一個簡單的Java伺服器端程式

1. /**
2.  * This is a test program for Echo Server. @author Hu Dennis created at 2008-11-12
3.  */
5. import java.net.ServerSocket;
6. import java.net.Socket;
7. import java.io.BufferedReader;
8. import java.io.DataInputStream;
9. import java.io.IOException;
10. import java.io.InputStreamReader;
11. import java.io.PrintStream;
13. public class HttpServer {
15.     public static void main(String[] args) {
17.         int listenPort = 8080;
18.         
19.         ServerSocket serverSocket  = null;
20.         Socket       serviceSocket = null;
21.         
22.         DataInputStream  inBound    = null;
23.         PrintStream      outBound   = null;
24.         
25.         try {
26.             
27.             serverSocket = new ServerSocket(listenPort);
28.             
29.             serviceSocket = serverSocket.accept();
30.             
31.             inBound  = new DataInputStream(serviceSocket.getInputStream());
32.             outBound = new PrintStream(serviceSocket.getOutputStream());
33.             
34.             BufferedReader bfReader = new BufferedReader(new InputStreamReader(inBound));  
36.             String line = null;
37.             
38.             while (true){
39.                 
40.                 /* The request must contains a line separator. 
41.                  * eg.
42.                  *      StringBuilder request = new StringBuilder(); 
43.                  *      request.append("Echo/n");                    
44.                  */
45.                 line = bfReader.readLine();
46.                 
47.                 outBound.println(line);
48.             }
49.             
50.         }catch (IOException e){
51.             
52.             System.out.println(e);
53.             
54.             return ;
55.         }
56.     }
58. }