svn-gvsig-desktop / tags / v1_0_2_Build_905 / libraries / libInternationalization / src-utils / org / gvsig / i18n / utils / TranslationDatabase.java @ 10767
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/**
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*
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*/
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package org.gvsig.i18n.utils; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileNotFoundException; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.Set; |
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/**
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* @author cesar
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*
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*/
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public class TranslationDatabase { |
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public TranslationDatabase(ConfigOptions config){
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this.config = config;
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} |
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private ConfigOptions config;
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private HashMap dictionaries; |
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public void load() { |
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// always start with an empty HashMap when loading
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dictionaries = new HashMap(); |
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String lang;
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DoubleProperties dictionary; |
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FileInputStream stream=null; |
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for (int currentLang=0; currentLang<config.languages.length; currentLang++) { |
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lang = config.languages[currentLang]; |
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dictionary = new DoubleProperties();
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try {
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stream = new FileInputStream(config.databaseDir+File.separator+config.defaultBaseName+"_"+lang+".properties"); |
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try {
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dictionary.load(stream); |
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} catch (IOException e) { |
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System.err.println("Error cargando la base de datos para el idioma: ["+lang+"]. "+e.getLocalizedMessage()); |
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} |
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} catch (FileNotFoundException e) { |
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System.err.println("Error cargando la base de datos para el idioma: ["+lang+"]. "+e.getLocalizedMessage()); |
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} |
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dictionaries.put(lang, dictionary); |
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} |
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} |
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public void save() { |
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String lang;
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DoubleProperties dictionary; |
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FileOutputStream stream=null; |
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for (int currentLang=0; currentLang<config.languages.length; currentLang++) { |
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lang = config.languages[currentLang]; |
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dictionary = ((DoubleProperties)dictionaries.get(lang)); |
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try {
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stream = new FileOutputStream(config.databaseDir+File.separator+config.defaultBaseName+"_"+lang+".properties"); |
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try {
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dictionary.store(stream, "Translations for language: " + lang);
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} catch (IOException e) { |
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System.err.println("Error guardando la base de datos para el idioma: ["+lang+"]. "+e.getLocalizedMessage()); |
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} |
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} catch (FileNotFoundException e) { |
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System.err.println("Error guardando la base de datos para el idioma: ["+lang+"]. "+e.getLocalizedMessage()); |
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} |
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} |
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} |
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public String getTranslation(String lang, String key) { |
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if (lang==null || key==null) return null; |
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DoubleProperties dictionary = (DoubleProperties) dictionaries.get(lang); |
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if (dictionary==null) return null; |
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return (String) dictionary.get(key); |
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} |
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public String setTranslation(String lang, String key, String translation) { |
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if (lang==null || key==null) return null; |
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DoubleProperties dictionary = (DoubleProperties) dictionaries.get(lang); |
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if (dictionary==null) return null; |
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String oldvalue = (String) dictionary.get(key); |
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dictionary.put(key, translation); |
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return oldvalue;
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} |
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/**
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* Removes the key from the specified dictionary, and its associated translation.
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* It has no effect if the key was not present in the dictionary.
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*
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* @param lang The language from which the key should be removed.
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* @param key The key to be removed.
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* @return The translation associated with the key, or null if the
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* key was not present in the dictionary. It also returns null if any of the parameters is
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* null, or if there was no dictionary for the specified language.
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*/
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public String removeTranslation(String lang, String key) { |
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if (lang==null || key==null) return null; |
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DoubleProperties dictionary = (DoubleProperties) dictionaries.get(lang); |
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if (dictionary==null) return null; |
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String oldvalue = (String) dictionary.get(key); |
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dictionary.remove(key); |
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return oldvalue;
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} |
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/**
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* Removes the key and its associated translation from all the dictionaries.
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* The key will be deleted from the dictionaries in which it is present (if any).
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*
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* @param key The key to be removed.
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* @return True if the key was removed from any dictionary, or false if the key
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* was not present in any dictionary.
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* @throws NullPointerException if the key is null.
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*/
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public boolean removeTranslation(String key) throws NullPointerException { |
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DoubleProperties dictionary; |
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String lang;
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boolean present=false; |
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Set keys = dictionaries.keySet();
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Iterator langIterator = keys.iterator();
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while (langIterator.hasNext()) {
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lang = (String) langIterator.next();
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dictionary = (DoubleProperties) dictionaries.get(lang); |
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if (dictionary.containsKey(key)) {
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present=true;
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dictionary.remove(key); |
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} |
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} |
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return present;
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} |
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public boolean containsLanguage(String lang) { |
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return dictionaries.containsKey(lang);
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} |
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public boolean containsKey(String lang, String key) { |
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if (lang==null || key==null) return false; |
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DoubleProperties dictionary = (DoubleProperties) dictionaries.get(lang); |
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return dictionary.containsKey(key);
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} |
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public String getAssociatedKey(String lang, String value) { |
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if (lang==null || value==null) return null; |
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DoubleProperties dictionary = (DoubleProperties) dictionaries.get(lang); |
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return dictionary.getAssociatedKey(value);
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} |
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public ArrayList getAssociatedKeys(String lang, String value) { |
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if (lang==null || value==null) return null; |
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DoubleProperties dictionary = (DoubleProperties) dictionaries.get(lang); |
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return dictionary.getAssociatedKeys(value);
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} |
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public boolean containsTranslation(String lang, String translation) { |
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if (lang==null || translation==null) return false; |
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DoubleProperties dictionary = (DoubleProperties) dictionaries.get(lang); |
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return dictionary.containsValue(translation);
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} |
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} |