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
   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         private Language(String language) throws ParserConfigurationException,
  21                         IOException, SAXException {
  22                 DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
  23                 DocumentBuilder db = dbf.newDocumentBuilder();
  24                 Document d = db.parse(new FileInputStream(new File("locale", language
  25                                 + ".xml")));
  26                 NodeList nl = d.getDocumentElement().getChildNodes();
  27                 for (int i = 0; i < nl.getLength(); i++) {
  28                         if (!(nl.item(i) instanceof Element)) {
  29                                 continue;
  30                         }
  31                         Element e = (Element) nl.item(i);
  32                         Element id = (Element) e.getElementsByTagName("id").item(0);
  33                         Element msg = (Element) e.getElementsByTagName("msg").item(0);
  34                         translations.put(id.getTextContent(), msg.getTextContent());
  35                 }
  36                 System.out.println(translations.size() + " strings loaded.");
  37         }
  38         public static Language getInstance(String language) {
  39                 Language l = langs.get(language);
  40                 if (l == null) {
  41                         try {
  42                                 l = new Language(language);
  43                                 langs.put(language, l);
  44                         } catch (ParserConfigurationException e) {
  45                                 e.printStackTrace();
  46                         } catch (IOException e) {
  47                                 e.printStackTrace();
  48                         } catch (SAXException e) {
  49                                 e.printStackTrace();
  50                         }
  51                 }
  52                 return l;
  53         }
  54         public static void main(String[] args) {
  55                 Language.getInstance("de");
  56         }
  57 }