sender.java

来自「j2me手机应用开发环境下的联网程序」· Java 代码 · 共 61 行

/*
 *
 * Copyright © 2007 Sun Microsystems, Inc. All rights reserved.
 * Use is subject to license terms.
 */
package socket;

import java.io.*;

import javax.microedition.io.*;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;


public class Sender extends Thread {
    private OutputStream os;
    private String message;

    public Sender(OutputStream os) {
        this.os = os;
        start();
    }

    public synchronized void send(String msg) {
        message = msg;
        notify();
    }

    public synchronized void run() {
        while (true) {
            // If no client to deal, wait until one connects
            if (message == null) {
                try {
                    wait();
                } catch (InterruptedException e) {
                }
            }

            if (message == null) {
                break;
            }

            try {
                os.write(message.getBytes());
                os.write("\r\n".getBytes());
            } catch (IOException ioe) {
                ioe.printStackTrace();
            }

            // Completed client handling, return handler to pool and
            // mark for wait
            message = null;
        }
    }

    public synchronized void stop() {
        message = null;
        notify();
    }
}