/*
    * 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.myfaces.extensions.validator.core.initializer.configuration;
  
  import org.apache.myfaces.extensions.validator.internal.UsageInformation;
  import org.apache.myfaces.extensions.validator.internal.UsageCategory;
  
  import java.util.List;
  import java.util.ResourceBundle;
  import java.util.Enumeration;
  import java.util.ArrayList;
  
  /**
   * Default implementation of the {@link StaticConfiguration} interface for property-file based configs.
   *
   * @since 1.x.1
   */
  @UsageInformation({UsageCategory.INTERNAL, UsageCategory.REUSE})
  public class StaticResourceBundleConfiguration implements StaticConfiguration<String, String>
  {
      private String path;
      private List<StaticConfigurationEntry<String, String>> mappings;
  
      public void setSourceOfMapping(String path)
      {
          this.path = path;
          //force reload
          mappings = null;
      }
  
      public List<StaticConfigurationEntry<String, String>> getMapping()
      {
          if(mappings != null)
          {
              return mappings;
          }
  
          mappings = new ArrayList<StaticConfigurationEntry<String, String>>();
  
          ResourceBundle mapping = ResourceBundle.getBundle(path);
  
          if (mapping == null)
          {
              //logging
              return new ArrayList<StaticConfigurationEntry<String, String>>();
          }
  
          Enumeration keys = mapping.getKeys();
  
          String metaDataKey;
          String validationStrategyClassName;
  
          while (keys.hasMoreElements())
          {
              metaDataKey = (String) keys.nextElement();
              validationStrategyClassName = mapping.getString(metaDataKey);
  
              addMapping(metaDataKey, validationStrategyClassName);
          }
          return mappings;
      }
  
      private void addMapping(String metaDataKey, String validationStrategyClassName)
      {
          StaticConfigurationEntry<String, String> entry = new StaticConfigurationEntry<String, String>();
          entry.setSource(metaDataKey);
          entry.setTarget(validationStrategyClassName);
          this.mappings.add(entry);
      }
  }