bytecounter.java

本源码给出了在jbuilder下实现串口通信,并且如何使用

/*
 * @(#)ByteCounter.java	1.1 98/06/02 SMI
 *
 * Author: Tom Corson
 *
 * Copyright (c) 1998 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Sun grants you ("Licensee") a non-exclusive, royalty free, license
 * to use, modify and redistribute this software in source and binary
 * code form, provided that i) this copyright notice and license appear
 * on all copies of the software; and ii) Licensee does not utilize the
 * software in a manner which is disparaging to Sun.
 *
 * This software is provided "AS IS," without a warranty of any kind.
 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
 * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND
 * ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
 * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE
 * SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS
 * BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
 * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES,
 * HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING
 * OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 *
 * This software is not designed or intended for use in on-line control
 * of aircraft, air traffic, aircraft navigation or aircraft
 * communications; or in the design, construction, operation or
 * maintenance of any nuclear facility. Licensee represents and
 * warrants that it will not use or redistribute the Software for such
 * purposes.
 */

package samples.ParallelBlackBox;

import java.awt.*;
import java.awt.event.*;

public class ByteCounter
    extends Panel implements MouseListener {
  private long value,
  defaultValue;
  private Label countLabel;
  private TextField counter;

  public ByteCounter(String text,
                     int size,
                     int defaultValue) {
    super();

    this.setLayout(new BorderLayout());

    this.countLabel = new Label(text);
    this.countLabel.addMouseListener(this);
    this.add("West", this.countLabel);

    this.counter = new TextField(new Integer(defaultValue).toString(),
                                 size);
    this.add("East", this.counter);

    this.value = defaultValue;
    this.defaultValue = defaultValue;
  }

  public ByteCounter(String text,
                     int size) {
    this(text, size, 0);
  }

  public long getValue() {
    return this.value;
  }

  public void setValue(long val) {
    this.value = val;

    this.counter.setText(new Long(this.value).toString());
  }

  public void setDefaultValue(long val) {
    this.defaultValue = val;
  }

  public void incrementValue(long val) {
    this.value += val;

    this.counter.setText(new Long(this.value).toString());
  }

  public void mouseClicked(MouseEvent e) {
  }

  public void mouseEntered(MouseEvent e) {
  }

  public void mouseExited(MouseEvent e) {
  }

  public void mousePressed(MouseEvent e) {
    this.setValue(this.defaultValue);
  }

  public void mouseReleased(MouseEvent e) {
  }
}