1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.trinidad.change;
20
21 import javax.faces.component.NamingContainer;
22 import javax.faces.component.UIComponent;
23 import javax.faces.context.FacesContext;
24
25 /**
26 * An ChangeManager implementation that is all a no-op.
27 *
28 */
29 public class NullChangeManager extends ChangeManager
30 {
31 /**
32 * {@inheritDoc}
33 */
34 @Override
35 public void addComponentChange(
36 FacesContext facesContext,
37 UIComponent uiComponent,
38 ComponentChange change)
39 {
40 // do nothing
41 }
42
43 /**
44 * {@inheritDoc}
45 * @param facesContext The FacesContext instance for the current request.
46 */
47 @Override
48 public void applyComponentChangesForCurrentView(FacesContext facesContext)
49 {
50 //no-op
51 }
52
53 /**
54 * {@inheritDoc}
55 */
56 @Override
57 public void applyComponentChangesForSubtree(
58 FacesContext facesContext,
59 NamingContainer root
60 )
61 {
62 //no-op
63 }
64 }