1 /* 2 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* 27 * See OldMappingTest.sh 28 */ 29 30 import java.lang.reflect.*; 31 import java.util.*; 32 33 public class OldIDMappingTest { 34 private static final String MAPPING_PROPERTY_NAME = "sun.timezone.ids.oldmapping"; 35 private static final Map<String, String> newmap = new HashMap<String, String>(); 36 static { 37 // Add known new mappings 38 newmap.put("EST", "EST"); 39 newmap.put("MST", "MST"); 40 newmap.put("HST", "HST"); 41 } 42 43 public static void main(String[] args) { 44 boolean useOldMapping = true; 45 String arg = args[0]; 46 if (arg.equals("-new")) { 47 useOldMapping = false; 48 } else if (arg.equals("-old")) { 49 useOldMapping = true; 50 } else { 51 throw new RuntimeException("-old or -new must be specified; got " + arg); 52 } 53 54 // Get a Field for TzIDOldMapping in sun.util.calendar. 55 Map<String, String> oldmap = null; 56 try { 57 Class<?> oldmapClass = Class.forName("sun.util.calendar.TzIDOldMapping"); 58 Field map = oldmapClass.getDeclaredField("MAP"); 59 map.setAccessible(true); 60 oldmap = (Map<String, String>) map.get(null); 61 } catch (Exception e) { 62 throw new RuntimeException("can't get TzIDOldMapping.MAP", e); 63 } 64 65 String prop = System.getProperty(MAPPING_PROPERTY_NAME); 66 System.out.println(MAPPING_PROPERTY_NAME + "=" + prop); 67 68 // Try the test multiple times with modifying TimeZones to 69 // make sure TimeZone instances for the old mapping are 70 // properly copied (defensive copy). 71 for (int count = 0; count < 3; count++) { 72 for (String id : oldmap.keySet()) { 73 TimeZone tzAlias = TimeZone.getTimeZone(id); 74 TimeZone tz = TimeZone.getTimeZone(oldmap.get(id)); 75 if (useOldMapping) { 76 if (!tzAlias.hasSameRules(tz)) { 77 throw new RuntimeException("OLDMAP: " + MAPPING_PROPERTY_NAME + "=" + prop + ": " 78 + id + " isn't an alias of " + oldmap.get(id)); 79 } 80 if (count == 0) { 81 System.out.println(" " + id + " => " + oldmap.get(id)); 82 } 83 tzAlias.setRawOffset(tzAlias.getRawOffset() * count); 84 } else { 85 if (!newmap.containsKey(id)) { 86 // ignore ids not contained in the new map 87 if (count == 0) { 88 System.out.println(" " + id + " => " + oldmap.get(id)); 89 } 90 tzAlias.setRawOffset(tzAlias.getRawOffset() * count); 91 continue; 92 } 93 if (tzAlias.hasSameRules(tz)) { 94 throw new RuntimeException("NEWMAP: " + MAPPING_PROPERTY_NAME + "=" + prop + ": " 95 + id + " is an alias of " + oldmap.get(id)); 96 } 97 tz = TimeZone.getTimeZone(newmap.get(id)); 98 if (!tzAlias.hasSameRules(tz)) { 99 throw new RuntimeException("NEWMAP: " + MAPPING_PROPERTY_NAME + "=" + prop + ": " 100 + id + " isn't an alias of " + newmap.get(id)); 101 } 102 if (count == 0) { 103 System.out.println(" " + id + " => " + newmap.get(id)); 104 } 105 tzAlias.setRawOffset(tzAlias.getRawOffset() * count); 106 } 107 } 108 } 109 } 110 }