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Java Source | 2000-05-25 | 4.1 KB | 117 lines |
- //: MultiJabberServer.java
- //////////////////////////////////////////////////
- // Copyright (c) Bruce Eckel, 1998
- // Source code file from the book "Thinking in Java"
- // All rights reserved EXCEPT as allowed by the
- // following statements: You can freely use this file
- // for your own work (personal or commercial),
- // including modifications and distribution in
- // executable form only. Permission is granted to use
- // this file in classroom situations, including its
- // use in presentation materials, as long as the book
- // "Thinking in Java" is cited as the source.
- // Except in classroom situations, you cannot copy
- // and distribute this code; instead, the sole
- // distribution point is http://www.BruceEckel.com
- // (and official mirror sites) where it is
- // freely available. You cannot remove this
- // copyright and notice. You cannot distribute
- // modified versions of the source code in this
- // package. You cannot use this file in printed
- // media without the express permission of the
- // author. Bruce Eckel makes no representation about
- // the suitability of this software for any purpose.
- // It is provided "as is" without express or implied
- // warranty of any kind, including any implied
- // warranty of merchantability, fitness for a
- // particular purpose or non-infringement. The entire
- // risk as to the quality and performance of the
- // software is with you. Bruce Eckel and the
- // publisher shall not be liable for any damages
- // suffered by you or any third party as a result of
- // using or distributing software. In no event will
- // Bruce Eckel or the publisher 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 Bruce Eckel
- // and the publisher have been advised of the
- // possibility of such damages. Should the software
- // prove defective, you assume the cost of all
- // necessary servicing, repair, or correction. If you
- // think you've found an error, please email all
- // modified files with clearly commented changes to:
- // Bruce@EckelObjects.com. (Please use the same
- // address for non-code errors found in the book.)
- /////////////////////////////////////////////////
-
- // A server that uses multithreading to handle
- // any number of clients.
- import java.io.*;
- import java.net.*;
-
- class ServeOneJabber extends Thread {
- private Socket socket;
- private BufferedReader in;
- private PrintWriter out;
- public ServeOneJabber(Socket s)
- throws IOException {
- socket = s;
- in =
- new BufferedReader(
- new InputStreamReader(
- socket.getInputStream()));
- // Enable auto-flush:
- out =
- new PrintWriter(
- new BufferedWriter(
- new OutputStreamWriter(
- socket.getOutputStream())), true);
- // If any of the above calls throw an
- // exception, the caller is responsible for
- // closing the socket. Otherwise the thread
- // will close it.
- start(); // Calls run()
- }
- public void run() {
- try {
- while (true) {
- String str = in.readLine();
- if (str.equals("END")) break;
- System.out.println("Echoing: " + str);
- out.println(str);
- }
- System.out.println("closing...");
- } catch (IOException e) {
- } finally {
- try {
- socket.close();
- } catch(IOException e) {}
- }
- }
- }
-
- public class MultiJabberServer {
- static final int PORT = 8080;
- public static void main(String[] args)
- throws IOException {
- ServerSocket s = new ServerSocket(PORT);
- System.out.println("Server Started");
- try {
- while(true) {
- // Blocks until a connection occurs:
- Socket socket = s.accept();
- try {
- new ServeOneJabber(socket);
- } catch(IOException e) {
- // If it fails, close the socket,
- // otherwise the thread will close it:
- socket.close();
- }
- }
- } finally {
- s.close();
- }
- }
- } ///:~