2009/05/20 - Apache Shale has been retired.

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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  
18  package org.apache.shale.dialog.base;
19  
20  import org.apache.shale.dialog.DialogContext;
21  import org.apache.shale.dialog.DialogContextManager;
22  import org.apache.shale.dialog.DialogContextManagerListener;
23  
24  /***
25   * <p>Convenience abstract base class for {@link DialogContextManagerListener}
26   * instances.  The default event handling methods do nothing.
27   * Subclasses are expected to be serializable.</p>
28   *
29   * @since 1.0.4
30   */
31  public abstract class AbstractDialogContextManagerListener
32    implements DialogContextManagerListener {
33  
34  
35      // ------------------------------------------------------ Instance Variables
36  
37  
38      /***
39       * <p>The {@link DialogContextManager} instance we are associated with.</p>
40       */
41      private DialogContextManager instance = null;
42  
43  
44      // -------------------------------------------------- Event Handling Methods
45  
46  
47      /*** {@inheritDoc} */
48      public void onCreate(DialogContext context) {
49  
50          ; // Do nothing
51  
52      }
53  
54  
55      /*** {@inheritDoc} */
56      public void onRemove(DialogContext context) {
57  
58          ; // Do nothing
59  
60      }
61  
62  
63      // --------------------------------------------------------------- Ownership
64  
65  
66      /*** {@inheritDoc} */
67      public DialogContextManager getDialogContextManager() {
68          return this.instance;
69      }
70  
71  
72      /*** {@inheritDoc} */
73      public void setDialogContextManager(DialogContextManager instance) {
74          this.instance = instance;
75      }
76  
77  
78  }