1 /* 2 * Copyright (c) 2012, 2019, 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 package build.tools.cldrconverter; 27 28 import java.util.Locale; 29 30 /** 31 * Constants for the Calendars supported by JRE. 32 * Note that "GENERIC" calendar data will NOT be extracted to JDK's ResourceBundles. 33 */ 34 enum CalendarType { 35 GENERIC, GREGORIAN("gregory"), BUDDHIST, JAPANESE, ROC, 36 ISLAMIC, ISLAMIC_CIVIL("islamic-civil"), ISLAMIC_UMALQURA("islamic-umalqura"); 37 38 private static final int[][] ERA_DATA = { 39 // start index, array length 40 {0, 2}, // generic 41 {0, 2}, // gregorian 42 {0, 1}, // buddhist 43 {232, 5}, // japanese (eras from Meiji) 44 {0, 2}, // roc (Minguo) 45 {0, 1}, // islamic (Hijrah) 46 {0, 1}, // islamic-civil (same as islamic) 47 {0, 1}, // islamic-umalqura 48 }; 49 50 private final String lname; // lowercase name 51 private final String uname; // unicode key name (e.g., "gregory" for GREGORIAN) 52 CalendarType()53 private CalendarType() { 54 this(null); 55 } 56 CalendarType(String uname)57 private CalendarType(String uname) { 58 String lname = name().toLowerCase(Locale.ROOT); 59 if (lname.startsWith("islamic_")) { 60 lname = lname.replace('_', '-'); 61 } 62 this.lname = lname; 63 this.uname = (uname != null) ? uname : lname; 64 } 65 lname()66 String lname() { 67 return lname; 68 } 69 uname()70 String uname() { 71 return uname; 72 } 73 keyElementName()74 String keyElementName() { 75 return (this == GREGORIAN) ? "" : lname + "."; 76 } 77 normalizeEraIndex(int index)78 int normalizeEraIndex(int index) { 79 index -= ERA_DATA[ordinal()][0]; 80 if (index >= ERA_DATA[ordinal()][1]) { 81 index = -1; 82 } 83 return index; 84 } 85 getEraLength(String name)86 int getEraLength(String name) { 87 return ERA_DATA[ordinal()][1]; 88 } 89 forName(String name)90 static CalendarType forName(String name) { 91 for (CalendarType type : values()) { 92 if (type.lname.equals(name) || type.uname.equals(name)) { 93 return type; 94 } 95 } 96 return null; 97 } 98 } 99