115 String order = AccessController.doPrivileged(
116 new sun.security.action.GetPropertyAction("java.locale.providers"));
117 // Override adapterPreference with the properties one
118 if (order != null && order.length() != 0) {
119 String[] types = order.split(",");
120 List<Type> typeList = new ArrayList<>();
121 for (String type : types) {
122 try {
123 Type aType = Type.valueOf(type.trim().toUpperCase(Locale.ROOT));
124
125 // load adapter if necessary
126 switch (aType) {
127 case CLDR:
128 cldrLocaleProviderAdapter = new CLDRLocaleProviderAdapter();
129 break;
130 case HOST:
131 hostLocaleProviderAdapter = new HostLocaleProviderAdapter();
132 break;
133 }
134 typeList.add(aType);
135 } catch (// could be caused by the user specifying wrong
136 // provider name or format in the system property
137 IllegalArgumentException |
138 UnsupportedOperationException e) {
139 LocaleServiceProviderPool.config(LocaleProviderAdapter.class, e.toString());
140 }
141 }
142
143 if (!typeList.contains(Type.JRE)) {
144 // Append JRE as the last resort.
145 typeList.add(Type.JRE);
146 }
147 adapterPreference = typeList.toArray(new Type[0]);
148 }
149 }
150
151
152 /**
153 * Returns the singleton instance for each adapter type
154 */
155 public static LocaleProviderAdapter forType(Type type) {
156 switch (type) {
157 case JRE:
158 return jreLocaleProviderAdapter;
159 case CLDR:
160 return cldrLocaleProviderAdapter;
161 case SPI:
162 return spiLocaleProviderAdapter;
163 case HOST:
164 return hostLocaleProviderAdapter;
165 default:
166 throw new InternalError("unknown locale data adapter type");
167 }
168 }
169
170 public static LocaleProviderAdapter forJRE() {
171 return jreLocaleProviderAdapter;
172 }
173
174 public static LocaleProviderAdapter getResourceBundleBased() {
175 for (Type type : getAdapterPreference()) {
176 if (type == Type.JRE || type == Type.CLDR) {
177 return forType(type);
178 }
179 }
180 // Shouldn't happen.
181 throw new InternalError();
182 }
183 /**
184 * Returns the preference order of LocaleProviderAdapter.Type
185 */
186 public static Type[] getAdapterPreference() {
187 return adapterPreference;
188 }
189
190 /**
191 * Returns a LocaleProviderAdapter for the given locale service provider that
192 * best matches the given locale. This method returns the LocaleProviderAdapter
193 * for JRE if none is found for the given locale.
194 *
195 * @param providerClass the class for the locale service provider
196 * @param locale the desired locale.
197 * @return a LocaleProviderAdapter
198 */
199 public static LocaleProviderAdapter getAdapter(Class<? extends LocaleServiceProvider> providerClass,
200 Locale locale) {
201 // Fast look-up for the given locale
202 LocaleProviderAdapter adapter = findAdapter(providerClass, locale);
203 if (adapter != null) {
204 return adapter;
205 }
206
207 // Try finding an adapter in the normal candidate locales path of the given locale.
208 List<Locale> lookupLocales = ResourceBundle.Control.getControl(ResourceBundle.Control.FORMAT_DEFAULT)
209 .getCandidateLocales("", locale);
210 for (Locale loc : lookupLocales) {
211 if (loc.equals(locale)) {
212 // We've already done with this loc.
213 continue;
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115 String order = AccessController.doPrivileged(
116 new sun.security.action.GetPropertyAction("java.locale.providers"));
117 // Override adapterPreference with the properties one
118 if (order != null && order.length() != 0) {
119 String[] types = order.split(",");
120 List<Type> typeList = new ArrayList<>();
121 for (String type : types) {
122 try {
123 Type aType = Type.valueOf(type.trim().toUpperCase(Locale.ROOT));
124
125 // load adapter if necessary
126 switch (aType) {
127 case CLDR:
128 cldrLocaleProviderAdapter = new CLDRLocaleProviderAdapter();
129 break;
130 case HOST:
131 hostLocaleProviderAdapter = new HostLocaleProviderAdapter();
132 break;
133 }
134 typeList.add(aType);
135 } catch (IllegalArgumentException |
136 UnsupportedOperationException e) {
137 // could be caused by the user specifying wrong
138 // provider name or format in the system property
139 LocaleServiceProviderPool.config(LocaleProviderAdapter.class, e.toString());
140 }
141 }
142 adapterPreference = typeList.toArray(new Type[0]);
143 }
144 }
145
146
147 /**
148 * Returns the singleton instance for each adapter type
149 */
150 public static LocaleProviderAdapter forType(Type type) {
151 switch (type) {
152 case JRE:
153 return jreLocaleProviderAdapter;
154 case CLDR:
155 return cldrLocaleProviderAdapter;
156 case SPI:
157 return spiLocaleProviderAdapter;
158 case HOST:
159 return hostLocaleProviderAdapter;
160 default:
161 throw new InternalError("unknown locale data adapter type");
162 }
163 }
164
165 public static LocaleProviderAdapter forJRE() {
166 return jreLocaleProviderAdapter;
167 }
168
169 public static LocaleProviderAdapter getResourceBundleBased() {
170 for (Type type : getAdapterPreference()) {
171 if (type == Type.JRE || type == Type.CLDR) {
172 return forType(type);
173 }
174 }
175
176 // for the last resort JRE adapter
177 return forType(Type.JRE);
178 }
179 /**
180 * Returns the preference order of LocaleProviderAdapter.Type
181 */
182 public static Type[] getAdapterPreference() {
183 return adapterPreference;
184 }
185
186 /**
187 * Returns a LocaleProviderAdapter for the given locale service provider that
188 * best matches the given locale. This method returns the LocaleProviderAdapter
189 * for JRE if none is found for the ROOT locale.
190 *
191 * @param providerClass the class for the locale service provider
192 * @param locale the desired locale.
193 * @return a LocaleProviderAdapter
194 */
195 public static LocaleProviderAdapter getAdapter(Class<? extends LocaleServiceProvider> providerClass,
196 Locale locale) {
197 // Fast look-up for the given locale
198 LocaleProviderAdapter adapter = findAdapter(providerClass, locale);
199 if (adapter != null) {
200 return adapter;
201 }
202
203 // Try finding an adapter in the normal candidate locales path of the given locale.
204 List<Locale> lookupLocales = ResourceBundle.Control.getControl(ResourceBundle.Control.FORMAT_DEFAULT)
205 .getCandidateLocales("", locale);
206 for (Locale loc : lookupLocales) {
207 if (loc.equals(locale)) {
208 // We've already done with this loc.
209 continue;
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