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.portlet;
24  
25  import com.liferay.portal.model.Layout;
26  import com.liferay.portal.model.User;
27  import com.liferay.portal.util.PropsValues;
28  
29  import javax.portlet.PortletMode;
30  import javax.portlet.WindowState;
31  
32  import javax.servlet.http.HttpServletResponse;
33  
34  import org.apache.commons.pool.BasePoolableObjectFactory;
35  import org.apache.commons.pool.ObjectPool;
36  import org.apache.commons.pool.impl.StackObjectPool;
37  
38  /**
39   * <a href="EventResponseFactory.java.html"><b><i>View Source</i></b></a>
40   *
41   * @author Brian Wing Shun Chan
42   *
43   */
44  public class EventResponseFactory {
45  
46      public static EventResponseImpl create(
47              EventRequestImpl eventRequestImpl, HttpServletResponse response,
48              String portletName, User user, Layout layout,
49              WindowState windowState, PortletMode portletMode)
50          throws Exception {
51  
52          EventResponseImpl eventResponseImpl = null;
53  
54          if (PropsValues.COMMONS_POOL_ENABLED) {
55              eventResponseImpl =
56                  (EventResponseImpl)_instance._pool.borrowObject();
57          }
58          else {
59              eventResponseImpl = new EventResponseImpl();
60          }
61  
62          eventResponseImpl.init(
63              eventRequestImpl, response, portletName, user, layout, windowState,
64              portletMode);
65  
66          return eventResponseImpl;
67      }
68  
69      public static void recycle(EventResponseImpl eventResponseImpl)
70          throws Exception {
71  
72          if (PropsValues.COMMONS_POOL_ENABLED) {
73              _instance._pool.returnObject(eventResponseImpl);
74          }
75          else if (eventResponseImpl != null) {
76              eventResponseImpl.recycle();
77          }
78      }
79  
80      private EventResponseFactory() {
81          _pool = new StackObjectPool(new Factory());
82      }
83  
84      private static EventResponseFactory _instance =
85          new EventResponseFactory();
86  
87      private ObjectPool _pool;
88  
89      private class Factory extends BasePoolableObjectFactory {
90  
91          public Object makeObject() {
92              return new EventResponseImpl();
93          }
94  
95          public void passivateObject(Object obj) {
96              EventResponseImpl eventResponseImpl = (EventResponseImpl)obj;
97  
98              eventResponseImpl.recycle();
99          }
100 
101     }
102 
103 }