UTF8Control.java

/*
 * (C) Copyright 2015 by fr3ts0n <erwin.scheuch-heilig@gmx.at>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

package com.fr3ts0n.common;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.Locale;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;
import java.util.ResourceBundle.Control;

/**
 * Utility class to load UTF8 resources into a @see ResourceBundle
 *
 * @author fr3ts0n - (found as snippet from stackoverflow)
 */
public class UTF8Control extends Control {
  public ResourceBundle newBundle
      (String baseName, Locale locale, String format, ClassLoader loader, boolean reload)
          throws IllegalAccessException, InstantiationException, IOException
  {
      // The below is a copy of the default implementation.
      String bundleName = toBundleName(baseName, locale);
      String resourceName = toResourceName(bundleName, "properties");
      ResourceBundle bundle = null;
      InputStream stream = null;
      if (reload) {
          URL url = loader.getResource(resourceName);
          if (url != null) {
              URLConnection connection = url.openConnection();
              if (connection != null) {
                  connection.setUseCaches(false);
                  stream = connection.getInputStream();
              }
          }
      } else {
          stream = loader.getResourceAsStream(resourceName);
      }
      if (stream != null) {
          try {
              // Only this line is changed to make it to read properties files as UTF-8.
              bundle = new PropertyResourceBundle(new InputStreamReader(stream, "UTF-8"));
          } finally {
              stream.close();
          }
      }
      return bundle;
  }
}