Package org.apache.lucene.analysis.ja.completion

Class CharSequenceUtils

java.lang.Object

org.apache.lucene.analysis.ja.completion.CharSequenceUtils

public class CharSequenceUtils
extends Object

Utility functions for JapaneseCompletionFilter

Method Summary

Modifier and Type	Method	Description
static boolean	isFullWidthLowercaseAlphabet(char ch)	Checks if a char is a full-width lowercase alphabet
static boolean	isKana(CharSequence s)	Checks if a char sequence is composed only of Katakana or hiragana
static boolean	isKatakanaOrHWAlphabets(CharSequence ref)	Checks if a char sequence is composed only of Katakana or lowercase alphabets
static boolean	isLowercaseAlphabets(CharSequence s)	Checks if a char sequence is composed only of lowercase alphabets
static String	toKatakana(CharSequence s)	Convert all hiragana in a string into kanataka

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

isLowercaseAlphabets

public static boolean isLowercaseAlphabets(CharSequence s)

Checks if a char sequence is composed only of lowercase alphabets

isKana

public static boolean isKana(CharSequence s)

Checks if a char sequence is composed only of Katakana or hiragana

isKatakanaOrHWAlphabets

public static boolean isKatakanaOrHWAlphabets(CharSequence ref)

Checks if a char sequence is composed only of Katakana or lowercase alphabets

isFullWidthLowercaseAlphabet

public static boolean isFullWidthLowercaseAlphabet(char ch)

Checks if a char is a full-width lowercase alphabet

toKatakana

public static String toKatakana(CharSequence s)

Convert all hiragana in a string into kanataka