1   /**
2    * Copyright (c) 2000-2009 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.PortletApp;
26  
27  import java.util.Map;
28  import java.util.concurrent.ConcurrentHashMap;
29  
30  import javax.portlet.PortletContext;
31  import javax.portlet.filter.FilterConfig;
32  
33  /**
34   * <a href="FilterConfigFactory.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Brian Wing Shun Chan
37   *
38   */
39  public class FilterConfigFactory {
40  
41      public static FilterConfig create(
42          com.liferay.portal.model.PortletFilter portletFilter,
43          PortletContext ctx) {
44  
45          return _instance._create(portletFilter, ctx);
46      }
47  
48      public static void destroy(
49          com.liferay.portal.model.PortletFilter portletFilter) {
50  
51          _instance._destroy(portletFilter);
52      }
53  
54      private FilterConfigFactory() {
55          _pool = new ConcurrentHashMap<String, Map<String, FilterConfig>>();
56      }
57  
58      private FilterConfig _create(
59          com.liferay.portal.model.PortletFilter portletFilter,
60          PortletContext ctx) {
61  
62          PortletApp portletApp = portletFilter.getPortletApp();
63  
64          Map<String, FilterConfig> filterConfigs =
65              _pool.get(portletApp.getServletContextName());
66  
67          if (filterConfigs == null) {
68              filterConfigs = new ConcurrentHashMap<String, FilterConfig>();
69  
70              _pool.put(portletApp.getServletContextName(), filterConfigs);
71          }
72  
73          FilterConfig filterConfig = filterConfigs.get(
74              portletFilter.getFilterName());
75  
76          if (filterConfig == null) {
77              filterConfig = new FilterConfigImpl(
78                  portletFilter.getFilterName(), ctx,
79                  portletFilter.getInitParams());
80  
81              filterConfigs.put(portletFilter.getFilterName(), filterConfig);
82          }
83  
84          return filterConfig;
85      }
86  
87      private void _destroy(
88          com.liferay.portal.model.PortletFilter portletFilter) {
89  
90          PortletApp portletApp = portletFilter.getPortletApp();
91  
92          _pool.remove(portletApp.getServletContextName());
93      }
94  
95      private static FilterConfigFactory _instance = new FilterConfigFactory();
96  
97      private Map<String, Map<String, FilterConfig>> _pool;
98  
99  }