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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.portals.applications.transform;
18  
19  import java.util.Observable;
20  
21  
22  /***
23   * Transform Object Publisher base implementation.
24   *
25   * The Transform Object Publisher notifies observers by publishing messages when
26   * the transforms have been updated.
27   *
28   * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
29   * @version $Id: TransformObjectPublisher.java 516448 2007-03-09 16:25:47Z ate $
30   */
31  public class TransformObjectPublisher extends Observable
32  {
33      /***
34       * Constructor
35       *
36       */
37      public TransformObjectPublisher()
38      {
39      }
40      /***
41       * Notify all observers that object has changed.
42       * @see java.util.Observable#notifyObservers(Object ob)
43       * @param transform
44       */        
45      public void publish(Transform transform)
46      { 
47          setChanged(); 
48          notifyObservers(transform); 
49      } 
50      
51      
52  
53  }