package org.wikimedia.search.extra.analysis.filters;
   
   import org.apache.lucene.analysis.TokenStream;
   import org.elasticsearch.common.inject.Inject;
   import org.elasticsearch.common.settings.Settings;
   import org.elasticsearch.env.Environment;
   import org.elasticsearch.index.IndexSettings;
   import org.elasticsearch.index.analysis.AbstractTokenFilterFactory;
   
  /**
   * Factories for the preserve_original filters.
   */
  public class PreserveOriginalFilterFactory extends AbstractTokenFilterFactory {
      public PreserveOriginalFilterFactory(IndexSettings indexSettings, Environment environment, String name, Settings settings) {
          super(indexSettings, name, settings);
      }
  
      @Override
      public TokenStream create(TokenStream tokenStream) {
          return new PreserveOriginalFilter(tokenStream);
      }
  
      public static class RecorderFactory extends AbstractTokenFilterFactory {
          @Inject
          public RecorderFactory(IndexSettings indexSettings, Environment environment, String name, Settings settings) {
              super(indexSettings, name, settings);
          }
  
          @Override
          public TokenStream create(TokenStream tokenStream) {
              return new PreserveOriginalFilter.Recorder(tokenStream);
          }
      }
  }