Package org.apache.lucene.analysis.cjk
Class CJKWidthCharFilter
java.lang.Object
java.io.Reader
org.apache.lucene.analysis.CharFilter
org.apache.lucene.analysis.charfilter.BaseCharFilter
org.apache.lucene.analysis.cjk.CJKWidthCharFilter
- All Implemented Interfaces:
Closeable
,AutoCloseable
,Readable
A
CharFilter
that normalizes CJK width differences:
- Folds fullwidth ASCII variants into the equivalent basic latin
- Folds halfwidth Katakana variants into the equivalent kana
NOTE: this char filter is the exact counterpart of CJKWidthFilter
.
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Field Summary
Fields inherited from class org.apache.lucene.analysis.CharFilter
input
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Constructor Summary
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Method Summary
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, ready, reset, skip, transferTo
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Constructor Details
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CJKWidthCharFilter
Default constructor that takes aReader
.
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Method Details
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read
- Overrides:
read
in classReader
- Throws:
IOException
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read
- Specified by:
read
in classReader
- Throws:
IOException
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