--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/util/calendar/zi/Zone.java	Tue Feb 12 09:25:43 2013 -0800
@@ -0,0 +1,166 @@
+/*
+ * 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.io.BufferedReader;
+import java.io.FileReader;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.StringTokenizer;
+
+/**
+ * Zone holds information corresponding to a "Zone" part of a time
+ * zone definition file.
+ *
+ * @since 1.4
+ */
+class Zone {
+    // zone name (e.g., "America/Los_Angeles")
+    private String name;
+
+    // zone records
+    private List<ZoneRec> list;
+
+    // target zone names for this compilation
+    private static Set<String> targetZones;
+
+    /**
+     * Constructs a Zone with the specified zone name.
+     * @param name the zone name
+     */
+    Zone(String name) {
+        this.name = name;
+        list = new ArrayList<ZoneRec>();
+    }
+
+    /**
+     * Reads time zone names to be generated, called "target zone
+     * name", from the specified text file and creats an internal hash
+     * table to keep those names. It's assumed that one text line
+     * contains a zone name or comments if it starts with
+     * '#'. Comments can't follow a zone name in a single line.
+     * @param fileName the text file name
+     */
+    static void readZoneNames(String fileName) {
+        if (fileName == null) {
+            return;
+        }
+        BufferedReader in = null;
+        try {
+            FileReader fr = new FileReader(fileName);
+            in = new BufferedReader(fr);
+        } catch (FileNotFoundException e) {
+            Main.panic("can't open file: " + fileName);
+        }
+        targetZones = new HashSet<String>();
+        String line;
+
+        try {
+            while ((line = in.readLine()) != null) {
+                line = line.trim();
+                if (line.length() == 0 || line.charAt(0) == '#') {
+                    continue;
+                }
+                if (!targetZones.add(line)) {
+                    Main.warning("duplicated target zone name: " + line);
+                }
+            }
+            in.close();
+        } catch (IOException e) {
+            Main.panic("IO error: "+e.getMessage());
+        }
+    }
+
+    /**
+     * Determines whether the specified zone is one of the target zones.
+     * If no target zones are specified, this method always returns
+     * true for any zone name.
+     * @param zoneName the zone name
+     * @return true if the specified name is a target zone.
+     */
+    static boolean isTargetZone(String zoneName) {
+        if (targetZones == null) {
+            return true;
+        }
+        return targetZones.contains(zoneName);
+    }
+
+    /**
+     * Forces to add "MET" to the target zone table. This is because
+     * there is a conflict between Java zone name "WET" and Olson zone
+     * name.
+     */
+    static void addMET() {
+        if (targetZones != null) {
+            targetZones.add("MET");
+        }
+    }
+
+    /**
+     * @return the zone name
+     */
+    String getName() {
+        return name;
+    }
+
+    /**
+     * Adds the specified zone record to the zone record list.
+     */
+    void add(ZoneRec rec) {
+        list.add(rec);
+    }
+
+    /**
+     * @param index the index at which the zone record in the list is returned.
+     * @return the zone record specified by the index.
+     */
+    ZoneRec get(int index) {
+        return list.get(index);
+    }
+
+    /**
+     * @return the size of the zone record list
+     */
+    int size() {
+        return list.size();
+    }
+
+    /**
+     * Resolves the reference to a rule in each zone record.
+     * @param zi the Zoneinfo object with which the rule reference is
+     * resolved.
+     */
+    void resolve(Zoneinfo zi) {
+        for (int i = 0; i < list.size(); i++) {
+            ZoneRec rec = list.get(i);
+            rec.resolve(zi);
+        }
+    }
+}