peerstatusaction.java

jxta官方例程

/*
*  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 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: PeerStatusAction.java,v 1.16 2006/07/06 07:52:04 nano Exp $
*/

package net.jxta.myjxta.ui.action;

import net.jxta.document.AdvertisementFactory;
import net.jxta.document.MimeMediaType;
import net.jxta.document.StructuredDocument;
import net.jxta.document.StructuredDocumentFactory;
import net.jxta.endpoint.ByteArrayMessageElement;
import net.jxta.endpoint.MessageElement;
import net.jxta.ext.config.Resource;
import net.jxta.ext.config.ResourceNotFoundException;
import net.jxta.myjxta.View;
import net.jxta.myjxta.dialog.DialogMessage;
import net.jxta.myjxta.dialog.commands.StatusCommand;
import net.jxta.myjxta.dialog.util.RemoteCommandInvoker;
import net.jxta.myjxta.util.Group;
import net.jxta.myjxta.util.GroupNode;
import net.jxta.myjxta.util.Peer;
import net.jxta.myjxta.util.PeerNode;
import net.jxta.myjxta.util.Resources;
import net.jxta.protocol.PipeAdvertisement;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.Iterator;
import java.util.ResourceBundle;

/**
 * @author james todd [gonzo at jxta dot org]
 * @version $Id: PeerStatusAction.java,v 1.16 2006/07/06 07:52:04 nano Exp $
 */

public class PeerStatusAction
        extends AbstractAction {

    private static final int INTERVAL = 250;
    private static final int MAX = INTERVAL * 4 * 40;
    private static final ResourceBundle STRINGS = Resources.getStrings();
    private static final String ELEMENT_DELIMITER = "/";
    private static final String ATTRIBUTE_DELIMITER = "/@";
    private static final String RESPONSE = "/response";
    private static final String RESPONSE_STATUS = RESPONSE + ATTRIBUTE_DELIMITER +
            StatusCommand.STATUS;
    private static final String REQUEST = RESPONSE + ELEMENT_DELIMITER +
            "request";
    private static final String REQUEST_ID = REQUEST + ELEMENT_DELIMITER +
            StatusCommand.UID;
    private static final String STATUS = RESPONSE + ELEMENT_DELIMITER +
            StatusCommand.STATUS;
    private static final String PROFILE = STATUS + ELEMENT_DELIMITER +
            StatusCommand.PROFILE;
    private static final String PROFILE_VERSION = PROFILE + ATTRIBUTE_DELIMITER +
            StatusCommand.VERSION;
    private static final String PROFILE_TIME = PROFILE + ATTRIBUTE_DELIMITER +
            StatusCommand.TIME;
    private static final String PROFILE_JAVA_VERSION = PROFILE + ATTRIBUTE_DELIMITER +
            StatusCommand.JAVA_VERSION;
    private static final String PROFILE_JAVA_VENDOR = PROFILE + ATTRIBUTE_DELIMITER +
            StatusCommand.JAVA_VENDOR;
    private static final String PROFILE_OS_NAME = PROFILE + ATTRIBUTE_DELIMITER +
            StatusCommand.OS_NAME;
    private static final String PROFILE_OS_ARCHITECTURE = PROFILE + ATTRIBUTE_DELIMITER +
            StatusCommand.OS_ARCHITECTURE;
    private static final String PROFILE_PROCESSORS = PROFILE + ATTRIBUTE_DELIMITER +
            StatusCommand.PROCESSORS;
    private static final String PROFILE_JXTA_HOME = PROFILE + ATTRIBUTE_DELIMITER +
            StatusCommand.JXTA_HOME;
    private static final String PROFILE_FREE_MEMORY = PROFILE + ATTRIBUTE_DELIMITER +
            StatusCommand.FREE_MEMORY;
    private static final String PROFILE_MAXIMUM_MEMORY = PROFILE + ATTRIBUTE_DELIMITER +
            StatusCommand.MAXIMUM_MEMORY;
    private static final String PROFILE_TOTAL_MEMORY = PROFILE + ATTRIBUTE_DELIMITER +
            StatusCommand.TOTAL_MEMORY;
    private static final String PEER = STATUS + ELEMENT_DELIMITER + StatusCommand.PEER;
    private static final String PEER_ID = PEER + ATTRIBUTE_DELIMITER + StatusCommand.UID;
    private static final String PEER_NAME = PEER + ATTRIBUTE_DELIMITER + StatusCommand.NAME;
    private static final String PEER_IS_AUTHENTICATED = PEER + ATTRIBUTE_DELIMITER + StatusCommand.IS_AUTHENTICATED;
    private static final String RENDEZVOUS = STATUS + ELEMENT_DELIMITER + StatusCommand.RENDEZVOUS;
    private static final String RENDEZVOUS_ROLE = RENDEZVOUS + ATTRIBUTE_DELIMITER + StatusCommand.ROLE;
    private static final String RENDEZVOUS_PEER = RENDEZVOUS + ELEMENT_DELIMITER + StatusCommand.PEER;
    private static final String RENDEZVOUS_PEER_ID = RENDEZVOUS_PEER + ATTRIBUTE_DELIMITER + StatusCommand.UID;
    private static final String RENDEZVOUS_PEER_NAME = RENDEZVOUS_PEER + ATTRIBUTE_DELIMITER + StatusCommand.NAME;
    private static final String RENDEZVOUS_PEER_GROUP_ID = RENDEZVOUS_PEER +
            ATTRIBUTE_DELIMITER + StatusCommand.GROUP_ID;
    private static final String RENDEZVOUS_PEER_IS_ALIVE = RENDEZVOUS_PEER +
            ATTRIBUTE_DELIMITER + StatusCommand.IS_ALIVE;
    private static final String RENDEZVOUS_PEER_IS_IN_PEER_VIEW =
            RENDEZVOUS_PEER + ATTRIBUTE_DELIMITER + StatusCommand.IS_IN_PEER_VIEW;
    private static final String RENDEZVOUS_PEER_IS_THROTTLING =
            RENDEZVOUS_PEER + ATTRIBUTE_DELIMITER + StatusCommand.IS_THROTTLING;


