--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/util/calendar/zi/Rule.java Tue Feb 12 09:25:43 2013 -0800
@@ -0,0 +1,182 @@
+/*
+ * Copyright (c) 2000, 2004, 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.
+ */
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.List;
+import java.util.StringTokenizer;
+
+/**
+ * Rule manipulates Rule records.
+ *
+ * @since 1.4
+ */
+class Rule {
+
+ private List<RuleRec> list;
+ private String name;
+
+ /**
+ * Constructs a Rule which consists of a Rule record list. The
+ * specified name is given to this Rule.
+ * @param name the Rule name
+ */
+ Rule(String name) {
+ this.name = name;
+ list = new ArrayList<RuleRec>();
+ }
+
+ /**
+ * Added a RuleRec to the Rule record list.
+ */
+ void add(RuleRec rec) {
+ list.add(rec);
+ }
+
+ /**
+ * @return the Rule name
+ */
+ String getName() {
+ return name;
+ }
+
+ /**
+ * Gets all rule records that cover the given year.
+ *
+ * @param year the year number for which the rule is applicable.
+ * @return rules in List that are collated in time. If no rule is found, an empty
+ * List is returned.
+ */
+ List<RuleRec> getRules(int year) {
+ List<RuleRec> rules = new ArrayList<RuleRec>(3);
+ for (RuleRec rec : list) {
+ if (year >= rec.getFromYear() && year <= rec.getToYear()) {
+ if ((rec.isOdd() && year % 2 == 0) || (rec.isEven() && year % 2 == 1))
+ continue;
+ rules.add(rec);
+ }
+ }
+ int n = rules.size();
+ if (n <= 1) {
+ return rules;
+ }
+ if (n == 2) {
+ RuleRec rec1 = rules.get(0);
+ RuleRec rec2 = rules.get(1);
+ if (rec1.getMonthNum() > rec2.getMonthNum()) {
+ rules.set(0, rec2);
+ rules.set(1, rec1);
+ } else if (rec1.getMonthNum() == rec2.getMonthNum()) {
+ // TODO: it's not accurate to ignore time types (STD, WALL, UTC)
+ long t1 = Time.getLocalTime(year, rec1.getMonth(),
+ rec1.getDay(), rec1.getTime().getTime());
+ long t2 = Time.getLocalTime(year, rec2.getMonth(),
+ rec2.getDay(), rec2.getTime().getTime());
+ if (t1 > t2) {
+ rules.set(0, rec2);
+ rules.set(1, rec1);
+ }
+ }
+ return rules;
+ }
+
+ final int y = year;
+ RuleRec[] recs = new RuleRec[rules.size()];
+ rules.toArray(recs);
+ Arrays.sort(recs, new Comparator<RuleRec>() {
+ public int compare(RuleRec r1, RuleRec r2) {
+ int n = r1.getMonthNum() - r2.getMonthNum();
+ if (n != 0) {
+ return n;
+ }
+ // TODO: it's not accurate to ignore time types (STD, WALL, UTC)
+ long t1 = Time.getLocalTime(y, r1.getMonth(),
+ r1.getDay(), r1.getTime().getTime());
+ long t2 = Time.getLocalTime(y, r2.getMonth(),
+ r2.getDay(), r2.getTime().getTime());
+ return (int)(t1 - t2);
+ }
+ public boolean equals(Object o) {
+ return this == o;
+ }
+ });
+ rules.clear();
+ for (int i = 0; i < n; i++) {
+ rules.add(recs[i]);
+ }
+ return rules;
+ }
+
+ /**
+ * Gets rule records that have either "max" or cover the endYear
+ * value in its DST schedule.
+ *
+ * @return rules that contain last DST schedule. An empty
+ * ArrayList is returned if no last rules are found.
+ */
+ List<RuleRec> getLastRules() {
+ RuleRec start = null;
+ RuleRec end = null;
+
+ for (int i = 0; i < list.size(); i++) {
+ RuleRec rec = list.get(i);
+ if (rec.isLastRule()) {
+ if (rec.getSave() > 0) {
+ start = rec;
+ } else {
+ end = rec;
+ }
+ }
+ }
+ if (start == null || end == null) {
+ int endYear = Zoneinfo.getEndYear();
+ for (int i = 0; i < list.size(); i++) {
+ RuleRec rec = list.get(i);
+ if (endYear >= rec.getFromYear() && endYear <= rec.getToYear()) {
+ if (start == null && rec.getSave() > 0) {
+ start = rec;
+ } else {
+ if (end == null && rec.getSave() == 0) {
+ end = rec;
+ }
+ }
+ }
+ }
+ }
+
+ List<RuleRec> r = new ArrayList<RuleRec>(2);
+ if (start == null || end == null) {
+ if (start != null || end != null) {
+ Main.warning("found last rules for "+name+" inconsistent.");
+ }
+ return r;
+ }
+
+ r.add(start);
+ r.add(end);
+ return r;
+ }
+}