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