ICUNormalizer2FilterFactory (Lucene 9.0.0 icu API)

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

```
public class ICUNormalizer2FilterFactory
extends TokenFilterFactory
```
Factory for ICUNormalizer2Filter
Supports the following attributes:
- form: 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 (case-insensitive: 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.AbstractAnalysisFactory
  LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion

Constructor Summary

Constructors
Constructor	Description
`ICUNormalizer2FilterFactory()`	Default ctor for compatibility with SPI
`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.TokenFilterFactory
  availableTokenFilters, findSPIName, forName, lookupClass, reloadTokenFilters
- Methods inherited from class org.apache.lucene.analysis.AbstractAnalysisFactory
  defaultCtorException, 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
  - ICUNormalizer2FilterFactory
```
public ICUNormalizer2FilterFactory()
```
    Default ctor for compatibility with SPI
- 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