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.portlet;
21  
22  import com.liferay.portal.model.Portlet;
23  
24  import java.util.Map;
25  import java.util.concurrent.ConcurrentHashMap;
26  
27  import javax.portlet.PortletConfig;
28  import javax.portlet.PortletContext;
29  
30  import javax.servlet.ServletContext;
31  
32  /**
33   * <a href="PortletConfigFactory.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Brian Wing Shun Chan
36   *
37   */
38  public class PortletConfigFactory {
39  
40      public static PortletConfig create(
41          Portlet portlet, ServletContext servletContext) {
42  
43          return _instance._create(portlet, servletContext);
44      }
45  
46      public static void destroy(Portlet portlet) {
47          _instance._destroy(portlet);
48      }
49  
50      private PortletConfigFactory() {
51          _pool = new ConcurrentHashMap<String, Map<String, PortletConfig>>();
52      }
53  
54      private PortletConfig _create(
55          Portlet portlet, ServletContext servletContext) {
56  
57          Map<String, PortletConfig> portletConfigs =
58              _pool.get(portlet.getRootPortletId());
59  
60          if (portletConfigs == null) {
61              portletConfigs = new ConcurrentHashMap<String, PortletConfig>();
62  
63              _pool.put(portlet.getRootPortletId(), portletConfigs);
64          }
65  
66          PortletConfig portletConfig = portletConfigs.get(
67              portlet.getPortletId());
68  
69          if (portletConfig == null) {
70              PortletContext portletContext =
71                  PortletContextFactory.create(portlet, servletContext);
72  
73              portletConfig = new PortletConfigImpl(portlet, portletContext);
74  
75              portletConfigs.put(portlet.getPortletId(), portletConfig);
76          }
77  
78          return portletConfig;
79      }
80  
81      private void _destroy(Portlet portlet) {
82          _pool.remove(portlet.getRootPortletId());
83      }
84  
85      private static PortletConfigFactory _instance = new PortletConfigFactory();
86  
87      private Map<String, Map<String, PortletConfig>> _pool;
88  
89  }