src/be/nikiroo/utils/resources/FixedResourceBundleControl.java

   1 package be.nikiroo.utils.resources;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.io.InputStreamReader;
   6 import java.net.URL;
   7 import java.net.URLConnection;
   8 import java.util.Locale;
   9 import java.util.PropertyResourceBundle;
  10 import java.util.ResourceBundle;
  11 import java.util.ResourceBundle.Control;
  12
  13 /**
  14  * Fixed ResourceBundle.Control class. It will use UTF-8 for the files to load.
  15  *
  16  * Also support an option to first check into the given path before looking into
  17  * the resources.
  18  *
  19  * @author niki
  20  *
  21  */
  22 class FixedResourceBundleControl extends Control {
  23         @Override
  24         public ResourceBundle newBundle(String baseName, Locale locale,
  25                         String format, ClassLoader loader, boolean reload)
  26                         throws IllegalAccessException, InstantiationException, IOException {
  27                 // The below is a copy of the default implementation.
  28                 String bundleName = toBundleName(baseName, locale);
  29                 String resourceName = toResourceName(bundleName, "properties");
  30
  31                 ResourceBundle bundle = null;
  32                 InputStream stream = null;
  33                 if (reload) {
  34                         URL url = loader.getResource(resourceName);
  35                         if (url != null) {
  36                                 URLConnection connection = url.openConnection();
  37                                 if (connection != null) {
  38                                         connection.setUseCaches(false);
  39                                         stream = connection.getInputStream();
  40                                 }
  41                         }
  42                 } else {
  43                         if (stream == null)
  44                                 stream = loader.getResourceAsStream(resourceName);
  45                 }
  46                 if (stream != null) {
  47                         try {
  48                                 // This line is changed to make it to read properties files
  49                                 // as UTF-8.
  50                                 // How can someone use an archaic encoding such as ISO 8859-1 by
  51                                 // *DEFAULT* is beyond me...
  52                                 bundle = new PropertyResourceBundle(new InputStreamReader(
  53                                                 stream, "UTF-8"));
  54                         } finally {
  55                                 stream.close();
  56                         }
  57                 }
  58                 return bundle;
  59         }
  60 }