| PortletDisplayFactory.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * The contents of this file are subject to the terms of the Liferay Enterprise
5 * Subscription License ("License"). You may not use this file except in
6 * compliance with the License. You can obtain a copy of the License by
7 * contacting Liferay, Inc. See the License for the specific language governing
8 * permissions and limitations under the License, including but not limited to
9 * distribution rights of the Software.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17 * SOFTWARE.
18 */
19
20 package com.liferay.portal.theme;
21
22 import com.liferay.portal.util.PropsValues;
23
24 import org.apache.commons.pool.BasePoolableObjectFactory;
25 import org.apache.commons.pool.ObjectPool;
26 import org.apache.commons.pool.impl.StackObjectPool;
27
28 /**
29 * <a href="PortletDisplayFactory.java.html"><b><i>View Source</i></b></a>
30 *
31 * @author Brian Wing Shun Chan
32 *
33 */
34 public class PortletDisplayFactory {
35
36 public static PortletDisplay create() throws Exception {
37 if (PropsValues.COMMONS_POOL_ENABLED) {
38 return (PortletDisplay)_instance._pool.borrowObject();
39 }
40 else {
41 return new PortletDisplay();
42 }
43 }
44
45 public static void recycle(PortletDisplay portletDisplay) throws Exception {
46 if (PropsValues.COMMONS_POOL_ENABLED) {
47 _instance._pool.returnObject(portletDisplay);
48 }
49 else if (portletDisplay != null) {
50 portletDisplay.recycle();
51 }
52 }
53
54 private PortletDisplayFactory() {
55 _pool = new StackObjectPool(new Factory());
56 }
57
58 private static PortletDisplayFactory _instance =
59 new PortletDisplayFactory();
60
61 private ObjectPool _pool;
62
63 private class Factory extends BasePoolableObjectFactory {
64
65 public Object makeObject() {
66 return new PortletDisplay();
67 }
68
69 public void passivateObject(Object obj) {
70 PortletDisplay portletDisplay = (PortletDisplay)obj;
71
72 portletDisplay.recycle();
73 }
74
75 }
76
77 }