| FilterConfigFactory.java |
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 }