01 /*
02 * Copyright 2010-2012 the original author or authors.
03 *
04 * Licensed under the Apache License, Version 2.0 (the "License");
05 * you may not use this file except in compliance with the License.
06 * You may obtain a copy of the License at
07 *
08 * http://www.apache.org/licenses/LICENSE-2.0
09 *
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
17 package org.codehaus.griffon.runtime.core;
18
19 import griffon.core.GriffonModel;
20 import griffon.core.GriffonModelClass;
21
22 import java.beans.PropertyChangeEvent;
23 import java.beans.PropertyChangeListener;
24 import java.beans.PropertyChangeSupport;
25
26 /**
27 * Base implementation of the GriffonModel interface.
28 *
29 * @author Andres Almiray
30 * @since 0.9.1
31 */
32 public abstract class AbstractGriffonModel extends AbstractGriffonMvcArtifact implements GriffonModel {
33 protected PropertyChangeSupport pcs;
34
35 protected String getArtifactType() {
36 return GriffonModelClass.TYPE;
37 }
38
39 public AbstractGriffonModel() {
40 pcs = new PropertyChangeSupport(this);
41 }
42
43 public void addPropertyChangeListener(PropertyChangeListener listener) {
44 pcs.addPropertyChangeListener(listener);
45 }
46
47 public void addPropertyChangeListener(String propertyName, PropertyChangeListener listener) {
48 pcs.addPropertyChangeListener(propertyName, listener);
49 }
50
51 public void removePropertyChangeListener(PropertyChangeListener listener) {
52 pcs.removePropertyChangeListener(listener);
53 }
54
55 public void removePropertyChangeListener(String propertyName, PropertyChangeListener listener) {
56 pcs.removePropertyChangeListener(propertyName, listener);
57 }
58
59 public PropertyChangeListener[] getPropertyChangeListeners() {
60 return pcs.getPropertyChangeListeners();
61 }
62
63 public PropertyChangeListener[] getPropertyChangeListeners(String propertyName) {
64 return pcs.getPropertyChangeListeners(propertyName);
65 }
66
67 protected void firePropertyChange(PropertyChangeEvent event) {
68 pcs.firePropertyChange(event);
69 }
70
71 protected void firePropertyChange(String propertyName, Object oldValue, Object newValue) {
72 pcs.firePropertyChange(propertyName, oldValue, newValue);
73 }
74 }
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