registry.put(POSITION_FILTER_FACTORY_NAME, new PositionFilterFactory());
registry.put(REPLACE_FILTER_FACTORY_NAME, new ReplaceFilterFactory(new MapFileReaderFactory()));
registry.put(SNOWBALL_FILTER_FACTORY_NAME, new SnowballFilterFactory());
registry.put(SPLITTER_FILTER_FACTORY_NAME, new SplitterFilterFactory());
registry.put(CONCAT_FILTER_FACTORY_NAME, new ConcatFilterFactory());
registry.put(STOPWORD_FILTER_FACTORY_NAME, new StopwordFilterFactory(new PlainFileReaderFactory()));
registry.put(UNIQUE_FILTER_FACTORY_NAME, new UniqueFilterFactory());
registry.put(UPPERCASE_FILTER_FACTORY_NAME, new UpperCaseFilterFactory());
registry.put(LOWERCASE_FILTER_FACTORY_NAME, new LowerCaseFilterFactory());
return registry;
}