--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/classes/sun/util/BuddhistCalendar.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,262 @@
+/*
+ * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.util;
+
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.util.GregorianCalendar;
+import java.util.Locale;
+import java.util.Map;
+import java.util.TimeZone;
+import sun.util.locale.provider.CalendarDataUtility;
+
+public class BuddhistCalendar extends GregorianCalendar {
+
+//////////////////
+// Class Variables
+//////////////////
+
+ private static final long serialVersionUID = -8527488697350388578L;
+
+ private static final int BUDDHIST_YEAR_OFFSET = 543;
+
+///////////////
+// Constructors
+///////////////
+
+ /**
+ * Constructs a default BuddhistCalendar using the current time
+ * in the default time zone with the default locale.
+ */
+ public BuddhistCalendar() {
+ super();
+ }
+
+ /**
+ * Constructs a BuddhistCalendar based on the current time
+ * in the given time zone with the default locale.
+ * @param zone the given time zone.
+ */
+ public BuddhistCalendar(TimeZone zone) {
+ super(zone);
+ }
+
+ /**
+ * Constructs a BuddhistCalendar based on the current time
+ * in the default time zone with the given locale.
+ * @param aLocale the given locale.
+ */
+ public BuddhistCalendar(Locale aLocale) {
+ super(aLocale);
+ }
+
+ /**
+ * Constructs a BuddhistCalendar based on the current time
+ * in the given time zone with the given locale.
+ * @param zone the given time zone.
+ * @param aLocale the given locale.
+ */
+ public BuddhistCalendar(TimeZone zone, Locale aLocale) {
+ super(zone, aLocale);
+ }
+
+/////////////////
+// Public methods
+/////////////////
+
+ /**
+ * Returns {@code "buddhist"} as the calendar type of this Calendar.
+ */
+ @Override
+ public String getCalendarType() {
+ return "buddhist";
+ }
+
+ /**
+ * Compares this BuddhistCalendar to an object reference.
+ * @param obj the object reference with which to compare
+ * @return true if this object is equal to <code>obj</code>; false otherwise
+ */
+ @Override
+ public boolean equals(Object obj) {
+ return obj instanceof BuddhistCalendar
+ && super.equals(obj);
+ }
+
+ /**
+ * Override hashCode.
+ * Generates the hash code for the BuddhistCalendar object
+ */
+ @Override
+ public int hashCode() {
+ return super.hashCode() ^ BUDDHIST_YEAR_OFFSET;
+ }
+
+ /**
+ * Gets the value for a given time field.
+ * @param field the given time field.
+ * @return the value for the given time field.
+ */
+ @Override
+ public int get(int field)
+ {
+ if (field == YEAR) {
+ return super.get(field) + yearOffset;
+ }
+ return super.get(field);
+ }
+
+ /**
+ * Sets the time field with the given value.
+ * @param field the given time field.
+ * @param value the value to be set for the given time field.
+ */
+ @Override
+ public void set(int field, int value)
+ {
+ if (field == YEAR) {
+ super.set(field, value - yearOffset);
+ } else {
+ super.set(field, value);
+ }
+ }
+
+ /**
+ * Adds the specified (signed) amount of time to the given time field.
+ * @param field the time field.
+ * @param amount the amount of date or time to be added to the field.
+ */
+ @Override
+ public void add(int field, int amount)
+ {
+ int savedYearOffset = yearOffset;
+ // To let the superclass calculate date-time values correctly,
+ // temporarily make this GregorianCalendar.
+ yearOffset = 0;
+ try {
+ super.add(field, amount);
+ } finally {
+ yearOffset = savedYearOffset;
+ }
+ }
+
+ /**
+ * Add to field a signed amount without changing larger fields.
+ * A negative roll amount means to subtract from field without changing
+ * larger fields.
+ * @param field the time field.
+ * @param amount the signed amount to add to <code>field</code>.
+ */
+ @Override
+ public void roll(int field, int amount)
+ {
+ int savedYearOffset = yearOffset;
+ // To let the superclass calculate date-time values correctly,
+ // temporarily make this GregorianCalendar.
+ yearOffset = 0;
+ try {
+ super.roll(field, amount);
+ } finally {
+ yearOffset = savedYearOffset;
+ }
+ }
+
+ @Override
+ public String getDisplayName(int field, int style, Locale locale) {
+ if (field != ERA) {
+ return super.getDisplayName(field, style, locale);
+ }
+
+ return CalendarDataUtility.retrieveFieldValueName("buddhist", field, get(field), style, locale);
+ }
+
+ @Override
+ public Map<String,Integer> getDisplayNames(int field, int style, Locale locale) {
+ if (field != ERA) {
+ return super.getDisplayNames(field, style, locale);
+ }
+ return CalendarDataUtility.retrieveFieldValueNames("buddhist", field, style, locale);
+ }
+
+ /**
+ * Returns the maximum value that this field could have, given the
+ * current date. For example, with the date "Feb 3, 2540" and the
+ * <code>DAY_OF_MONTH</code> field, the actual maximum is 28; for
+ * "Feb 3, 2539" it is 29.
+ *
+ * @param field the field to determine the maximum of
+ * @return the maximum of the given field for the current date of this Calendar
+ */
+ @Override
+ public int getActualMaximum(int field) {
+ int savedYearOffset = yearOffset;
+ // To let the superclass calculate date-time values correctly,
+ // temporarily make this GregorianCalendar.
+ yearOffset = 0;
+ try {
+ return super.getActualMaximum(field);
+ } finally {
+ yearOffset = savedYearOffset;
+ }
+ }
+
+ @Override
+ @SuppressWarnings("empty-statement")
+ public String toString() {
+ // The super class produces a String with the Gregorian year
+ // value (or '?')
+ String s = super.toString();
+ // If the YEAR field is UNSET, then return the Gregorian string.
+ if (!isSet(YEAR)) {
+ return s;
+ }
+
+ final String yearField = "YEAR=";
+ int p = s.indexOf(yearField);
+ // If the string doesn't include the year value for some
+ // reason, then return the Gregorian string.
+ if (p == -1) {
+ return s;
+ }
+ p += yearField.length();
+ StringBuilder sb = new StringBuilder(s.length() + 10);
+ sb.append(s, 0, p);
+ // Skip the year number
+ while (Character.isDigit(s.charAt(p++)))
+ ;
+ int year = internalGet(YEAR) + BUDDHIST_YEAR_OFFSET;
+ sb.append(year).append(s, p - 1, s.length());
+ return sb.toString();
+ }
+
+ private transient int yearOffset = BUDDHIST_YEAR_OFFSET;
+
+ private void readObject(ObjectInputStream stream)
+ throws IOException, ClassNotFoundException {
+ stream.defaultReadObject();
+ yearOffset = BUDDHIST_YEAR_OFFSET;
+ }
+}