Tomcat与Java Web开发技术详解

      /*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2001 The Apache Software Foundation.  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
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Axis" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * 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 the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.text.*;
import java.util.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.*;
import javax.swing.table.*;

import org.apache.axis.monitor.SOAPMonitorConstants;

/**
 * This is a SOAP Mointor Applet class.  This class provides
 * the user interface for displaying data from the SOAP
 * monitor service.
 *
 * @author Brian Price (pricebe@us.ibm.com)
 *
 */
public class SOAPMonitorApplet extends JApplet {

    /**
     * Private data
     */
    private JPanel      main_panel = null;
    private JTabbedPane tabbed_pane = null;
    private int         port = 0;
    private Vector      pages = null;

    /**
     * Constructor
     */
    public SOAPMonitorApplet() {
    }

    /**
     * Applet initialization
     */
    public void init() {
        // Get the port to be used
        String port_str = getParameter("port");
        if (port_str != null) {
            port = Integer.parseInt(port_str);
        }
        // Try to use the system look and feel
        try {
           UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception e){
        }
        // Create main panel to hold notebook
        main_panel = new JPanel();
        main_panel.setBackground(Color.white);
        main_panel.setLayout(new BorderLayout());
        setContentPane(main_panel);
        // Create the notebook
        tabbed_pane = new JTabbedPane(JTabbedPane.TOP);
        main_panel.add(tabbed_pane,BorderLayout.CENTER);
        // Add notebook page for default host connection
        pages = new Vector();
        addPage(new SOAPMonitorPage(getCodeBase().getHost()));
    }

    /**
     * Add a page to the notebook
     */
    private void addPage(SOAPMonitorPage pg) {
        tabbed_pane.addTab("  "+pg.getHost()+"  ", pg);
        pages.addElement(pg);
    }

    /** 
     * Applet is being displayed 
     */
    public void start() {
        // Tell all pages to start talking to the server
        Enumeration e = pages.elements();
        while (e.hasMoreElements()) {
            SOAPMonitorPage pg = (SOAPMonitorPage) e.nextElement();
            if (pg != null) {
                pg.start();
            }
        }
    }

    /*
     * Applet is no longer displayed
     */
    public void stop() {
        // Tell all pages to stop talking to the server
        Enumeration e = pages.elements();
        while (e.hasMoreElements()) {
            SOAPMonitorPage pg = (SOAPMonitorPage) e.nextElement();
            if (pg != null) {
                pg.stop();
            }
        }
    }

    /**
     * Applet cleanup
     */
    public void destroy() {
        tabbed_pane = null;
        main_panel = null;
    }

    /**
     * This class provides the contents of a notebook page
     * representing a server connection.
     */
    class SOAPMonitorPage extends JPanel 
                          implements Runnable,
                                     ListSelectionListener,
                                     ActionListener {

        /**
         * Status Strings
         */
        private final String STATUS_ACTIVE    = "The SOAP Monitor is started.";
        private final String STATUS_STOPPED   = "The SOAP Monitor is stopped.";
        private final String STATUS_CLOSED    = "The server communication has been terminated.";
        private final String STATUS_NOCONNECT = "The SOAP Monitor is unable to communcate with the server.";

        /**
         * Private data
         */
        private String                host = null;
        private Socket                socket = null;
        private ObjectInputStream     in = null;
        private ObjectOutputStream    out = null;
        private SOAPMonitorTableModel model = null;
        private JTable                table = null;
        private JScrollPane           scroll = null;
        private JPanel                list_panel = null;
        private JPanel                list_buttons = null;
        private JButton               remove_button = null;
        private JButton               remove_all_button = null;
        private JButton               filter_button = null;
        private JPanel                details_panel = null;
        private JPanel                details_header = null;
        private JSplitPane            details_soap = null;
        private JPanel                details_buttons = null;
        private JLabel                details_time = null;
        private JLabel                details_target = null;
        private JLabel                details_status = null;
        private JLabel                details_time_value = null;
        private JLabel                details_target_value = null;
        private JLabel                details_status_value = null;
        private EmptyBorder           empty_border = null;
        private EtchedBorder          etched_border = null;
        private JPanel                request_panel = null;
        private JPanel                response_panel = null;
        private JLabel                request_label = null;
        private JLabel                response_label = null;