re PR libgcj/3144 (java.lang.Date.compareTo() not supported)
Fix for PR libgcj/3144: * java/util/Date.java: Merged with Classpath. From-SVN: r43374
This commit is contained in:
Tom Tromey
Tom Tromey
parent
e323735cb2
commit
fc07ebe2a7
2 changed files with 417 additions and 145 deletions
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@ -1,3 +1,8 @@
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2001-06-14 Tom Tromey <tromey@redhat.com>
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Fix for PR libgcj/3144:
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* java/util/Date.java: Merged with Classpath.
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2001-06-12 Tom Tromey <tromey@redhat.com>
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2001-06-12 Tom Tromey <tromey@redhat.com>
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* aclocal.m4, configure: Rebuilt.
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* aclocal.m4, configure: Rebuilt.
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@ -1,52 +1,296 @@
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/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation
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/* java.util.Date
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Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
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This file is part of libgcj.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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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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package java.util;
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import java.text.*;
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/**
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/**
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* This class represents a specific time in milliseconds since the epoch.
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* The epoch is 1970, January 1 00:00:00.0000 UTC.
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*
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* Date is intended to reflect universal time coordinate (UTC), but doesn't
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* handle the leap seconds.
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*
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* Prior to jdk 1.1 this class was the sole Time class and had also
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* calendar functionality. But this can't be localized, so a new Calendar
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* class was created, that you should use instead. The functions which
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* get or return a year, month, day etc. are all deprecated and shouldn't be
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* used. Use Calendar instead.
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*
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* @see Calendar
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* @see GregorianCalendar
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* @see java.text.DateFormat
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* @author Jochen Hoenicke
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* @author Per Bothner <bothner@cygnus.com>
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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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*/
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public class Date implements Cloneable, Comparable, java.io.Serializable
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/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3,
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* "The Java Language Specification", ISBN 0-201-63451-1,
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* and O'Reilly's "Java in a Nutshell".
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* Status: Need to re-write toString().
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* Missing: ToGMTString.
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*/
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public class Date implements java.io.Serializable, Cloneable
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{
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{
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/**
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* This is the serialization UID for this class
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*/
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private static final long serialVersionUID = 7523967970034938905L;
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private static final long serialVersionUID = 7523967970034938905L;
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transient private long millis;
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/**
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* The time in milliseconds since the epoch.
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*/
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private transient long time;
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public Date() { millis = System.currentTimeMillis(); }
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/**
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* Creates a new Date Object representing the current time.
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public Date(long millis) { this.millis = millis; }
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*/
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public Date()
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public Date(int year, int month, int date, int hours,
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int minutes, int seconds)
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{
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{
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setTime(year, month, date, hours, minutes, seconds);
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time = System.currentTimeMillis();
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}
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}
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public Date(int year, int month, int date, int hours, int minutes)
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/**
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* Creates a new Date Object representing the given time.
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* @param time the time in milliseconds since the epoch.
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*/
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public Date(long time)
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{
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{
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setTime(year, month, date, hours, minutes, 0);
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this.time = time;
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}
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}
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public Date(int year, int month, int date)
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/**
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* Creates a new Date Object representing the given time.
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* @deprecated use <code>new GregorianCalendar(year+1900, month,
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* day)</code> instead.
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*/
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public Date(int year, int month, int day)
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{
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{
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setTime(year, month, date, 0, 0, 0);
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time = new GregorianCalendar(year + 1900, month, day).getTimeInMillis();
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}
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}
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public Date (String s) { this(parse(s)); }
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/**
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* Creates a new Date Object representing the given time.
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* @deprecated use <code>new GregorianCalendar(year+1900, month,
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* day, hour, min)</code> instead.
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*/
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public Date(int year, int month, int day, int hour, int min)
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{
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time =
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new GregorianCalendar(year + 1900, month, day, hour,
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min).getTimeInMillis();
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}
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/*
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* Creates a new Date Object representing the given time.
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* @deprecated use <code>new GregorianCalendar(year+1900, month,
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* day)</code> instead.
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*/
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public Date(int year, int month, int day, int hour, int min, int sec)
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{
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time =
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new GregorianCalendar(year + 1900, month, day, hour, min,
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sec).getTimeInMillis();
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}
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/**
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* Creates a new Date from the given string representation. This
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* does the same as <code>new Date(Date.parse(s))</code>
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* @see #parse
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* @deprecated use <code>java.text.DateFormat.parse(s)</code> instead.
