Пример #1
0
 /**
  * Read a cookie
  *
  * @param name The name of the cookie
  * @return The value of the cookie, if the cookie does not exist it will return an empty string
  */
 protected String getCookie(String name) {
   /*
    ** get a specific cookie by its name, parse the cookie.
    **    not used in this Applet but can be useful
    */
   String myCookie = getCookie();
   String search = name + "=";
   if (myCookie.length() > 0) {
     int offset = myCookie.indexOf(search);
     if (offset != -1) {
       offset += search.length();
       int end = myCookie.indexOf(";", offset);
       if (end == -1) {
         end = myCookie.length();
       }
       Log.println(this, "get: " + myCookie.substring(offset, end));
       if (!myCookie.substring(offset, end).equals(" ")) {
         return myCookie.substring(offset, end);
       } else {
         return "";
       }
     } else Log.println(this, "Did not find cookie: " + name);
   }
   return "";
 }
Пример #2
0
 /**
  * This method listens for connection requests and when a connection is made, the serve() method
  * is called to serve the client.
  */
 public void run() {
   System.out.println("S: Entering Server run()");
   while (!halted) {
     try {
       log.println("S: about to call serverSocket.accept()");
       Socket clientSocket = serverSocket.accept();
       log.println("S: just returned from serverSocket.accept()");
       log.println("S: about to create a ClientServicer");
       ClientServicer clientServicer = new ClientServicer(clientSocket, nextID++);
       clientServicer.start();
       clientServicers.add(clientServicer);
       log.println("S: just returned from creating a ClientServicer");
     } catch (IOException e) {
       System.err.println("S: Exception: " + e);
       e.printStackTrace();
       break;
     }
   }
   log.println("S: Exiting Server run()");
 }
Пример #3
0
  /**
   * Write a cookie
   *
   * @param name The name of the cookie
   * @param value The value to write
   */
  protected void setCookie(String name, String value) {
    value = cleanValue(value);
    /*
     **  write a cookie
     **    computes the expiration date, good for 1 month
     */
    java.util.Calendar c = java.util.Calendar.getInstance();
    c.add(java.util.Calendar.YEAR, 1);
    String expires = "; expires=" + c.getTime().toString();

    String s1 = name + "=" + value + expires;
    Log.println(this, s1);
    try {
      JSObject myBrowser = JSObject.getWindow(applet);
      JSObject myDocument = (JSObject) myBrowser.getMember("document");

      myDocument.setMember("cookie", s1);
      Log.println(this, "set:" + s1);
    } catch (JSException e) {
      e.printStackTrace();
    }
  }
Пример #4
0
  /**
   * Delete a cookie
   *
   * @param name The name of the cookie
   */
  protected void deleteCookie(String name) {
    setCookie(name, " ");
    /*
     **  delete a cookie, set the expiration in the past
     */
    java.util.Calendar c = java.util.Calendar.getInstance();
    c.add(java.util.Calendar.MONTH, -1);
    String expires = "; expires=" + c.getTime().toString();

    String s1 = name + expires;
    try {
      JSObject myBrowser = JSObject.getWindow(applet);
      JSObject myDocument = (JSObject) myBrowser.getMember("document");
      Log.println(this, "del: " + s1);
      myDocument.setMember("cookie", s1);
    } catch (JSException e) {
      e.printStackTrace();
    }
  }
Пример #5
0
 /**
  * This constructor creates an EchoServer object
  *
  * @param portnum The port that the server will listen on.
  * @throws IOException
  */
 public EchoServer(int portnum, Log log) throws IOException {
   this.log = log;
   log.println("S: Entering the constructor for EchoServer");
   serverSocket = new ServerSocket(portnum);
   log.println("S: Exiting the constructor for EchoServer");
 }