    private static final String RENDEZVOUS_PEER_CREATE_TIME =
            RENDEZVOUS_PEER + ATTRIBUTE_DELIMITER + StatusCommand.CREATE_TIME;
    private static final String RENDEZVOUS_PEER_UPDATE_TIME =
            RENDEZVOUS_PEER + ATTRIBUTE_DELIMITER + StatusCommand.UPDATE_TIME;
    private static final String RENDEZVOUS_PEER_DIRECTION = RENDEZVOUS_PEER +
            ATTRIBUTE_DELIMITER + StatusCommand.DIRECTION;
    private static final String RENDEZVOUS_CLIENT = RENDEZVOUS + ELEMENT_DELIMITER + StatusCommand.CLIENT;
    private static final String RENDEZVOUS_CLIENT_ID = RENDEZVOUS_CLIENT +
            ATTRIBUTE_DELIMITER + StatusCommand.UID;
    private static final String RENDEZVOUS_CLIENT_NAME = RENDEZVOUS_CLIENT +
            ATTRIBUTE_DELIMITER + StatusCommand.NAME;
    private static final String RENDEZVOUS_CLIENT_TYPE = RENDEZVOUS_CLIENT +
            ATTRIBUTE_DELIMITER + StatusCommand.TYPE;
    private static final String RENDEZVOUS_CLIENT_IS_CONNECTED =
            RENDEZVOUS_CLIENT + ATTRIBUTE_DELIMITER + StatusCommand.CLIENT_IS_CONNECTED;
    private static final String RENDEZVOUS_CLIENT_LEASE_TIME =
            RENDEZVOUS_CLIENT + ATTRIBUTE_DELIMITER + StatusCommand.LEASE_TIME;
    private static final String RENDEZVOUS_PROVISIONER = RENDEZVOUS +
            ELEMENT_DELIMITER + StatusCommand.RENDEZVOUS;
    private static final String RENDEZVOUS_PROVISIONER_ID =
            RENDEZVOUS_PROVISIONER + ATTRIBUTE_DELIMITER + StatusCommand.UID;
    private static final String RENDEZVOUS_PROVISIONER_NAME =
            RENDEZVOUS_PROVISIONER + ATTRIBUTE_DELIMITER + StatusCommand.NAME;
    private static final String RENDEZVOUS_PROVISIONER_GROUP_ID =
            RENDEZVOUS_PROVISIONER + ATTRIBUTE_DELIMITER + StatusCommand.GROUP_ID;
    private static final String RENDEZVOUS_PROVISIONER_IS_ALIVE =
            RENDEZVOUS_PROVISIONER + ATTRIBUTE_DELIMITER + StatusCommand.IS_ALIVE;
    private static final String RENDEZVOUS_PROVISIONER_IS_IN_PEER_VIEW =
            RENDEZVOUS_PROVISIONER + ATTRIBUTE_DELIMITER + StatusCommand.IS_IN_PEER_VIEW;
    private static final String RENDEZVOUS_PROVISIONER_IS_THROTTLING =
            RENDEZVOUS_PROVISIONER + ATTRIBUTE_DELIMITER + StatusCommand.IS_THROTTLING;
    private static final String RENDEZVOUS_PROVISIONER_NUMBER_OF_CONNECTED_PEERS =
            RENDEZVOUS_PROVISIONER + ATTRIBUTE_DELIMITER + StatusCommand.NUMBER_OF_CONNECTED_PEERS;
    private static final String RENDEZVOUS_PROVISIONER_START_TIME =
            RENDEZVOUS_PROVISIONER + ATTRIBUTE_DELIMITER + StatusCommand.START_TIME;
    private static final String RENDEZVOUS_PROVISIONER_CREATE_TIME =
            RENDEZVOUS_PROVISIONER + ATTRIBUTE_DELIMITER + StatusCommand.CREATE_TIME;
    private static final String RENDEZVOUS_PROVISIONER_UPDATE_TIME =
            RENDEZVOUS_PROVISIONER + ATTRIBUTE_DELIMITER + StatusCommand.UPDATE_TIME;
    private static final String RENDEZVOUS_PROVISIONER_DIRECTION =
            RENDEZVOUS_PROVISIONER + ATTRIBUTE_DELIMITER + StatusCommand.DIRECTION;
    private static final String RELAYS = STATUS + ELEMENT_DELIMITER + StatusCommand.RELAYS;
    private static final String RELAYS_CLIENT = RELAYS + ELEMENT_DELIMITER + StatusCommand.CLIENT;
    private static final String RELAYS_CLIENT_ID = RELAYS_CLIENT + ATTRIBUTE_DELIMITER + StatusCommand.UID;
    private static final String RELAYS_CLIENT_NAME = RELAYS_CLIENT + ATTRIBUTE_DELIMITER + StatusCommand.NAME;
    private static final String RELAYS_SERVER = RELAYS + ELEMENT_DELIMITER + StatusCommand.SERVER;
    private static final String RELAYS_SERVER_ID = RELAYS_SERVER + ATTRIBUTE_DELIMITER + StatusCommand.UID;
    private static final String RELAYS_SERVER_NAME = RELAYS_SERVER + ATTRIBUTE_DELIMITER + StatusCommand.NAME;
    private static final String NEW_LINE = "\n";
    private static final String TAB = "  ";
    private static final String SPACE = " ";
    private static final String SLASH = "/";

