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.log4j.chainsaw;
18
19 import java.awt.event.ActionEvent;
20
21 import javax.swing.AbstractAction;
22 import javax.swing.Action;
23
24 import org.apache.log4j.chainsaw.help.HelpManager;
25
26
27 /**
28 * @author psmith
29 *
30 */
31 class CommonActions
32 {
33 private static CommonActions instance = null;
34 private static Action SHOW_RELEASE_NOTE;
35
36
37 private void initActions() {
38 SHOW_RELEASE_NOTE = new AbstractAction("Release Notes") {
39
40 public void actionPerformed(ActionEvent e)
41 {
42 HelpManager.getInstance().setHelpURL(ChainsawConstants.RELEASE_NOTES_URL);
43
44 }};
45 }
46
47 static synchronized CommonActions getInstance() {
48 if(instance==null) {
49 instance = new CommonActions();
50 }
51 return instance;
52 }
53
54 /**
55 *
56 */
57 private CommonActions()
58 {
59 initActions();
60 }
61
62 /**
63 * @return
64 */
65 public Action getShowReleaseNotes()
66 {
67 return SHOW_RELEASE_NOTE;
68 }
69
70 }