Package org.apache.lucene.analysis.icu

# Class ICUNormalizer2CharFilter

java.lang.Object
java.io.Reader
org.apache.lucene.analysis.CharFilter
org.apache.lucene.analysis.charfilter.BaseCharFilter
org.apache.lucene.analysis.icu.ICUNormalizer2CharFilter

All Implemented Interfaces:
  `Closeable`, `AutoCloseable`, `Readable`

public final class ICUNormalizer2CharFilter extends BaseCharFilter
Normalize token text with ICU's `Normalizer2`.

## Field Summary

### Fields inherited from class org.apache.lucene.analysis.CharFilter

`input`

### Fields inherited from class java.io.Reader

`lock`

## Constructor Summary

Constructors
Constructor
Description
`ICUNormalizer2CharFilter(Reader in)`
Create a new Normalizer2CharFilter that combines NFKC normalization, Case Folding, and removes Default Ignorables (NFKC_Casefold)
`ICUNormalizer2CharFilter(Reader in, com.ibm.icu.text.Normalizer2 normalizer)`
Create a new Normalizer2CharFilter with the specified Normalizer2

## Method Summary

Modifier and Type
Method
Description
`int`
`read(char[] cbuf, int off, int len)`

### Methods inherited from class org.apache.lucene.analysis.charfilter.BaseCharFilter

`addOffCorrectMap, correct, getLastCumulativeDiff`

### Methods inherited from class org.apache.lucene.analysis.CharFilter

`close, correctOffset`

### Methods inherited from class java.io.Reader

`mark, markSupported, nullReader, read, read, read, ready, reset, skip, transferTo`

### Methods inherited from class java.lang.Object

`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

## Constructor Details

### ICUNormalizer2CharFilter

public ICUNormalizer2CharFilter(Reader in)
Create a new Normalizer2CharFilter that combines NFKC normalization, Case Folding, and removes Default Ignorables (NFKC_Casefold)

### ICUNormalizer2CharFilter

public ICUNormalizer2CharFilter(Reader in, com.ibm.icu.text.Normalizer2 normalizer)
Create a new Normalizer2CharFilter with the specified Normalizer2

Parameters:
  `in` - text
  `normalizer` - normalizer to use

## Method Details

### read

public int read(char[] cbuf, int off, int len) throws IOException

Specified by:
  `read` in class `Reader`
Throws:
  `IOException`