src/de/j32/pimstuff/conduit/Config.java

   1 package de.j32.pimstuff.conduit;
   2
   3 import java.io.FileInputStream;
   4 import java.io.FileNotFoundException;
   5 import java.io.IOException;
   6 import java.util.InvalidPropertiesFormatException;
   7 import java.util.Properties;
   8
   9 public class Config
  10 {
  11         static Config instance;
  12         Properties config = new Properties();
  13
  14         public static String get(String key, String defaultValue)
  15         {
  16                 load();
  17
  18                 if (instance == null)
  19                         return defaultValue;
  20                 else {
  21                         String rv = instance.config.getProperty(key);
  22                         if (rv == null)
  23                                 return defaultValue;
  24                         return rv;
  25                 }
  26         }
  27
  28         public static String get(String key)
  29         {
  30                 String rv = get(key, null);
  31                 if (rv == null)
  32                         throw new ConfigurationException("missing configuration parameter: " + key);
  33                 return rv;
  34         }
  35
  36         static void load()
  37         {
  38                         if (instance == null)
  39                                 try {
  40                                         instance = new Config();
  41                                 }
  42                                 catch (InvalidPropertiesFormatException e) {}
  43                                 catch (FileNotFoundException e) {}
  44                                 catch (IOException e) {}
  45         }
  46
  47         Config()
  48                 throws InvalidPropertiesFormatException, FileNotFoundException, IOException
  49         {
  50                 config.loadFromXML(new FileInputStream("config.xml"));
  51         }
  52
  53 }