1   /**
2    * Copyright (c) 2000-2007 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.portal.theme;
24  
25  import com.liferay.portal.velocity.VelocityContextPool;
26  import com.liferay.util.CollectionFactory;
27  
28  import java.util.Iterator;
29  import java.util.Map;
30  
31  import javax.servlet.ServletContext;
32  
33  /**
34   * <a href="ThemeLoaderFactory.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Brian Wing Shun Chan
37   *
38   */
39  public class ThemeLoaderFactory {
40  
41      public static void init(
42          String servletContextName, ServletContext ctx, String[] xmls) {
43  
44          VelocityContextPool.put(servletContextName, ctx);
45  
46          ThemeLoader themeLoader = new ThemeLoader(
47              servletContextName, ctx, xmls);
48  
49          _themeLoaders.put(servletContextName, themeLoader);
50      }
51  
52      public static boolean destroy(String servletContextName) {
53          ThemeLoader themeLoader =
54              (ThemeLoader)_themeLoaders.remove(servletContextName);
55  
56          if (themeLoader == null) {
57              return false;
58          }
59          else {
60              VelocityContextPool.remove(servletContextName);
61  
62              themeLoader.destroy();
63  
64              return true;
65          }
66      }
67  
68      public static ThemeLoader getDefaultThemeLoader() {
69          ThemeLoader themeLoader = null;
70  
71          Iterator itr = _themeLoaders.entrySet().iterator();
72  
73          if (itr.hasNext()) {
74              Map.Entry entry = (Map.Entry)itr.next();
75  
76              themeLoader = (ThemeLoader)entry.getValue();
77          }
78  
79          return themeLoader;
80      }
81  
82      public static ThemeLoader getThemeLoader(String servletContextName) {
83          return (ThemeLoader)_themeLoaders.get(servletContextName);
84      }
85  
86      public static void loadThemes() {
87          Iterator itr = _themeLoaders.entrySet().iterator();
88  
89          while (itr.hasNext()) {
90              Map.Entry entry = (Map.Entry)itr.next();
91  
92              ThemeLoader themeLoader = (ThemeLoader)entry.getValue();
93  
94              themeLoader.loadThemes();
95          }
96      }
97  
98      private static Map _themeLoaders = CollectionFactory.getHashMap();
99  
100 }