001
014
015 package com.liferay.portlet;
016
017 import com.liferay.portal.kernel.io.unsync.UnsyncByteArrayInputStream;
018 import com.liferay.portal.kernel.log.Log;
019 import com.liferay.portal.kernel.log.LogFactoryUtil;
020 import com.liferay.portal.kernel.util.LocaleUtil;
021 import com.liferay.portal.kernel.util.ResourceBundleUtil;
022
023 import java.io.IOException;
024
025 import java.util.HashMap;
026 import java.util.Iterator;
027 import java.util.LinkedHashMap;
028 import java.util.Locale;
029 import java.util.Map;
030 import java.util.PropertyResourceBundle;
031 import java.util.ResourceBundle;
032 import java.util.concurrent.ConcurrentHashMap;
033
034 import javax.servlet.http.HttpServletRequest;
035 import javax.servlet.jsp.PageContext;
036
037 import org.apache.struts.util.RequestUtils;
038
039
042 public class PortletResourceBundles {
043
044 public static String getString(Locale locale, String key) {
045 return _instance._getString(locale, key);
046 }
047
048 public static String getString(PageContext pageContext, String key) {
049 return _instance._getString(pageContext, key);
050 }
051
052 public static String getString(String languageId, String key) {
053 return _instance._getString(languageId, key);
054 }
055
056 public static String getString(
057 String servletContextName, String languageId, String key) {
058
059 return _instance._getString(servletContextName, languageId, key);
060 }
061
062 public static void put(
063 String servletContextName, String languageId,
064 ResourceBundle resourceBundle) {
065
066 _instance._put(servletContextName, languageId, resourceBundle);
067 }
068
069 public static void remove(String servletContextName) {
070 _instance._remove(servletContextName);
071 }
072
073 private PortletResourceBundles() {
074 _resourceBundles =
075 new ConcurrentHashMap<String, Map<String, ResourceBundle>>(
076 new LinkedHashMap<String, Map<String, ResourceBundle>>());
077 }
078
079 private ResourceBundle _getResourceBundle(
080 Map<String, ResourceBundle> resourceBundles, String languageId) {
081
082 ResourceBundle resourceBundle = resourceBundles.get(languageId);
083
084 if (resourceBundle == null) {
085 try {
086 resourceBundle = new PropertyResourceBundle(
087 new UnsyncByteArrayInputStream(new byte[0]));
088
089 resourceBundles.put(languageId, resourceBundle);
090 }
091 catch (IOException ioe) {
092 _log.error(ioe);
093 }
094 }
095
096 return resourceBundle;
097 }
098
099 private ResourceBundle _getResourceBundle(
100 String servletContextName, String languageId) {
101
102 Map<String, ResourceBundle> resourceBundles = _getResourceBundles(
103 servletContextName);
104
105 return _getResourceBundle(resourceBundles, languageId);
106 }
107
108 private Map<String, ResourceBundle> _getResourceBundles(
109 String servletContextName) {
110
111 Map<String, ResourceBundle> resourceBundles = _resourceBundles.get(
112 servletContextName);
113
114 if (resourceBundles == null) {
115 resourceBundles = new HashMap<String, ResourceBundle>();
116
117 _resourceBundles.put(servletContextName, resourceBundles);
118 }
119
120 return resourceBundles;
121 }
122
123 private String _getString(Locale locale, String key) {
124 return _getString(LocaleUtil.toLanguageId(locale), key);
125 }
126
127 private String _getString(PageContext pageContext, String key) {
128 Locale locale = RequestUtils.getUserLocale(
129 (HttpServletRequest)pageContext.getRequest(), null);
130
131 return _getString(locale, key);
132 }
133
134 private String _getString(String languageId, String key) {
135 return _getString(null, languageId, key);
136 }
137
138 private String _getString(
139 String servletContextName, String languageId, String key) {
140
141 if (servletContextName != null) {
142 ResourceBundle resourceBundle = _getResourceBundle(
143 servletContextName, languageId);
144
145 return resourceBundle.getString(key);
146 }
147
148 Iterator<Map.Entry<String, Map<String, ResourceBundle>>> itr =
149 _resourceBundles.entrySet().iterator();
150
151 while (itr.hasNext()) {
152 Map.Entry<String, Map<String, ResourceBundle>> entry = itr.next();
153
154 Map<String, ResourceBundle> resourceBundles = entry.getValue();
155
156 ResourceBundle resourceBundle = _getResourceBundle(
157 resourceBundles, languageId);
158
159 return ResourceBundleUtil.getString(resourceBundle, key);
160 }
161
162 return null;
163 }
164
165 private void _put(
166 String servletContextName, String languageId,
167 ResourceBundle resourceBundle) {
168
169 Map<String, ResourceBundle> resourceBundles = _getResourceBundles(
170 servletContextName);
171
172 resourceBundles.put(languageId, resourceBundle);
173 }
174
175 private void _remove(String servletContextName) {
176 _resourceBundles.remove(servletContextName);
177 }
178
179 private static Log _log = LogFactoryUtil.getLog(
180 PortletResourceBundles.class);
181
182 private static PortletResourceBundles _instance =
183 new PortletResourceBundles();
184
185 private Map<String, Map<String, ResourceBundle>> _resourceBundles;
186
187 }