    private static final Logger LOG = Logger.getLogger(PeerStatusAction.class.getName());

    private View view = null;

    public PeerStatusAction(String name, View view) {
        super(name);

        this.view = view;

        if (LOG.isEnabledFor(Level.INFO)) {
            LOG.info("PeerStatusAction instantiated");
        }
    }

    public boolean isEnabled() {
        PeerNode jxtaNode = (PeerNode) view.getJxtaNode(PeerNode.class);
        return jxtaNode != null;
    }

    public void actionPerformed(ActionEvent ae) {
        final PeerNode pn = (PeerNode) this.view.getJxtaNode(PeerNode.class);

        final Peer p = pn != null ? pn.getPeer() : null;
        final Group g = pn != null ?
                ((GroupNode) (pn.getParent())).getGroup() : null;
        String status = null;

        if (p != null &&
                g != null) {
            status = STRINGS.getString("status.command.initiate") + ": " +
                    p.getName();

            if (LOG.isEnabledFor(Level.INFO)) {
                LOG.info(status);
            }

            new Thread(new Runnable() {
                public void run() {

                    process(g, pn);
                }
            }, getClass().getName() + ":getConnection").start();
        } else {
            String peerName = "null";
            if (p != null) {
                peerName = p.getName();
            }
            status = STRINGS.getString("error.peer.invalid") + " " + peerName;


            if (LOG.isEnabledFor(Level.ERROR)) {
                LOG.error(status);
            }
        }

        if (status != null) {