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
   9 import javax.xml.parsers.DocumentBuilder;
  10 import javax.xml.parsers.DocumentBuilderFactory;
  11 import javax.xml.parsers.ParserConfigurationException;
  12
  13 import org.cacert.gigi.util.HTMLEncoder;
  14 import org.w3c.dom.Document;
  15 import org.w3c.dom.Element;
  16 import org.w3c.dom.NodeList;
  17 import org.xml.sax.SAXException;
  18
  19 public class Language {
  20         private static HashMap<String, Language> langs = new HashMap<String, Language>();
  21         HashMap<String, String> translations = new HashMap<String, String>();
  22         Locale l;
  23
  24         private Language(String language) throws ParserConfigurationException, IOException, SAXException {
  25                 if (language.contains("_")) {
  26                         String[] parts = language.split("_");
  27                         l = new Locale(parts[0], parts[1]);
  28                 } else {
  29                         l = new Locale(language);
  30                 }
  31
  32                 DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
  33                 DocumentBuilder db = dbf.newDocumentBuilder();
  34                 Document d = db.parse(new FileInputStream(new File("locale", language + ".xml")));
  35                 NodeList nl = d.getDocumentElement().getChildNodes();
  36                 for (int i = 0; i < nl.getLength(); i++) {
  37                         if (!(nl.item(i) instanceof Element)) {
  38                                 continue;
  39                         }
  40                         Element e = (Element) nl.item(i);
  41                         Element id = (Element) e.getElementsByTagName("id").item(0);
  42                         Element msg = (Element) e.getElementsByTagName("msg").item(0);
  43                         translations.put(id.getTextContent(), HTMLEncoder.encodeHTML(msg.getTextContent()));
  44                 }
  45                 System.out.println(translations.size() + " strings loaded.");
  46         }
  47
  48         public String getTranslation(String text) {
  49                 String string = translations.get(text);
  50                 if (string == null || string.equals("")) {
  51                         return text;
  52                 }
  53                 return string;
  54         }
  55
  56         public static Language getInstance(String language) {
  57                 Language l = langs.get(language);
  58                 if (l == null) {
  59                         try {
  60                                 l = new Language(language);
  61                                 langs.put(language, l);
  62                         } catch (ParserConfigurationException e) {
  63                                 e.printStackTrace();
  64                         } catch (IOException e) {
  65                                 e.printStackTrace();
  66                         } catch (SAXException e) {
  67                                 e.printStackTrace();
  68                         }
  69                 }
  70                 return l;
  71         }
  72
  73         public Locale getLocale() {
  74                 return l;
  75         }
  76
  77 }