jars/icu4j-4_4_2-src/main/classes/core/src/com/ibm/icu/impl/CurrencyData.java

   1 /*\r
   2  *******************************************************************************\r
   3  * Copyright (C) 2009-2010, International Business Machines Corporation and    *\r
   4  * others. All Rights Reserved.                                                *\r
   5  *******************************************************************************\r
   6  */\r
   7 package com.ibm.icu.impl;\r
   8 \r
   9 import java.util.Collections;\r
  10 import java.util.Map;\r
  11 \r
  12 import com.ibm.icu.text.CurrencyDisplayNames;\r
  13 import com.ibm.icu.util.ULocale;\r
  14 \r
  15 public class CurrencyData {\r
  16     public static final CurrencyDisplayInfoProvider provider;\r
  17 \r
  18     public static interface CurrencyDisplayInfoProvider {\r
  19         CurrencyDisplayInfo getInstance(ULocale locale, boolean withFallback);\r
  20         boolean hasData();\r
  21     }\r
  22 \r
  23     public static abstract class CurrencyDisplayInfo extends CurrencyDisplayNames {\r
  24         public abstract Map<String, String> getUnitPatterns();\r
  25         public abstract CurrencyFormatInfo getFormatInfo(String isoCode);\r
  26         public abstract CurrencySpacingInfo getSpacingInfo();\r
  27     }\r
  28 \r
  29     public static final class CurrencyFormatInfo {\r
  30         public final String currencyPattern;\r
  31         public final char monetarySeparator;\r
  32         public final char monetaryGroupingSeparator;\r
  33 \r
  34         public CurrencyFormatInfo(String currencyPattern, char monetarySeparator,\r
  35                 char monetaryGroupingSeparator) {\r
  36             this.currencyPattern = currencyPattern;\r
  37             this.monetarySeparator = monetarySeparator;\r
  38             this.monetaryGroupingSeparator = monetaryGroupingSeparator;\r
  39         }\r
  40     }\r
  41 \r
  42     public static final class CurrencySpacingInfo {\r
  43         public final String beforeCurrencyMatch;\r
  44         public final String beforeContextMatch;\r
  45         public final String beforeInsert;\r
  46         public final String afterCurrencyMatch;\r
  47         public final String afterContextMatch;\r
  48         public final String afterInsert;\r
  49 \r
  50         public CurrencySpacingInfo(\r
  51                 String beforeCurrencyMatch, String beforeContextMatch, String beforeInsert,\r
  52                 String afterCurrencyMatch, String afterContextMatch, String afterInsert) {\r
  53             this.beforeCurrencyMatch = beforeCurrencyMatch;\r
  54             this.beforeContextMatch = beforeContextMatch;\r
  55             this.beforeInsert = beforeInsert;\r
  56             this.afterCurrencyMatch = afterCurrencyMatch;\r
  57             this.afterContextMatch = afterContextMatch;\r
  58             this.afterInsert = afterInsert;\r
  59         }\r
  60 \r
  61 \r
  62         private static final String DEFAULT_CUR_MATCH = "[:letter:]";\r
  63         private static final String DEFAULT_CTX_MATCH = "[:digit:]";\r
  64         private static final String DEFAULT_INSERT = " ";\r
  65 \r
  66         public static final CurrencySpacingInfo DEFAULT = new CurrencySpacingInfo(\r
  67                 DEFAULT_CUR_MATCH, DEFAULT_CTX_MATCH, DEFAULT_INSERT,\r
  68                 DEFAULT_CUR_MATCH, DEFAULT_CTX_MATCH, DEFAULT_INSERT);\r
  69     }\r
  70 \r
  71     static {\r
  72         CurrencyDisplayInfoProvider temp = null;\r
  73         try {\r
  74             Class<?> clzz = Class.forName("com.ibm.icu.impl.ICUCurrencyDisplayInfoProvider");\r
  75             temp = (CurrencyDisplayInfoProvider) clzz.newInstance();\r
  76         } catch (Throwable t) {\r
  77             temp = new CurrencyDisplayInfoProvider() {\r
  78                 public CurrencyDisplayInfo getInstance(ULocale locale, boolean withFallback) {\r
  79                     return DefaultInfo.getWithFallback(withFallback);\r
  80                 }\r
  81 \r
  82                 public boolean hasData() {\r
  83                     return false;\r
  84                 }\r
  85             };\r
  86         }\r
  87         provider = temp;\r
  88     }\r
  89 \r
  90     public static class DefaultInfo extends CurrencyDisplayInfo {\r
  91         private final boolean fallback;\r
  92 \r
  93         private DefaultInfo(boolean fallback) {\r
  94             this.fallback = fallback;\r
  95         }\r
  96 \r
  97         public static final CurrencyDisplayInfo getWithFallback(boolean fallback) {\r
  98             return fallback ? FALLBACK_INSTANCE : NO_FALLBACK_INSTANCE;\r
  99         }\r
 100 \r
 101         @Override\r
 102         public String getName(String isoCode) {\r
 103             return fallback ? isoCode : null;\r
 104         }\r
 105 \r
 106         @Override\r
 107         public String getPluralName(String isoCode, String pluralType) {\r
 108             return fallback ? isoCode : null;\r
 109         }\r
 110 \r
 111         @Override\r
 112         public String getSymbol(String isoCode) {\r
 113             return fallback ? isoCode : null;\r
 114         }\r
 115 \r
 116         @Override\r
 117         public Map<String, String> symbolMap() {\r
 118             return Collections.emptyMap();\r
 119         }\r
 120 \r
 121         @Override\r
 122         public Map<String, String> nameMap() {\r
 123             return Collections.emptyMap();\r
 124         }\r
 125 \r
 126         @Override\r
 127         public ULocale getLocale() {\r
 128             return ULocale.ROOT;\r
 129         }\r
 130 \r
 131         @Override\r
 132         public Map<String, String> getUnitPatterns() {\r
 133             if (fallback) {\r
 134                 return Collections.emptyMap();\r
 135             }\r
 136             return null;\r
 137         }\r
 138 \r
 139         @Override\r
 140         public CurrencyFormatInfo getFormatInfo(String isoCode) {\r
 141             return null;\r
 142         }\r
 143 \r
 144         @Override\r
 145         public CurrencySpacingInfo getSpacingInfo() {\r
 146             return fallback ? CurrencySpacingInfo.DEFAULT : null;\r
 147         }\r
 148 \r
 149         private static final CurrencyDisplayInfo FALLBACK_INSTANCE = new DefaultInfo(true);\r
 150         private static final CurrencyDisplayInfo NO_FALLBACK_INSTANCE = new DefaultInfo(false);\r
 151     }\r
 152 }\r