Package net.zschech.gwt.comettest.server

Source Code of net.zschech.gwt.comettest.server.ConnectionTestServlet

/*
* Copyright 2009 Richard Zschech.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package net.zschech.gwt.comettest.server;

import java.io.IOException;
import java.io.InterruptedIOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;

import net.zschech.gwt.comet.server.CometServlet;
import net.zschech.gwt.comet.server.CometServletResponse;
import net.zschech.gwt.comet.server.CometSession;

public class ConnectionTestServlet extends CometServlet {
 
  @Override
  protected void doComet(final CometServletResponse cometResponse) throws ServletException, IOException {
    final CometSession cometSession = cometResponse.getSession(false);
   
    HttpServletRequest request = cometResponse.getRequest();
    final int delay = Integer.parseInt(request.getParameter("delay"));
    new Thread() {
      public void run() {
        try {
          try {
            synchronized (cometResponse) {
              cometResponse.wait(delay);
            }
          }
          catch (InterruptedException e) {
            throw new InterruptedIOException();
          }
         
          if (cometSession != null) {
            cometSession.invalidate();
          }
          else {
            if (!cometResponse.isTerminated()) {
              log("Sending terminate");
              cometResponse.terminate();
            }
          }
        }
        catch (IOException e) {
          log("Error writing data", e);
        }
      }
    }.start();
  }
 
  @Override
  public void cometTerminated(CometServletResponse cometResponse, boolean serverInitiated) {
    log("Comet terminated by " + (serverInitiated ? "server" : "client"));
    synchronized (cometResponse) {
      cometResponse.notifyAll();
    }
  }
}
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