java.lang.Object
- org.apache.lucene.analysis.ar.ArabicNormalizer

```
public class ArabicNormalizer
extends java.lang.Object
```
Normalizer for Arabic.
Normalization is done in-place for efficiency, operating on a termbuffer.
Normalization is defined as:
- Normalization of hamza with alef seat to a bare alef.
- Normalization of teh marbuta to heh
- Normalization of dotless yeh (alef maksura) to yeh.
- Removal of Arabic diacritics (the harakat)
- Removal of tatweel (stretching character).

Field Summary

Fields
Modifier and Type	Field	Description
`static char`	`ALEF`
`static char`	`ALEF_HAMZA_ABOVE`
`static char`	`ALEF_HAMZA_BELOW`
`static char`	`ALEF_MADDA`
`static char`	`DAMMA`
`static char`	`DAMMATAN`
`static char`	`DOTLESS_YEH`
`static char`	`FATHA`
`static char`	`FATHATAN`
`static char`	`HEH`
`static char`	`KASRA`
`static char`	`KASRATAN`
`static char`	`SHADDA`
`static char`	`SUKUN`
`static char`	`TATWEEL`
`static char`	`TEH_MARBUTA`
`static char`	`YEH`

Constructor Summary

Constructors
Constructor Description

ArabicNormalizer()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

int normalize(char[] s, int len)
Normalize an input buffer of Arabic text
- Methods inherited from class java.lang.Object
  equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - ALEF
```
public static final char ALEF
```
    See Also:
    
    Constant Field Values
  - ALEF_MADDA
```
public static final char ALEF_MADDA
```
    See Also:
    
    Constant Field Values
  - ALEF_HAMZA_ABOVE
```
public static final char ALEF_HAMZA_ABOVE
```
    See Also:
    
    Constant Field Values
  - ALEF_HAMZA_BELOW
```
public static final char ALEF_HAMZA_BELOW
```
    See Also:
    
    Constant Field Values
  - YEH
```
public static final char YEH
```
    See Also:
    
    Constant Field Values
  - DOTLESS_YEH
```
public static final char DOTLESS_YEH
```
    See Also:
    
    Constant Field Values
  - TEH_MARBUTA
```
public static final char TEH_MARBUTA
```
    See Also:
    
    Constant Field Values
  - HEH
```
public static final char HEH
```
    See Also:
    
    Constant Field Values
  - TATWEEL
```
public static final char TATWEEL
```
    See Also:
    
    Constant Field Values
  - FATHATAN
```
public static final char FATHATAN
```
    See Also:
    
    Constant Field Values
  - DAMMATAN
```
public static final char DAMMATAN
```
    See Also:
    
    Constant Field Values
  - KASRATAN
```
public static final char KASRATAN
```
    See Also:
    
    Constant Field Values
  - FATHA
```
public static final char FATHA
```
    See Also:
    
    Constant Field Values
  - DAMMA
```
public static final char DAMMA
```
    See Also:
    
    Constant Field Values
  - KASRA
```
public static final char KASRA
```
    See Also:
    
    Constant Field Values
  - SHADDA
```
public static final char SHADDA
```
    See Also:
    
    Constant Field Values
  - SUKUN
```
public static final char SUKUN
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - ArabicNormalizer
```
public ArabicNormalizer()
```
- Method Detail
  - normalize
```
public int normalize(char[] s,
                     int len)
```
    Normalize an input buffer of Arabic text
    
    Parameters:
    
    s - input buffer
    
    len - length of input buffer
    
    Returns:
    
    length of input buffer after normalization

Class ArabicNormalizer

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

ALEF

ALEF_MADDA

ALEF_HAMZA_ABOVE

ALEF_HAMZA_BELOW

YEH

DOTLESS_YEH

TEH_MARBUTA

HEH

TATWEEL

FATHATAN

DAMMATAN

KASRATAN

FATHA

DAMMA

KASRA

SHADDA

SUKUN

Constructor Detail

ArabicNormalizer

Method Detail

normalize