public Hiragana transcribe(Katakana katakana) {
final String katakanaValue = katakana.getValue();
String hiraganaValue = "";
for (int index = 0; index < katakanaValue.length(); index++) {
final char hiraganaCharacter = katakanaValue.charAt(index);
if (hiraganaCharacter == 'ー') {
hiraganaValue += hiraganaCharacter;
} else {
final char katakanaCharacter =
(char) ((hiraganaCharacter) - HIRAGANA_KATAKANA_UNICODE_SHIFT);
hiraganaValue += katakanaCharacter;
}
}
return new Hiragana(hiraganaValue);
}
public static boolean isKatakana(String text) {
return Katakana.isKatakana(text);
}