1 /*
   2  * Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #warn This file is preprocessed before being compiled
  27 
  28 /*
  29  * This class contains a map which records the locale list string for
  30  * each resource in sun.util.resources & sun.text.resources.
  31  * It is used to avoid loading non-existent localized resources so that
  32  * jar files won't be opened unnecessary to look up them.
  33  */
  34 package #Package#;
  35 
  36 import java.util.HashMap;
  37 import java.util.Map;
  38 import sun.util.locale.provider.LocaleDataMetaInfo;
  39 import static sun.util.locale.provider.LocaleProviderAdapter.Type;
  40 
  41 public class #Lang#LocaleDataMetaInfo implements LocaleDataMetaInfo {
  42 
  43     private static final Map<String, String> resourceNameToLocales = new HashMap<>(9);
  44 
  45     static {
  46         /* During JDK build time, #XXX_YYY# will be replaced by a string contain all the locales
  47            supported by the resource.
  48 
  49            Don't remove the space character between " and #. That is put there purposely so that
  50            look up locale string such as "en" could be based on if it contains " en ".
  51         */
  52         resourceNameToLocales.put("FormatData",
  53                                   " #FormatData_Locales# ");
  54 
  55         resourceNameToLocales.put("CollationData",
  56                                   " #CollationData_Locales# ");
  57 
  58         resourceNameToLocales.put("BreakIteratorInfo",
  59                                   " #BreakIteratorInfo_Locales# ");
  60 
  61         resourceNameToLocales.put("BreakIteratorRules",
  62                                   " #BreakIteratorRules_Locales# ");
  63 
  64         resourceNameToLocales.put("TimeZoneNames",
  65                                   " #TimeZoneNames_Locales# ");
  66 
  67         resourceNameToLocales.put("LocaleNames",
  68                                   " #LocaleNames_Locales# ");
  69 
  70         resourceNameToLocales.put("CurrencyNames",
  71                                   " #CurrencyNames_Locales# ");
  72 
  73         resourceNameToLocales.put("CalendarData",
  74                                   " #CalendarData_Locales# ");
  75 
  76         resourceNameToLocales.put("AvailableLocales",
  77                                   " #AvailableLocales_Locales# ");
  78     }
  79 
  80     /*
  81      * Gets the supported locales string based on the availability of
  82      * locale data resource bundles for each resource name.
  83      *
  84      * @param resourceName the resource name
  85      * @return the supported locale string for the passed in resource.
  86      */
  87     public static String getSupportedLocaleString(String resourceName) {
  88         return resourceNameToLocales.getOrDefault(resourceName, "");
  89     }
  90 
  91     @Override
  92     public Type getType() {
  93         return Type.JRE;
  94     }
  95 
  96     @Override
  97     public String availableLanguageTags(String category) {
  98         return getSupportedLocaleString(category);
  99     }
 100 }