1 /* GENERATED SOURCE. DO NOT MODIFY. */ 2 // © 2016 and later: Unicode, Inc. and others. 3 // License & terms of use: http://www.unicode.org/copyright.html#License 4 /** 5 ******************************************************************************* 6 * Copyright (C) 2001-2013, International Business Machines Corporation and * 7 * others. All Rights Reserved. * 8 ******************************************************************************* 9 */ 10 package android.icu.util; 11 12 import android.icu.lang.UCharacter; 13 14 /** 15 * A string used as a key in java.util.Hashtable and other 16 * collections. It retains case information, but its equals() and 17 * hashCode() methods ignore case. 18 * @hide Only a subset of ICU is exposed in Android 19 */ 20 public class CaseInsensitiveString { 21 22 private String string; 23 24 private int hash = 0; 25 26 private String folded = null; 27 foldCase(String foldee)28 private static String foldCase(String foldee) 29 { 30 return UCharacter.foldCase(foldee, true); 31 } 32 getFolded()33 private void getFolded() 34 { 35 if (folded == null) { 36 folded = foldCase(string); 37 } 38 } 39 40 /** 41 * Constructs an CaseInsentiveString object from the given string 42 * @param s The string to construct this object from 43 */ CaseInsensitiveString(String s)44 public CaseInsensitiveString(String s) { 45 string = s; 46 } 47 /** 48 * returns the underlying string 49 * @return String 50 */ getString()51 public String getString() { 52 return string; 53 } 54 /** 55 * Compare the object with this 56 * @param o Object to compare this object with 57 */ equals(Object o)58 public boolean equals(Object o) { 59 if (o == null) { 60 return false; 61 } 62 if (this == o) { 63 return true; 64 } 65 if (o instanceof CaseInsensitiveString) { 66 getFolded(); 67 CaseInsensitiveString cis = (CaseInsensitiveString) o; 68 cis.getFolded(); 69 return folded.equals(cis.folded); 70 } 71 return false; 72 } 73 74 /** 75 * Returns the hashCode of this object 76 * @return int hashcode 77 */ hashCode()78 public int hashCode() { 79 getFolded(); 80 81 if (hash == 0) { 82 hash = folded.hashCode(); 83 } 84 85 return hash; 86 } 87 88 /** 89 * Overrides superclass method 90 */ toString()91 public String toString() { 92 return string; 93 } 94 } 95