jabberserver.java

用JAVA语言实现最简单客户机和服务器功能.

//: JabberServer.java
// Very simple server that just
// echoes whatever the client sends.
import java.io.*;
import java.net.*;

public class JabberServer {  
  // Choose a port outside of the range 1-1024:
  public static final int PORT = 8080;
  public static void main(String[] args) throws IOException 
  {
    ServerSocket s = new ServerSocket(PORT);
    System.out.println("Started: " + s);
    try {
      // Blocks until a connection occurs:
      Socket socket = s.accept();
      try {
        System.out.println("Connection accepted: "+ socket);
        BufferedReader in =new BufferedReader(new InputStreamReader(socket.getInputStream()));
        // Output is automatically flushed
        // by PrintWriter:
        PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())),true);
        while (true) {  
          String str = in.readLine();
          if (str.equals("END")) break;
          System.out.println("Echoing: " + str);
          //out.println(str + " No, I am a server. ");
        }
      // Always close the two sockets...
      } finally {
        System.out.println("closing...");
        socket.close();
                }
    } finally {
      s.close();
              }
  } 
}