1 /* 2 ******************************************************************************* 3 * Copyright (C) 2011-2012, International Business Machines Corporation and * 4 * others. All Rights Reserved. * 5 ******************************************************************************* 6 */ 7 package com.ibm.icu.dev.util; 8 9 import com.ibm.icu.dev.util.UnicodeTransform.Type; 10 import com.ibm.icu.lang.UCharacter; 11 import com.ibm.icu.text.Normalizer2; 12 13 /** 14 * @author markdavis 15 * 16 */ 17 public class IcuUnicodeNormalizerFactory implements UnicodeTransform.Factory { 18 19 public UnicodeTransform getInstance(Type type) { 20 switch (type) { 21 case NFC: 22 return new IcuUnicodeNormalizer(Normalizer2.getNFCInstance()); 23 case NFKC: 24 return new IcuUnicodeNormalizer(Normalizer2.getNFKCInstance()); 25 case NFD: 26 return new IcuUnicodeNormalizer(Normalizer2.getNFDInstance()); 27 case NFKD: 28 return new IcuUnicodeNormalizer(Normalizer2.getNFKDInstance()); 29 case CASEFOLD: 30 return new CaseFolder(); 31 default: 32 throw new IllegalArgumentException(); 33 } 34 } 35 36 private static class CaseFolder extends UnicodeTransform { 37 @Override 38 public String transform(String source) { 39 return UCharacter.foldCase(source.toString(), true); 40 } 41 } 42 43 private static class IcuUnicodeNormalizer extends UnicodeTransform { 44 private Normalizer2 normalizer; 45 46 private IcuUnicodeNormalizer(Normalizer2 normalizer) { 47 this.normalizer = normalizer; 48 } 49 50 public String transform(String src) { 51 return normalizer.normalize(src); 52 } 53 54 public boolean isTransformed(String s) { 55 return normalizer.isNormalized(s); 56 } 57 } 58 } 59
