CallbackObserver


1   /**
2    * Copyright 2007 Jens Kapitza
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.ajaxtags.server;
17  
18  import java.util.Observable  ;
19  
20  import javax.servlet.Servlet  ;
21  import javax.servlet.http.HttpServletRequest  ;
22  import javax.servlet.http.HttpServletResponse  ;
23  
24  import org.ajaxtags.xml.AjaxXmlBuilder;
25  
26  /**
27   *  still to do 
28   * @author Jens Kapitza
29   *
30   */
31  public class CallbackObserver extends Observable   {
32  
33      private HttpServletRequest   request;
34      private HttpServletResponse   response;
35      private Servlet   servlet;
36      
37      public CallbackObserver(Servlet   servlet ,HttpServletRequest   request,
38              HttpServletResponse   response) {
39          super();
40          this.servlet = servlet;
41          this.request = request;
42          this.response = response;
43          
44          synchronized (this.servlet) {
45  //          wait();
46          }
47      }
48  
49  
50      // key = ID
51      // value = text
52      public void quickUpdate(AjaxXmlBuilder xmlbuilder) {
53          hasChanged();
54          this.notifyObservers(xmlbuilder);
55          // --- WAIT & NOTIFY
56      }
57  
58  }
59
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