| ThemeDisplayFactory.java |
1 /**
2 * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.theme;
24
25 import com.liferay.portal.util.PropsValues;
26
27 import org.apache.commons.pool.BasePoolableObjectFactory;
28 import org.apache.commons.pool.ObjectPool;
29 import org.apache.commons.pool.impl.StackObjectPool;
30
31 /**
32 * <a href="ThemeDisplayFactory.java.html"><b><i>View Source</i></b></a>
33 *
34 * @author Brian Wing Shun Chan
35 *
36 */
37 public class ThemeDisplayFactory {
38
39 public static ThemeDisplay create() throws Exception {
40 if (PropsValues.COMMONS_POOL_ENABLED) {
41 return (ThemeDisplay)_instance._pool.borrowObject();
42 }
43 else {
44 return new ThemeDisplay();
45 }
46 }
47
48 public static void recycle(ThemeDisplay themeDisplay) throws Exception {
49 if (PropsValues.COMMONS_POOL_ENABLED) {
50 _instance._pool.returnObject(themeDisplay);
51 }
52 else if (themeDisplay != null) {
53 themeDisplay.recycle();
54 }
55 }
56
57 private ThemeDisplayFactory() {
58 _pool = new StackObjectPool(new Factory());
59 }
60
61 private static ThemeDisplayFactory _instance = new ThemeDisplayFactory();
62
63 private ObjectPool _pool;
64
65 private class Factory extends BasePoolableObjectFactory {
66
67 public Object makeObject() {
68 return new ThemeDisplay();
69 }
70
71 public void passivateObject(Object obj) {
72 ThemeDisplay themeDisplay = (ThemeDisplay)obj;
73
74 themeDisplay.recycle();
75 }
76
77 }
78
79 }