1 // © 2016 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html 3 /* 4 ******************************************************************************* 5 * Copyright (C) 2008-2015, International Business Machines Corporation and * 6 * others. All Rights Reserved. * 7 ******************************************************************************* 8 */ 9 package com.ibm.icu.dev.test.localespi; 10 11 import java.util.HashSet; 12 import java.util.Locale; 13 import java.util.Set; 14 15 import com.ibm.icu.util.ULocale; 16 import com.ibm.icu.util.ULocale.Builder; 17 18 public class TestUtil { 19 20 static final String ICU_VARIANT = "ICU4J"; 21 private static final String ICU_VARIANT_SUFFIX = "_ICU4J"; 22 toICUExtendedLocale(Locale locale)23 public static Locale toICUExtendedLocale(Locale locale) { 24 if (isICUExtendedLocale(locale)) { 25 return locale; 26 } 27 28 String variant = locale.getVariant(); 29 variant = variant.length() == 0 ? ICU_VARIANT : variant + ICU_VARIANT_SUFFIX; 30 31 // We once convert Locale to ULocale, then update variant 32 // field. We could do this using Locale APIs, but have to 33 // use a lot of reflections, because the test code should 34 // also run on JRE 6. 35 ULocale uloc = ULocale.forLocale(locale); 36 if (uloc.getScript().length() == 0) { 37 return new Locale(locale.getLanguage(), locale.getCountry(), variant); 38 } 39 40 // For preserving JDK Locale's script, we cannot use 41 // the regular Locale constructor. 42 ULocale modUloc = null; 43 Builder locBld = new Builder(); 44 try { 45 locBld.setLocale(uloc); 46 locBld.setVariant(variant); 47 modUloc = locBld.build(); 48 return modUloc.toLocale(); 49 } catch (Exception e) { 50 // hmm, it should not happen 51 throw new RuntimeException(e); 52 } 53 } 54 isICUExtendedLocale(Locale locale)55 public static boolean isICUExtendedLocale(Locale locale) { 56 String variant = locale.getVariant(); 57 if (variant.equals(ICU_VARIANT) || variant.endsWith(ICU_VARIANT_SUFFIX)) { 58 return true; 59 } 60 return false; 61 } 62 equals(Object o1, Object o2)63 public static boolean equals(Object o1, Object o2) { 64 if (o1 == null && o2 == null) { 65 return true; 66 } 67 if (o1 == null || o2 == null) { 68 return false; 69 } 70 return o1.equals(o2); 71 } 72 73 private static final Set<Locale> ICU_LOCALES = new HashSet<>(); 74 75 static { 76 ULocale[] icuULocales = ULocale.getAvailableLocales(); 77 for (ULocale icuULoc : icuULocales) { 78 Locale jdkLoc = icuULoc.toLocale(); 79 // Make sure nothing lost 80 ULocale uloc = ULocale.forLocale(jdkLoc); 81 if (icuULoc.equals(uloc)) { 82 ICU_LOCALES.add(jdkLoc); 83 } 84 } 85 } 86 87 /* 88 * Checks if the given locale is excluded from locale SPI test 89 */ isExcluded(Locale loc)90 public static boolean isExcluded(Locale loc) { 91 if (Locale.ROOT.equals(loc)) { 92 return true; 93 } 94 if (isICUExtendedLocale(loc)) { 95 return false; 96 } 97 return !ICU_LOCALES.contains(loc); 98 } 99 } 100