001
014
015 package com.liferay.util;
016
017 import com.liferay.ibm.icu.text.Transliterator;
018 import com.liferay.portal.kernel.util.StringUtil;
019
020
025 public class Normalizer {
026
027 public static String normalizeToAscii(String s) {
028 if (!_hasNonASCIICode(s)) {
029 return s;
030 }
031
032 String normalizedText = _transliterator.transform(s);
033
034 return StringUtil.replace(
035 normalizedText, _UNICODE_TEXT, _NORMALIZED_TEXT);
036 }
037
038 private static boolean _hasNonASCIICode(String s) {
039 for (int i = 0; i < s.length(); i++) {
040 if (s.charAt(i) > 127) {
041 return true;
042 }
043 }
044
045 return false;
046 }
047
048 private static final char[] _NORMALIZED_TEXT = new char[] {'l', '\'', '\"'};
049
050 private static final char[] _UNICODE_TEXT =
051 new char[] {'\u0142', '\u02B9', '\u02BA'};
052
053 private static final Transliterator _transliterator =
054 Transliterator.getInstance(
055 "Greek-Latin; Cyrillic-Latin; NFD; [:Nonspacing Mark:] " +
056 "Remove; NFC");
057
058 }