isochannelpanel.java

pos机交易实现源代码 含金融卡交易8583协议实现 开发环境：linux 典型应用：嵌入系统开发 仅供参考

/*
 * Copyright (c) 2000 jPOS.org.  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 jPOS project 
 *    (http://www.jpos.org/)". Alternately, this acknowledgment may 
 *    appear in the software itself, if and wherever such third-party 
 *    acknowledgments normally appear.
 *
 * 4. The names "jPOS" and "jPOS.org" must not be used to endorse 
 *    or promote products derived from this software without prior 
 *    written permission. For written permission, please contact 
 *    [e-mail].
 *
 * 5. Products derived from this software may not be called "jPOS",
 *    nor may "jPOS" appear in their name, without prior written
 *    permission of the jPOS project.
 *
 * 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 JPOS PROJECT 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 jPOS Project.  For more
 * information please see <http://www.jpos.org/>.
 */

/*
 * $Log: ISOChannelPanel.java,v $
 * Revision 1.11  2001/10/17 17:06:20  apr
 * Removed a few methods from ISOChannel that belongs to BaseChannel
 * (more to be removed soon)
 *
 * Revision 1.10  2000/11/02 12:09:18  apr
 * Added license to every source file
 *
 * Revision 1.9  2000/04/26 00:47:47  apr
 * Temporary workaround allows ISOChannelPanel to Observe ISOServer as well
 * as ISOChannel
 *
 * Revision 1.8  2000/04/24 01:55:38  apr
 * clone logged message
 *
 * Revision 1.7  2000/04/16 21:08:28  apr
 * ISOChannel is now an interface.
 * Channel implementation moved to org.jpos.iso.channel package
 *
 * Revision 1.6  2000/03/01 14:44:45  apr
 * Changed package name to org.jpos
 *
 * Revision 1.5  1999/09/06 17:20:19  apr
 * Added Logger SubSystem
 *
 * Revision 1.4  1999/08/06 11:40:10  apr
 * expand -4
 *
 * Revision 1.3  1999/07/29 15:55:03  apr
 * Added LOG_CAPACITY checks
 *
 * Revision 1.2  1999/07/08 13:44:10  apr
 * Added acquirer support
 * Removed 'System.outs'
 *
 * Revision 1.1  1999/05/18 12:02:58  apr
 * Added GUI package
 *
 */

package org.jpos.iso.gui;

/**
 * allows for easy visualization of channel utilization. 
 * It shows messages coming through in an
 * 'Oscilloscope' style clickeable window.
 * @see ISOMeter
 * @see ISOMsgPanel
 * @serial
 */
import java.util.Observer;
import java.util.Observable;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;

import org.jpos.iso.*;

public class ISOChannelPanel extends JPanel implements Observer {
    /**
     * @serial
     */
    ISOMeter meter;
    /**
     * @serial
     */
    DefaultListModel log;
    /**
     * @serial
     */
    String symbolicName;
    public static final int LOG_CAPACITY = 250;

    public ISOChannelPanel (ISOChannel channel, String symbolicName)
    {
        super();
        this.symbolicName = symbolicName;
        setLayout(new FlowLayout());
        setBorder(BorderFactory.createRaisedBevelBorder());
        log = new DefaultListModel();
        add(createCountersPanel());
        meter.setConnected(channel.isConnected());
	if (channel instanceof Observable) 
	    ((Observable)channel).addObserver(this);
    }
    /**
     * Unconnected constructor allows for instantiation of
     * ISOChannelPanel without associated ISOChannel
     * (that can be attached later)
     */
    public ISOChannelPanel (String symbolicName) {
        super();
        this.symbolicName = symbolicName;
        setLayout(new FlowLayout());
        setBorder(BorderFactory.createRaisedBevelBorder());
        log = new DefaultListModel();
        add(createCountersPanel());
        meter.setConnected(false);
    }

    public final String getSymbolicName() {
        return symbolicName;
    }
    public final ListModel getLog() {
        return log;
    }

    public void update(Observable o, Object arg) {
        if (arg != null && arg instanceof ISOMsg) {
            ISOMsg m = (ISOMsg) arg;
            try {
                String mti = (String) m.getValue(0);
                int imti   = Integer.parseInt(mti);
                if (m.isIncoming())
                    meter.setValue(-imti, mti);
                else if (m.isOutgoing())
                    meter.setValue(imti, mti);

                // log.insertElementAt(m,0);
                log.addElement((ISOMsg)m.clone());
                if (log.getSize() > LOG_CAPACITY) 
                    log.remove(0);

            } catch (ISOException e) { 
                meter.setValue(ISOMeter.mass, "ERROR");
            }
            meter.setValue(ISOMeter.mass);
        }
	if (o instanceof BaseChannel) {
	    BaseChannel c = (BaseChannel) o;
	    meter.setConnected(c.isConnected());
	    int cnt[] = c.getCounters();
	    try {
		meter.setPositiveCounter(
		    ISOUtil.zeropad(Integer.toString(cnt[ISOChannel.TX]), 6)
		);
		meter.setNegativeCounter(
		    ISOUtil.zeropad(Integer.toString(cnt[ISOChannel.RX]), 6)
		);
	    } catch (ISOException e) { }
	} else 
	    meter.setConnected(true);
    }

    private JPanel createCountersPanel() {
        JPanel A = new JPanel() {
            public Insets getInsets() {
                return new Insets(10,10,10,10);
            }
        };

        A.setLayout(new BorderLayout());

        meter = new ISOMeter(this);

        JLabel l = new JLabel(symbolicName);
        A.add(l, BorderLayout.NORTH);
        A.add(meter, BorderLayout.CENTER);
        meter.start();
        return A;
    }
    public ISOMeter getISOMeter() {
        return meter;
    }
}