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## org.apache.lucene.analysis.icu
Class ICUNormalizer2FilterFactory

    java.lang.Object
      org.apache.lucene.analysis.util.AbstractAnalysisFactory
          org.apache.lucene.analysis.util.TokenFilterFactory
              org.apache.lucene.analysis.icu.ICUNormalizer2FilterFactory

All Implemented Interfaces:
  MultiTermAwareComponent

    public class ICUNormalizer2FilterFactory

extends TokenFilterFactory
implements MultiTermAwareComponent

Factory for `ICUNormalizer2Filter`

Supports the following attributes:

- name: A Unicode Normalization Form, one of 'nfc','nfkc', 'nfkc_cf'. Default is nfkc_cf.
- mode: Either 'compose' or 'decompose'. Default is compose. Use "decompose" with nfc or nfkc, to get nfd or nfkd, respectively.
- filter: A `UnicodeSet` pattern. Codepoints outside the set are always left unchanged. Default is [] (the null set, no filtering).

See Also:
  `ICUNormalizer2Filter`, `Normalizer2`, `FilteredNormalizer2`

Field Summary

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

Constructor Summary
`ICUNormalizer2FilterFactory(Map<String,String> args)` Creates a new ICUNormalizer2FilterFactory

Method Summary
`TokenStream` | `create(TokenStream input)`
`AbstractAnalysisFactory` | `getMultiTermComponent()`

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

### ICUNormalizer2FilterFactory

    public ICUNormalizer2FilterFactory(Map<String,String> args)

  Creates a new ICUNormalizer2FilterFactory

Method Detail

### create

    public TokenStream create(TokenStream input)

  Specified by:
    `create` in class `TokenFilterFactory`

### getMultiTermComponent

    public AbstractAnalysisFactory getMultiTermComponent()

  Specified by:
    `getMultiTermComponent` in interface `MultiTermAwareComponent`

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