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## org.apache.lucene.analysis.hunspell
Class HunspellStemFilterFactory

    java.lang.Object
      org.apache.lucene.analysis.util.AbstractAnalysisFactory
          org.apache.lucene.analysis.util.TokenFilterFactory
              org.apache.lucene.analysis.hunspell.HunspellStemFilterFactory

All Implemented Interfaces:
  ResourceLoaderAware

    public class HunspellStemFilterFactory

extends TokenFilterFactory
implements ResourceLoaderAware

TokenFilterFactory that creates instances of `HunspellStemFilter`. Example config for British English including a custom dictionary, case insensitive matching:

     <filter class="solr.HunspellStemFilterFactory"
        dictionary="en_GB.dic,my_custom.dic"
        affix="en_GB.aff"
        ignoreCase="true" />

Both parameters dictionary and affix are mandatory.
The parameter ignoreCase (true/false) controls whether matching is case sensitive or not. Default false.
The parameter strictAffixParsing (true/false) controls whether the affix parsing is strict or not. Default true. If strict an error while reading an affix rule causes a ParseException, otherwise is ignored.
Dictionaries for many languages are available through the OpenOffice project. See http://wiki.apache.org/solr/Hunspell

Field Summary

Fields inherited from class org.apache.lucene.analysis.util.AbstractAnalysisFactory
`LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion`

Constructor Summary
`HunspellStemFilterFactory(Map<String,String> args)` Creates a new HunspellStemFilterFactory

Method Summary
`TokenStream` | `create(TokenStream tokenStream)` Creates an instance of `HunspellStemFilter` that will filter the given TokenStream
`void` | `inform(ResourceLoader loader)` Loads the hunspell dictionary and affix files defined in the configuration

Methods inherited from class org.apache.lucene.analysis.util.TokenFilterFactory
`availableTokenFilters, forName, lookupClass, reloadTokenFilters`

Methods inherited from class org.apache.lucene.analysis.util.AbstractAnalysisFactory
`assureMatchVersion, get, get, get, get, get, getBoolean, getChar, getClassArg, getFloat, getInt, getLines, getLuceneMatchVersion, getOriginalArgs, getPattern, getSet, getSnowballWordSet, getWordSet, isExplicitLuceneMatchVersion, require, require, require, requireBoolean, requireChar, requireFloat, requireInt, setExplicitLuceneMatchVersion, splitFileNames`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### HunspellStemFilterFactory

    public HunspellStemFilterFactory(Map<String,String> args)

  Creates a new HunspellStemFilterFactory

Method Detail

### inform

    public void inform(ResourceLoader loader)
                throws IOException

  Loads the hunspell dictionary and affix files defined in the configuration

  Specified by:
    `inform` in interface `ResourceLoaderAware`
  Parameters:
    `loader` - ResourceLoader used to load the files
  Throws:
    `IOException`

### create

    public TokenStream create(TokenStream tokenStream)

  Creates an instance of `HunspellStemFilter` that will filter the given TokenStream

  Specified by:
    `create` in class `TokenFilterFactory`
  Parameters:
    `tokenStream` - TokenStream that will be filtered
  Returns:
    HunspellStemFilter that filters the TokenStream

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