the Apache Foundation.
 *
 * $Id: BidirectionalAcceptPipeTestApp.java,v 1.2 2001/12/16 20:46:24 hamada Exp $
 */

package net.jxta.test.util;

import java.io.*;

import net.jxta.document.Advertisement;
import net.jxta.endpoint.Message;
import net.jxta.id.ID;
import net.jxta.platform.Application;
import net.jxta.peergroup.PeerGroup;
import net.jxta.peergroup.PeerGroupFactory;
import net.jxta.exception.PeerGroupException;
import net.jxta.protocol.PipeAdvertisement;

import net.jxta.impl.util.BidirectionalPipeService;


/*
 * This class implements the accept side of the Bidirectional pipe connection
 * tutorial.
 */

public class BidirectionalAcceptPipeTestApp {
    static BidirectionalPipeService bps;
    static PeerGroup netPeerGroup = null;
    
    public static void main( String args[] ) {
	BidirectionalAcceptPipeTestApp  myapp = new BidirectionalAcceptPipeTestApp();
              System.out.println ("Starting jxta ....");
              myapp.startJxta(args);
              System.out.println ("Good Bye ....");
	System.exit(0);
    }
    
    public BidirectionalAcceptPipeTestApp() { }
    
    public  void startJxta(String argv[]) {
	
	PeerGroup peerGroup = null;
	BidirectionalPipeService.Pipe pipe;
	
	try {
              // create, and Start the default jxta NetPeerGroup
	    peerGroup = PeerGroupFactory.newNetPeerGroup();
	} catch (PeerGroupException e) {

	    // could not instanciate the group, print the stack and exit
	    System.out.println("fatal error : group creation failure");
	    e.printStackTrace();
	    System.exit(1);
              }

	//ok we have the NetPeerGroup handle

	// create a Bidirectional pipe service
	bps = new BidirectionalPipeService (peerGroup);

	String pipeName = (argv == null || argv.length == 0) ? "TestPipe" : argv[0];
	try {

	    // create the Accept pipe to receive incoming connection
	    BidirectionalPipeService.AcceptPipe acceptPipe =  bps.bind (pipeName);
	    
	    // get the pipe associated with accept
	    PipeAdvertisement adv = acceptPipe.getAdvertisement ();
	    
	    // save to a file, so the connect could read. In a reallife
	    // application we should have the connect side discover the
	    // pipe advertisement
	    Util.save (adv, new File (pipeName + ".xml"));
	    
	    // wait on the accept until the connect is initiated
	    while (true) {
		try {
		    // wait arbitraryy for 5 minutes could be longer
		    pipe = acceptPipe.accept (300* 1000);
		    System.out.println ("BPS: Accepted pipe connection " + pipe);

		    // Read a message from the pipe
		    Message msg = pipe.getInputPipe ().poll (30 * 1000);

		    // get and read the data item from the pipe message
		    InputStream in2 = msg.getElement ("Test").getStream ();
		    byte[] buf = new byte[8192];
		    int r = in2.read (buf);
		    System.out.println ("Client said: " + new String (buf, 0, r));

		} catch (InterruptedException e) {
		    System.out.println("No incoming pipe connection - retry");
		}
	    }
	    
	} catch (IOException e) {
	    e.printStackTrace ();
	    return;
	} catch (Exception e) {
	    e.printStackTrace ();
	    return;
	} 
    }

}