sock.java

smpp java实现

package projectsmpp;

import java.net.*;
import java.io.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class Sock {
  Socket socket = null;
  InputStream in = null;
  OutputStream out = null;
  private static Sock instance = null;

  public Sock() {
    try {
      socket = new Socket("127.0.0.1", 7900);
      in = socket.getInputStream();
      out = socket.getOutputStream();
      //dataout=new DataOutputStream(socket.getOutputStream());
    }
    catch (IOException e) {
      e.printStackTrace();
      try {
        socket.close();
        //socket = null;
        in.close();
        out.close();
      }
      catch (IOException ee) {
        ee.printStackTrace();
      }
    }
  }

  public static synchronized Sock getSock() {
    if (instance == null) {
      instance = new Sock();
    }
    return instance;
  }

  public synchronized void sendPacket(byte abyte0[]) {
    try {
      out.write(abyte0);
    }
    catch (IOException e) {
      System.out.println("sendPacket problem!");
      SmppFrame.showMessage("网络有问题！");
      e.printStackTrace();
    }
  }

  public void close() {
    try {
      socket.close();
      in.close();
      out.close();
    }
    catch (IOException e) {}
  }

}