Package org.apache.lucene.analysis.icu
Class ICUNormalizer2CharFilterFactory
- java.lang.Object
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- org.apache.lucene.analysis.AbstractAnalysisFactory
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- org.apache.lucene.analysis.CharFilterFactory
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- org.apache.lucene.analysis.icu.ICUNormalizer2CharFilterFactory
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public class ICUNormalizer2CharFilterFactory extends CharFilterFactory
Factory forICUNormalizer2CharFilter
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:
- 4.10.0
- See Also:
ICUNormalizer2CharFilter
,Normalizer2
,FilteredNormalizer2
- SPI Name (case-insensitive: if the name is 'htmlStrip', 'htmlstrip' can be used when looking up the service).
- "icuNormalizer2"
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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
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Constructor Summary
Constructors Constructor Description ICUNormalizer2CharFilterFactory()
Default ctor for compatibility with SPIICUNormalizer2CharFilterFactory(Map<String,String> args)
Creates a new ICUNormalizer2CharFilterFactory
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Reader
create(Reader input)
Reader
normalize(Reader input)
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Methods inherited from class org.apache.lucene.analysis.CharFilterFactory
availableCharFilters, findSPIName, forName, lookupClass, reloadCharFilters
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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
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Field Detail
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NAME
public static final String NAME
SPI name- See Also:
- Constant Field Values
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Method Detail
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create
public Reader create(Reader input)
- Specified by:
create
in classCharFilterFactory
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normalize
public Reader normalize(Reader input)
- Overrides:
normalize
in classCharFilterFactory
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