| PortletDisplayFactory.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights 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="PortletDisplayFactory.java.html"><b><i>View Source</i></b></a>
33 *
34 * @author Brian Wing Shun Chan
35 */
36 public class PortletDisplayFactory {
37
38 public static PortletDisplay create() throws Exception {
39 if (PropsValues.COMMONS_POOL_ENABLED) {
40 return (PortletDisplay)_instance._pool.borrowObject();
41 }
42 else {
43 return new PortletDisplay();
44 }
45 }
46
47 public static void recycle(PortletDisplay portletDisplay) throws Exception {
48 if (PropsValues.COMMONS_POOL_ENABLED) {
49 _instance._pool.returnObject(portletDisplay);
50 }
51 else if (portletDisplay != null) {
52 portletDisplay.recycle();
53 }
54 }
55
56 private PortletDisplayFactory() {
57 _pool = new StackObjectPool(new Factory());
58 }
59
60 private static PortletDisplayFactory _instance =
61 new PortletDisplayFactory();
62
63 private ObjectPool _pool;
64
65 private class Factory extends BasePoolableObjectFactory {
66
67 public Object makeObject() {
68 return new PortletDisplay();
69 }
70
71 public void passivateObject(Object obj) {
72 PortletDisplay portletDisplay = (PortletDisplay)obj;
73
74 portletDisplay.recycle();
75 }
76
77 }
78
79 }