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1   /*
2    * Copyright 2004-2008 the Seasar Foundation and the Others.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13   * either express or implied. See the License for the specific language
14   * governing permissions and limitations under the License.
15   */
16  package org.seasar.cubby.controller;
17  
18  import static org.seasar.cubby.CubbyConstants.RES_MESSAGES;
19  
20  import java.util.Locale;
21  import java.util.Map;
22  import java.util.ResourceBundle;
23  
24  import javax.servlet.http.HttpServletRequest;
25  
26  import org.seasar.framework.container.SingletonS2Container;
27  import org.seasar.framework.util.ResourceBundleUtil;
28  
29  public class ThreadContext {
30  
31  	private static final ThreadLocal<ThreadContext> CONTEXT = new ThreadLocal<ThreadContext>() {
32  
33  		@Override
34  		protected ThreadContext initialValue() {
35  			return new ThreadContext();
36  		}
37  
38  	};
39  
40  	public static void remove() {
41  		CONTEXT.remove();
42  	}
43  
44  	public static HttpServletRequest getRequest() {
45  		return CONTEXT.get().request;
46  	}
47  
48  	public static void setRequest(final HttpServletRequest request) {
49  		CONTEXT.get().request = request;
50  	}
51  
52  	public static CubbyConfiguration getConfiguration() {
53  		return SingletonS2Container.getComponent(CubbyConfiguration.class);
54  	}
55  
56  	public static ResourceBundle getMessagesResourceBundle() {
57  		final ThreadContext context = CONTEXT.get();
58  		if (context.resourceBundle == null) {
59  			final Locale locale;
60  			if (context.request == null) {
61  				locale = Locale.getDefault();
62  			} else {
63  				locale = context.request.getLocale();
64  			}
65  			context.resourceBundle = ResourceBundleUtil.getBundle(RES_MESSAGES,
66  					locale);
67  		}
68  		return context.resourceBundle;
69  	}
70  
71  	public static Map<?, ?> getMessagesMap() {
72  		final ThreadContext context = CONTEXT.get();
73  		if (context.messages == null) {
74  			final ResourceBundle resourceBundle = getMessagesResourceBundle();
75  			context.messages = ResourceBundleUtil.convertMap(resourceBundle);
76  		}
77  		return context.messages;
78  	}
79  
80  	private ThreadContext() {
81  	}
82  
83  	private HttpServletRequest request;
84  
85  	private ResourceBundle resourceBundle = null;
86  
87  	private Map<?, ?> messages = null;
88  
89  }