/**
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements. See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership. The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License. You may obtain a copy of the License at
    *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied. See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  package org.apache.wss4j.common.crypto;
  
  import java.util.Enumeration;
  import java.util.Locale;
  import java.util.MissingResourceException;
  import java.util.ResourceBundle;
  
  import org.apache.xml.security.utils.Constants;
  import org.apache.xml.security.utils.I18n;
  
  /**
   * ResourceBundle for WSS4J
   */
  public class WSS4JResourceBundle extends ResourceBundle {
  
      private static final org.slf4j.Logger LOG =
          org.slf4j.LoggerFactory.getLogger(WSS4JResourceBundle.class);
  
      private final ResourceBundle wss4jSecResourceBundle;
      private final ResourceBundle xmlSecResourceBundle;
  
      public WSS4JResourceBundle() {
          wss4jSecResourceBundle = ResourceBundle.getBundle("messages.wss4j_errors");
  
          ResourceBundle tmpResourceBundle;
          try {
              tmpResourceBundle =
                  ResourceBundle.getBundle(Constants.exceptionMessagesResourceBundleBase,
                          Locale.getDefault(),
                          I18n.class.getClassLoader());
          } catch (MissingResourceException ex) {
              // Using a Locale of which there is no properties file.
              LOG.debug(ex.getMessage());
              // Default to en/US
              tmpResourceBundle =
                  ResourceBundle.getBundle(Constants.exceptionMessagesResourceBundleBase,
                                           new Locale("en", "US"), I18n.class.getClassLoader());
          }
          xmlSecResourceBundle = tmpResourceBundle;
      }
  
      @Override
      protected Object handleGetObject(String key) {
          Object value = null;
          try {
              value = wss4jSecResourceBundle.getObject(key);
          } catch (MissingResourceException e) {
              try {
                  value = xmlSecResourceBundle.getObject(key);
              } catch (MissingResourceException ex) { //NOPMD
                  //ignore
              }
          }
          return value;
      }
  
      @Override
      public Enumeration<String> getKeys() {
          throw new UnsupportedOperationException("getKeys not supported");
      }
  
  
  }