Package org.apache.lucene.analysis.ar
Class ArabicNormalizer
- java.lang.Object
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- org.apache.lucene.analysis.ar.ArabicNormalizer
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public class ArabicNormalizer extends 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).
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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
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Constructor Summary
Constructors Constructor Description ArabicNormalizer()
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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
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Field Detail
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ALEF
public static final char ALEF
- See Also:
- Constant Field Values
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ALEF_MADDA
public static final char ALEF_MADDA
- See Also:
- Constant Field Values
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ALEF_HAMZA_ABOVE
public static final char ALEF_HAMZA_ABOVE
- See Also:
- Constant Field Values
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ALEF_HAMZA_BELOW
public static final char ALEF_HAMZA_BELOW
- See Also:
- Constant Field Values
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YEH
public static final char YEH
- See Also:
- Constant Field Values
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DOTLESS_YEH
public static final char DOTLESS_YEH
- See Also:
- Constant Field Values
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TEH_MARBUTA
public static final char TEH_MARBUTA
- See Also:
- Constant Field Values
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HEH
public static final char HEH
- See Also:
- Constant Field Values
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TATWEEL
public static final char TATWEEL
- See Also:
- Constant Field Values
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FATHATAN
public static final char FATHATAN
- See Also:
- Constant Field Values
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DAMMATAN
public static final char DAMMATAN
- See Also:
- Constant Field Values
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KASRATAN
public static final char KASRATAN
- See Also:
- Constant Field Values
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FATHA
public static final char FATHA
- See Also:
- Constant Field Values
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DAMMA
public static final char DAMMA
- See Also:
- Constant Field Values
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KASRA
public static final char KASRA
- See Also:
- Constant Field Values
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SHADDA
public static final char SHADDA
- See Also:
- Constant Field Values
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SUKUN
public static final char SUKUN
- See Also:
- Constant Field Values
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