jdk/test/sun/util/calendar/zi/Simple.java
changeset 15658 55b829ca2334
child 23010 6dadb192ad81
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/util/calendar/zi/Simple.java	Tue Feb 12 09:25:43 2013 -0800
@@ -0,0 +1,186 @@
+/*
+ * Copyright (c) 2000, 2011, 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.io.BufferedWriter;
+import  java.io.File;
+import  java.io.FileWriter;
+import  java.io.IOException;
+import  java.util.HashMap;
+import  java.util.List;
+import  java.util.Map;
+import  java.util.Set;
+import  java.util.SortedMap;
+import  java.util.TreeMap;
+import  java.util.TreeSet;
+
+/**
+ * <code>Simple</code> generates TimeZoneData, which had been used as internal
+ * data of TimeZone before J2SDK1.3.
+ * Since J2SDK1.4 doesn't need TimeZoneData, this class is for maintenance
+ * of old JDK release.
+ */
+class Simple extends BackEnd {
+
+    /**
+     * Zone records which are applied for given year.
+     */
+    private static Map<String,ZoneRec> lastZoneRecs = new HashMap<>();
+
+    /**
+     * Rule records which are applied for given year.
+     */
+    private static Map<String,List<RuleRec>> lastRules = new TreeMap<>();
+
+    /**
+     * zone IDs sorted by their GMT offsets. If zone's GMT
+     * offset will change in the future, its last known offset is
+     * used.
+     */
+    private SortedMap<Integer, Set<String>> zonesByOffset = new TreeMap<>();
+
+    /**
+     * Sets last Rule records and Zone records for given timezone to
+     * each Map.
+     *
+     * @param tz Timezone object for each zone
+     * @return always 0
+     */
+    int processZoneinfo(Timezone tz) {
+        String zonename = tz.getName();
+
+        lastRules.put(zonename, tz.getLastRules());
+        lastZoneRecs.put(zonename, tz.getLastZoneRec());
+
+        // Populate zonesByOffset. (Zones that will change their
+        // GMT offsets are also added to zonesByOffset here.)
+        int lastKnownOffset = tz.getRawOffset();
+        Set<String> set = zonesByOffset.get(lastKnownOffset);
+        if (set == null) {
+            set = new TreeSet<>();
+            zonesByOffset.put(lastKnownOffset, set);
+        }
+        set.add(zonename);
+
+        return 0;
+    }
+
+    /**
+     * Generates TimeZoneData to output SimpleTimeZone data.
+     * @param map Mappings object which is generated by {@link Main#compile}.
+     * @return 0 if no error occurred, otherwise 1.
+     */
+    int generateSrc(Mappings map) {
+        try {
+            File outD = new File(Main.getOutputDir());
+            outD.mkdirs();
+
+            FileWriter fw =
+                new FileWriter(new File(outD, "TimeZoneData.java"), false);
+            BufferedWriter out = new BufferedWriter(fw);
+
+            out.write("import java.util.SimpleTimeZone;\n\n");
+            out.write("    static SimpleTimeZone zones[] = {\n");
+
+            Map<String,String> a = map.getAliases();
+            List<Integer> roi = map.getRawOffsetsIndex();
+            List<Set<String>> roit = map.getRawOffsetsIndexTable();
+
+            int index = 0;
+            for (int offset : zonesByOffset.keySet()) {
+                int o = roi.get(index);
+                Set<String> set = zonesByOffset.get(offset);
+                if (offset == o) {
+                    // Merge aliases into zonesByOffset
+                    set.addAll(roit.get(index));
+                }
+                index++;
+
+                for (String key : set) {
+                    ZoneRec zrec;
+                    String realname;
+                    List<RuleRec> stz;
+                    if ((realname = a.get(key)) != null) {
+                        // if this alias is not targeted, ignore it.
+                        if (!Zone.isTargetZone(key)) {
+                            continue;
+                        }
+                        stz = lastRules.get(realname);
+                        zrec = lastZoneRecs.get(realname);
+                    } else {
+                        stz = lastRules.get(key);
+                        zrec = lastZoneRecs.get(key);
+                    }
+
+                    out.write("\t//--------------------------------------------------------------------\n");
+                    String s = Time.toFormedString(offset);
+                    out.write("\tnew SimpleTimeZone(" +
+                        Time.toFormedString(offset) + ", \"" + key + "\"");
+                    if (realname != null) {
+                        out.write(" /* " + realname + " */");
+                    }
+
+                    if (stz == null) {
+                        out.write("),\n");
+                    } else {
+                        RuleRec rr0 = stz.get(0);
+                        RuleRec rr1 = stz.get(1);
+
+                        out.write(",\n\t  " + Month.toString(rr0.getMonthNum()) +
+                                  ", " + rr0.getDay().getDayForSimpleTimeZone() + ", " +
+                                  rr0.getDay().getDayOfWeekForSimpleTimeZone() + ", " +
+                                  Time.toFormedString((int)rr0.getTime().getTime()) + ", " +
+                                  rr0.getTime().getTypeForSimpleTimeZone() + ",\n" +
+
+                                  "\t  " + Month.toString(rr1.getMonthNum()) + ", " +
+                                  rr1.getDay().getDayForSimpleTimeZone() + ", " +
+                                  rr1.getDay().getDayOfWeekForSimpleTimeZone() + ", " +
+                                  Time.toFormedString((int)rr1.getTime().getTime())+ ", " +
+                                  rr1.getTime().getTypeForSimpleTimeZone() + ",\n" +
+
+                                  "\t  " + Time.toFormedString(rr0.getSave()) + "),\n");
+
+                        out.write("\t// " + rr0.getLine() + "\n");
+                        out.write("\t// " + rr1.getLine() + "\n");
+                    }
+
+                    String zline = zrec.getLine();
+                    if (zline.indexOf("Zone") == -1) {
+                        zline = "Zone " + key + "\t" + zline.trim();
+                    }
+                    out.write("\t// " + zline + "\n");
+                }
+            }
+            out.write("    };\n");
+
+            out.close();
+            fw.close();
+        } catch(IOException e) {
+            Main.panic("IO error: "+e.getMessage());
+            return 1;
+        }
+
+        return 0;
+    }
+}