src/org/cacert/gigi/Language.java

   1 package org.cacert.gigi;
   2
   3 import java.io.File;
   4 import java.io.FileInputStream;
   5 import java.io.IOException;
   6 import java.util.HashMap;
   7 import java.util.Locale;
   8 import javax.xml.parsers.DocumentBuilder;
   9 import javax.xml.parsers.DocumentBuilderFactory;
  10 import javax.xml.parsers.ParserConfigurationException;
  11
  12 import org.w3c.dom.Document;
  13 import org.w3c.dom.Element;
  14 import org.w3c.dom.NodeList;
  15 import org.xml.sax.SAXException;
  16
  17 public class Language {
  18         private static HashMap<String, Language> langs = new HashMap<String, Language>();
  19         HashMap<String, String> translations = new HashMap<String, String>();
  20         Locale l;
  21         private Language(String language) throws ParserConfigurationException,
  22                         IOException, SAXException {
  23                 if (language.contains("_")) {
  24                         String[] parts = language.split("_");
  25                         l = new Locale(parts[0], parts[1]);
  26                 } else {
  27                         l = new Locale(language);
  28                 }
  29
  30                 DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
  31                 DocumentBuilder db = dbf.newDocumentBuilder();
  32                 Document d = db.parse(new FileInputStream(new File("locale", language
  33                                 + ".xml")));
  34                 NodeList nl = d.getDocumentElement().getChildNodes();
  35                 for (int i = 0; i < nl.getLength(); i++) {
  36                         if (!(nl.item(i) instanceof Element)) {
  37                                 continue;
  38                         }
  39                         Element e = (Element) nl.item(i);
  40                         Element id = (Element) e.getElementsByTagName("id").item(0);
  41                         Element msg = (Element) e.getElementsByTagName("msg").item(0);
  42                         translations.put(id.getTextContent(), msg.getTextContent());
  43                 }
  44                 System.out.println(translations.size() + " strings loaded.");
  45         }
  46         public String getTranslation(String text) {
  47                 String string = translations.get(text);
  48                 if (string == null || string.equals("")) {
  49                         return text;
  50                 }
  51                 return string;
  52         }
  53         public static Language getInstance(String language) {
  54                 Language l = langs.get(language);
  55                 if (l == null) {
  56                         try {
  57                                 l = new Language(language);
  58                                 langs.put(language, l);
  59                         } catch (ParserConfigurationException e) {
  60                                 e.printStackTrace();
  61                         } catch (IOException e) {
  62                                 e.printStackTrace();
  63                         } catch (SAXException e) {
  64                                 e.printStackTrace();
  65                         }
  66                 }
  67                 return l;
  68         }
  69         public Locale getLocale() {
  70                 return l;
  71         }
  72
  73 }