svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.i18n / utils / java / src / org / gvsig / i18n / utils / TranslationDatabase.java @ 40559
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1 | 40435 | jjdelcerro | /**
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2 | 40559 | jjdelcerro | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 3
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | */
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24 | /**
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25 | 40435 | jjdelcerro | *
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26 | */
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27 | package org.gvsig.i18n.utils; |
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28 | |||
29 | import java.io.File; |
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30 | import java.io.FileInputStream; |
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31 | import java.io.FileNotFoundException; |
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32 | import java.io.FileOutputStream; |
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33 | import java.io.IOException; |
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34 | import java.util.ArrayList; |
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35 | import java.util.HashMap; |
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36 | import java.util.Iterator; |
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37 | import java.util.Set; |
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38 | |||
39 | /**
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40 | * @author cesar
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41 | *
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42 | */
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43 | public class TranslationDatabase { |
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44 | |||
45 | public TranslationDatabase(ConfigOptions config){
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46 | this.config = config;
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47 | } |
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48 | |||
49 | private ConfigOptions config;
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50 | private HashMap dictionaries; |
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51 | |||
52 | public void load() { |
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53 | // always start with an empty HashMap when loading
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54 | dictionaries = new HashMap(); |
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55 | String lang;
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56 | DoubleProperties dictionary; |
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57 | |||
58 | FileInputStream stream=null; |
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59 | |||
60 | for (int currentLang=0; currentLang<config.languages.length; currentLang++) { |
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61 | lang = config.languages[currentLang]; |
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62 | dictionary = new DoubleProperties();
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63 | try {
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64 | stream = new FileInputStream(config.databaseDir+File.separator+config.defaultBaseName+"_"+lang+".properties"); |
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65 | try {
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66 | dictionary.load(stream); |
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67 | } catch (IOException e) { |
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68 | System.err.println("Error cargando la base de datos para el idioma: ["+lang+"]. "+e.getLocalizedMessage()); |
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69 | } |
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70 | } catch (FileNotFoundException e) { |
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71 | System.err.println("Error cargando la base de datos para el idioma: ["+lang+"]. "+e.getLocalizedMessage()); |
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72 | } |
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73 | dictionaries.put(lang, dictionary); |
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74 | } |
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75 | } |
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76 | |||
77 | public void save() { |
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78 | String lang;
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79 | DoubleProperties dictionary; |
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80 | |||
81 | FileOutputStream stream=null; |
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82 | |||
83 | for (int currentLang=0; currentLang<config.languages.length; currentLang++) { |
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84 | lang = config.languages[currentLang]; |
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85 | |||
86 | dictionary = ((DoubleProperties)dictionaries.get(lang)); |
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87 | |||
88 | try {
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89 | stream = new FileOutputStream(config.databaseDir+File.separator+config.defaultBaseName+"_"+lang+".properties"); |
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90 | try {
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91 | dictionary.store(stream, "Translations for language: " + lang);
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92 | } catch (IOException e) { |
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93 | System.err.println("Error guardando la base de datos para el idioma: ["+lang+"]. "+e.getLocalizedMessage()); |
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94 | } |
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95 | } catch (FileNotFoundException e) { |
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96 | System.err.println("Error guardando la base de datos para el idioma: ["+lang+"]. "+e.getLocalizedMessage()); |
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97 | } |
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98 | } |
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99 | } |
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100 | |||
101 | public String getTranslation(String lang, String key) { |
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102 | if (lang==null || key==null) return null; |
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103 | |||
104 | DoubleProperties dictionary = (DoubleProperties) dictionaries.get(lang); |
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105 | if (dictionary==null) return null; |
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106 | return (String) dictionary.get(key); |
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107 | } |
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108 | |||
109 | public String setTranslation(String lang, String key, String translation) { |
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110 | if (lang==null || key==null) return null; |
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111 | |||
112 | DoubleProperties dictionary = (DoubleProperties) dictionaries.get(lang); |
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113 | if (dictionary==null) return null; |
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114 | String oldvalue = (String) dictionary.get(key); |
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115 | dictionary.put(key, translation); |
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116 | return oldvalue;
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117 | } |
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118 | |||
119 | /**
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120 | * Removes the key from the specified dictionary, and its associated translation.
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121 | * It has no effect if the key was not present in the dictionary.
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122 | *
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123 | * @param lang The language from which the key should be removed.
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124 | * @param key The key to be removed.
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125 | * @return The translation associated with the key, or null if the
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126 | * key was not present in the dictionary. It also returns null if any of the parameters is
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127 | * null, or if there was no dictionary for the specified language.
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128 | */
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129 | public String removeTranslation(String lang, String key) { |
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130 | if (lang==null || key==null) return null; |
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131 | |||
132 | DoubleProperties dictionary = (DoubleProperties) dictionaries.get(lang); |
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133 | if (dictionary==null) return null; |
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134 | String oldvalue = (String) dictionary.get(key); |
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135 | dictionary.remove(key); |
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136 | return oldvalue;
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137 | } |
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138 | |||
139 | /**
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140 | * Removes the key and its associated translation from all the dictionaries.
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141 | * The key will be deleted from the dictionaries in which it is present (if any).
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142 | *
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143 | * @param key The key to be removed.
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144 | * @return True if the key was removed from any dictionary, or false if the key
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145 | * was not present in any dictionary.
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146 | * @throws NullPointerException if the key is null.
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147 | */
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148 | public boolean removeTranslation(String key) throws NullPointerException { |
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149 | DoubleProperties dictionary; |
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150 | String lang;
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151 | boolean present=false; |
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152 | |||
153 | Set keys = dictionaries.keySet();
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154 | Iterator langIterator = keys.iterator();
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155 | while (langIterator.hasNext()) {
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156 | lang = (String) langIterator.next();
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157 | dictionary = (DoubleProperties) dictionaries.get(lang); |
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158 | if (dictionary.containsKey(key)) {
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159 | present=true;
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160 | dictionary.remove(key); |
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161 | } |
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162 | } |
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163 | return present;
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164 | } |
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165 | |||
166 | public boolean containsLanguage(String lang) { |
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167 | return dictionaries.containsKey(lang);
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168 | } |
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169 | |||
170 | public boolean containsKey(String lang, String key) { |
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171 | if (lang==null || key==null) return false; |
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172 | |||
173 | DoubleProperties dictionary = (DoubleProperties) dictionaries.get(lang); |
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174 | return dictionary.containsKey(key);
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175 | } |
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176 | |||
177 | public String getAssociatedKey(String lang, String value) { |
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178 | if (lang==null || value==null) return null; |
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179 | |||
180 | DoubleProperties dictionary = (DoubleProperties) dictionaries.get(lang); |
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181 | return dictionary.getAssociatedKey(value);
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182 | } |
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183 | |||
184 | public ArrayList getAssociatedKeys(String lang, String value) { |
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185 | if (lang==null || value==null) return null; |
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186 | |||
187 | DoubleProperties dictionary = (DoubleProperties) dictionaries.get(lang); |
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188 | return dictionary.getAssociatedKeys(value);
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189 | } |
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190 | |||
191 | public boolean containsTranslation(String lang, String translation) { |
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192 | if (lang==null || translation==null) return false; |
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193 | |||
194 | DoubleProperties dictionary = (DoubleProperties) dictionaries.get(lang); |
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195 | return dictionary.containsValue(translation);
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196 | } |
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197 | } |