Class CharSequenceUtils
- java.lang.Object
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- org.apache.lucene.analysis.ja.completion.CharSequenceUtils
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public class CharSequenceUtils extends Object
Utility functions forJapaneseCompletionFilter
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static boolean
isFullWidthLowercaseAlphabet(char ch)
Checks if a char is a full-width lowercase alphabetstatic boolean
isKana(CharSequence s)
Checks if a char sequence is composed only of Katakana or hiraganastatic boolean
isKatakanaOrHWAlphabets(CharSequence ref)
Checks if a char sequence is composed only of Katakana or lowercase alphabetsstatic boolean
isLowercaseAlphabets(CharSequence s)
Checks if a char sequence is composed only of lowercase alphabetsstatic String
toKatakana(CharSequence s)
Convert all hiragana in a string into kanataka
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Method Detail
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isLowercaseAlphabets
public static boolean isLowercaseAlphabets(CharSequence s)
Checks if a char sequence is composed only of lowercase alphabets
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isKana
public static boolean isKana(CharSequence s)
Checks if a char sequence is composed only of Katakana or hiragana
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isKatakanaOrHWAlphabets
public static boolean isKatakanaOrHWAlphabets(CharSequence ref)
Checks if a char sequence is composed only of Katakana or lowercase alphabets
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isFullWidthLowercaseAlphabet
public static boolean isFullWidthLowercaseAlphabet(char ch)
Checks if a char is a full-width lowercase alphabet
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toKatakana
public static String toKatakana(CharSequence s)
Convert all hiragana in a string into kanataka
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