profilecommand.java

用jxse开发的一个p2p通讯软件 有聊天 文件共享 视频3大功能

/*
*  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 discalimer 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 THE APACHE SOFTWARE FOUNDATION 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: ProfileCommand.java,v 1.3 2006/07/13 05:26:38 nano Exp $
*/

package net.jxta.myjxta.dialog.commands;

import net.jxta.myjxta.dialog.Dialog;
import net.jxta.myjxta.dialog.DialogMessage;

import net.jxta.peergroup.PeerGroup;

import java.text.MessageFormat;

/**
 * The The base Dialog for Group Chats.
 * 
 * @version $Id: ProfileCommand.java,v 1.3 2006/07/13 05:26:38 nano Exp $
 *
 * @author james todd [gonzo at jxta dot org]
 */

public class ProfileCommand
extends AbstractCommand {
    
    public static final String ID = ProfileCommand.class.getName();
    


    private static final MessageFormat TEMPLATE_PROFILE = new MessageFormat(
"<foaf:Person rdf:nodeID=\"{0}\">" + NEW_LINE +
TAB + "<foaf:name>{1}</foaf:name>" + NEW_LINE +
TAB + "<foaf:homepage rdf:resource=\"{2}\"/>" + NEW_LINE +
"</foaf:Person>" + NEW_LINE +
"<foaf:PersonalProfileDocument rdf:about=\"{3}\">" + NEW_LINE +
TAB + "<foaf:maker rdf:nodeID=\"{0}\"/>" + NEW_LINE +
TAB + "<foaf:primaryTopic rdf:nodeID=\"{0}\"/>" + NEW_LINE +
"</foaf:PersonalProfileDocument>");
    
    public String getId() {
        return ID;
    }
    
    public boolean process(Dialog dialog, DialogMessage msg) {
        String cmd = msg != null ? msg.getCommand() : null;
        PeerGroup pg = dialog.getGroup().getPeerGroup();
        DialogMessage dm = new DialogMessage(pg.getPeerName(), null,
            pg.getPeerGroupID().toString(), pg.getPeerGroupName());

        if (cmd != null &&
            cmd.length() > 0) {
            setCommand(cmd);
            setReply(getRDF());
            setStatus(true);
            
            dm.setCommand(getResponse());
        }
        
        dialog.dispatch(dm);
        
        return getStatus();
    }
    
    private String getRDF() {
        Object[] args = { "id", "foo bar", "http://blogs.sun.com/gonzo",
            "YaDaYaDaYaDaYaDa" };
            
        return TEMPLATE_PROFILE.format(args);
    }
}