Initial revision

From-SVN: r26263

libjava/java/util/TimeZone.java

@@ -0,0 +1,120 @@
+/* Copyright (C) 1998, 1999  Cygnus Solutions
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+package java.util;
+
+/**
+ * @author Per Bothner <bothner@cygnus.com>
+ * @date October 24, 1998.
+ */
+
+/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3.
+ * Status:  getAvailableIDs, getDefault, getTimeZone only know about GMT.
+ */
+
+public abstract class TimeZone implements java.io.Serializable, Cloneable
+{
+  public static final int SHORT = 0;
+  public static final int LONG = 1;
+
+  // The fields are as specified in Sun's "Serialized Form"
+  // in the JDK 1.2 beta 4 API specification.
+  String ID;
+
+  static final TimeZone zoneGMT = new SimpleTimeZone(0, "GMT");
+
+  private static TimeZone zoneDefault;
+
+  public TimeZone ()
+  {
+  }
+
+  public abstract int getOffset (int era, int year, int month,
+				 int day, int dayOfWeek, int milliseconds);
+
+  public abstract void setRawOffset (int offsetMillis);
+
+  public abstract int getRawOffset ();
+
+  public String getID () { return ID; }
+
+  public void setID (String ID) { this.ID = ID; }
+
+  public final String getDisplayName()
+  {
+    return ID;  // FIXME
+  }
+
+  // public final String getDisplayName (Local locale) { ... }  FIXME
+
+  public final String getDisplayName (boolean daylight, int style)
+  {
+    return ID;  // FIXME
+  }
+
+  /*
+  public final String getDisplayName (boolean daylight, int style, Locale locale)
+  {
+    return ID;  // FIXME
+  }
+  */
+
+  public abstract boolean useDaylightTime();
+
+  public abstract boolean inDaylightTime (Date date);
+
+  public static TimeZone getTimeZone (String ID)
+  {
+    return zoneGMT;  // FIXME
+  }
+
+  public static String[] getAvailableIDs()
+  { // FIXME - only knows about GMT
+    String[] zones = new String[1];
+    zones[0] = "GMT";
+    return zones;
+  }
+
+  public static String[] getAvailableIDs(int rawOffset)
+  {
+    return rawOffset == 0 ? getAvailableIDs() : new String[0];  // FIXME
+  }
+
+  private static synchronized TimeZone setDefault()
+  {
+    if (zoneDefault == null)
+      {
+	try
+	  {
+	    String id = System.getProperty("user.timezone");
+	    if (id != null && ! id.equals("GMT"))
+	      zoneDefault = getTimeZone(id);
+	  }
+	catch (Exception ex)
+	  {
+	  }
+	if (zoneDefault == null)
+	  zoneDefault = zoneGMT;
+      }
+    return zoneDefault;
+  }
+
+  public static TimeZone getDefault()
+  {
+    return zoneDefault == null ? setDefault() : zoneDefault;
+  }
+
+  public static void setDefault (TimeZone zone) { zoneDefault = zone; }
+
+  public boolean hasSameRules (TimeZone other)
+  {
+    return this == other;
+  }
+
+  // public Object clone ();
+}