simplerdvmanager.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

/************************************************************************
 *
 * $Id: SimpleRdvManager.java,v 1.2 2002/03/04 20:19:22 echtcherbina Exp $
 *
 * 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,
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 * 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.
 *********************************************************************************/

package net.jxta.util;

import org.apache.log4j.Category; import org.apache.log4j.Priority;

import net.jxta.peer.*;
import net.jxta.protocol.*;
import net.jxta.document.*;
import net.jxta.rendezvous.*;
import net.jxta.discovery.*;
import net.jxta.peergroup.*;
import net.jxta.impl.util.*;

/**
 * This class implements a very simple RendezVousService manager
 */

public class SimpleRdvManager implements RendezVousManager, JxtaTimerHandler {
    private static final Category LOG = Category.getInstance(SimpleRdvManager.class.getName());

    private PeerGroup group = null;
    private String gId = null;
    private DiscoveryService discovery = null;
    private static final long lease = 30 * 60 * 1000; // 30 minutes
    private JxtaTimer timer = null;
    public  static final long PollDelay = 60 * 60 * 1000; // 60 minutes

    public SimpleRdvManager (PeerGroup g) {

        group = g;
    }

    /**
     * This is called by the RendezVousService service each time a new Peer
     * is requesting a connection. The RendezVousService Manager returns zero if
     * the peer is not authorized to be connected, otherwise returns a lease
     * time (in milliseconds) for which the peer is authorized.
     */

    public long requestConnection (Advertisement adv) {

    if (LOG.isEnabledFor(Priority.DEBUG)) LOG.debug("requestConnection: got connection request:");
    if (LOG.isEnabledFor(Priority.DEBUG)) LOG.debug("    peer = " + ((PeerAdvertisement) adv).getPeerID());
    if (LOG.isEnabledFor(Priority.DEBUG)) LOG.debug("   lease = " + (lease / 60) + " minutes");
    return lease;
    }


    /**
     * This implementation of Rendezvous Manager periodically pools peers and
     * groups advertisements from other peers.
     */

    public void signal (JxtaTimer t) {

    }
}