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      1 /*
      2  * Licensed to the Apache Software Foundation (ASF) under one
      3  * or more contributor license agreements. See the NOTICE file
      4  * distributed with this work for additional information
      5  * regarding copyright ownership. The ASF licenses this file
      6  * to you under the Apache License, Version 2.0 (the  "License");
      7  * you may not use this file except in compliance with the License.
      8  * You may obtain a copy of the License at
      9  *
     10  *     http://www.apache.org/licenses/LICENSE-2.0
     11  *
     12  * Unless required by applicable law or agreed to in writing, software
     13  * distributed under the License is distributed on an "AS IS" BASIS,
     14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     15  * See the License for the specific language governing permissions and
     16  * limitations under the License.
     17  */
     18 /*
     19  * $Id: XResourceBundle.java 468655 2006-10-28 07:12:06Z minchau $
     20  */
     21 package org.apache.xml.utils.res;
     22 
     23 import java.util.ListResourceBundle;
     24 import java.util.Locale;
     25 import java.util.MissingResourceException;
     26 import java.util.ResourceBundle;
     27 
     28 /**
     29  * The default (english) resource bundle.
     30  * @xsl.usage internal
     31  */
     32 public class XResourceBundle extends ListResourceBundle
     33 {
     34 
     35   /** Error resource constants */
     36   public static final String ERROR_RESOURCES =
     37     "org.apache.xalan.res.XSLTErrorResources", XSLT_RESOURCE =
     38     "org.apache.xml.utils.res.XResourceBundle", LANG_BUNDLE_NAME =
     39     "org.apache.xml.utils.res.XResources", MULT_ORDER =
     40     "multiplierOrder", MULT_PRECEDES = "precedes", MULT_FOLLOWS =
     41     "follows", LANG_ORIENTATION = "orientation", LANG_RIGHTTOLEFT =
     42     "rightToLeft", LANG_LEFTTORIGHT = "leftToRight", LANG_NUMBERING =
     43     "numbering", LANG_ADDITIVE = "additive", LANG_MULT_ADD =
     44     "multiplicative-additive", LANG_MULTIPLIER =
     45     "multiplier", LANG_MULTIPLIER_CHAR =
     46     "multiplierChar", LANG_NUMBERGROUPS = "numberGroups", LANG_NUM_TABLES =
     47     "tables", LANG_ALPHABET = "alphabet", LANG_TRAD_ALPHABET = "tradAlphabet";
     48 
     49   /**
     50    * Return a named ResourceBundle for a particular locale.  This method mimics the behavior
     51    * of ResourceBundle.getBundle().
     52    *
     53    * @param className Name of local-specific subclass.
     54    * @param locale the locale to prefer when searching for the bundle
     55    */
     56   public static final XResourceBundle loadResourceBundle(
     57           String className, Locale locale) throws MissingResourceException
     58   {
     59 
     60     String suffix = getResourceSuffix(locale);
     61 
     62     //System.out.println("resource " + className + suffix);
     63     try
     64     {
     65 
     66       // first try with the given locale
     67       String resourceName = className + suffix;
     68       return (XResourceBundle) ResourceBundle.getBundle(resourceName, locale);
     69     }
     70     catch (MissingResourceException e)
     71     {
     72       try  // try to fall back to en_US if we can't load
     73       {
     74 
     75         // Since we can't find the localized property file,
     76         // fall back to en_US.
     77         return (XResourceBundle) ResourceBundle.getBundle(
     78           XSLT_RESOURCE, new Locale("en", "US"));
     79       }
     80       catch (MissingResourceException e2)
     81       {
     82 
     83         // Now we are really in trouble.
     84         // very bad, definitely very bad...not going to get very far
     85         throw new MissingResourceException(
     86           "Could not load any resource bundles.", className, "");
     87       }
     88     }
     89   }
     90 
     91   /**
     92    * Return the resource file suffic for the indicated locale
     93    * For most locales, this will be based the language code.  However
     94    * for Chinese, we do distinguish between Taiwan and PRC
     95    *
     96    * @param locale the locale
     97    * @return an String suffix which canbe appended to a resource name
     98    */
     99   private static final String getResourceSuffix(Locale locale)
    100   {
    101 
    102     String lang = locale.getLanguage();
    103     String country = locale.getCountry();
    104     String variant = locale.getVariant();
    105     String suffix = "_" + locale.getLanguage();
    106 
    107     if (lang.equals("zh"))
    108       suffix += "_" + country;
    109 
    110     if (country.equals("JP"))
    111       suffix += "_" + country + "_" + variant;
    112 
    113     return suffix;
    114   }
    115 
    116   /**
    117    * Get the association list.
    118    *
    119    * @return The association list.
    120    */
    121   public Object[][] getContents()
    122   {
    123     return new Object[][]
    124   {
    125     { "ui_language", "en" }, { "help_language", "en" }, { "language", "en" },
    126     { "alphabet", new CharArrayWrapper(new char[]{ 'A', 'B', 'C', 'D', 'E', 'F', 'G',
    127          'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U',
    128          'V', 'W', 'X', 'Y', 'Z' })},
    129     { "tradAlphabet", new CharArrayWrapper(new char[]{ 'A', 'B', 'C', 'D', 'E', 'F',
    130          'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
    131          'U', 'V', 'W', 'X', 'Y', 'Z' }) },
    132 
    133     //language orientation
    134     { "orientation", "LeftToRight" },
    135 
    136     //language numbering
    137     { "numbering", "additive" },
    138   };
    139   }
    140 }
    141