ICUNormalizer2FilterFactory (Lucene 8.6.0 API)

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

```
public class ICUNormalizer2FilterFactory
extends TokenFilterFactory
```
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).
Since:

3.1.0

See Also:

ICUNormalizer2Filter, Normalizer2, FilteredNormalizer2

SPI Name (Note: This is case-insensitive. e.g., if the name is 'htmlStrip', 'htmlstrip' can be used when looking up the service):

"icuNormalizer2"

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  static String NAME
  SPI name
  - Fields inherited from class org.apache.lucene.analysis.util.AbstractAnalysisFactory
    LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion
- Constructor Summary
  
  Constructors
  Constructor Description
  
  ICUNormalizer2FilterFactory(Map<String,String> args)
  Creates a new ICUNormalizer2FilterFactory
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  TokenStream create(TokenStream input)
  
  TokenStream normalize(TokenStream input)
  - Methods inherited from class org.apache.lucene.analysis.util.TokenFilterFactory
    availableTokenFilters, findSPIName, forName, lookupClass, reloadTokenFilters
  - Methods inherited from class org.apache.lucene.analysis.util.AbstractAnalysisFactory
    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, splitAt, splitFileNames
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - NAME
```
public static final String NAME
```
    SPI name
    
    See Also:
    
    Constant Field Values
- 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
  - normalize
```
public TokenStream normalize(TokenStream input)
```
    Overrides:
    
    normalize in class TokenFilterFactory