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*/
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public Date(String s)
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{
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time = parse(s);
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}
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public Object clone()
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{
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try
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{
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return super.clone();
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}
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catch (CloneNotSupportedException ex)
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{
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return null;
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}
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}
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/**
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* @deprecated Use Calendar with a UTC TimeZone instead.
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* @return the time in millis since the epoch.
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*/
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public static long UTC(int year, int month, int date,
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int hrs, int min, int sec)
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{
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GregorianCalendar cal =
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new GregorianCalendar(year + 1900, month, date, hrs, min, sec);
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cal.set(Calendar.ZONE_OFFSET, 0);
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cal.set(Calendar.DST_OFFSET, 0);
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return cal.getTimeInMillis();
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}
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/**
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* Gets the time represented by this Object
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* @return the time in milliseconds since the epoch.
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*/
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public long getTime()
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{
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return time;
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}
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/**
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* @deprecated use
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* Calendar.get(Calendar.ZONE_OFFSET)+Calendar.get(Calendar.DST_OFFSET)
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* instead.
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* @return The time zone offset in minutes of the local time zone
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* relative to UTC. The time represented by this object is used to
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* determine if we should use daylight savings.
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*/
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public int getTimezoneOffset()
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{
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Calendar cal = Calendar.getInstance();
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cal.setTimeInMillis(time);
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return (cal.get(Calendar.ZONE_OFFSET)
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+ cal.get(Calendar.DST_OFFSET)) / (60 * 1000);
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}
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/**
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* Sets the time which this Object should represented.
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* @param time the time in milliseconds since the epoch. */
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public void setTime(long time)
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{
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this.time = time;
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}
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/**
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* Tests if this date is after the specified date.
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* @param when the other date
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* @return true, if the date represented by this Object is
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* strictly later than the time represented by when.
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*/
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public boolean after(Date when)
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{
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return time > when.time;
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}
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/**
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* Tests if this date is before the specified date.
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* @param when the other date
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* @return true, if the date represented by when is strictly later
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* than the time represented by this object.
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*/
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public boolean before(Date when)
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{
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return time < when.time;
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}
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/**
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* Compares two dates for equality.
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* @param obj the object to compare.
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* @return true, if obj is a Date object and the date represented
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* by obj is exactly the same as the time represented by this
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* object.
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*/
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public boolean equals(Object obj)
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{
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return (obj instanceof Date && time == ((Date) obj).time);
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}
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/**
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* Compares two dates.
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* @param when the other date.
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* @return 0, if the date represented
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* by obj is exactly the same as the time represented by this
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* object, a negative if this Date is before the other Date, and
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* a positive value otherwise.
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*/
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public int compareTo(Date when)
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{
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return (time < when.time) ? -1 : (time == when.time) ? 0 : 1;
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}
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/**
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* Compares this Date to another. This behaves like
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* <code>compareTo(Date)</code>, but it may throw a
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* <code>ClassCastException</code>
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* @param obj the other date.
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* @return 0, if the date represented
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* by obj is exactly the same as the time represented by this
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* object, a negative if this Date is before the other Date, and
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* a positive value otherwise.
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* @exception ClassCastException if obj is not of type Date.
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*/
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public int compareTo(Object obj)
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{
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return compareTo((Date) obj);
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}
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public int hashCode()
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{
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return (int) time ^ (int) (time >>> 32);
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}
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private String[] weekNames = { "Sun", "Mon", "Tue", "Wed",
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"Thu", "Fri", "Sat" };
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private String[] monthNames = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
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"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
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public String toString()
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{
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Calendar cal = Calendar.getInstance();
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cal.setTimeInMillis(time);
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String day = "0" + cal.get(Calendar.DATE);
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String hour = "0" + cal.get(Calendar.HOUR_OF_DAY);
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String min = "0" + cal.get(Calendar.MINUTE);
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String sec = "0" + cal.get(Calendar.SECOND);
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String year = "000" + cal.get(Calendar.YEAR);
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return weekNames[cal.get(Calendar.DAY_OF_WEEK) - 1] + " "
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+ monthNames[cal.get(Calendar.MONTH)] + " "
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+ day.substring(day.length() - 2) + " "
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+ hour.substring(hour.length() - 2) + ":"
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+ min.substring(min.length() - 2) + ":"
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+ sec.substring(sec.length() - 2) + " "
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+
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cal.getTimeZone().getDisplayName(cal.getTimeZone().inDaylightTime(this),
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TimeZone.SHORT) + " " +
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year.substring(year.length() - 4);
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}
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/** Format this object in a locale-specific way.
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* @deprecated Use DateFormat.format(Date)
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*/
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public String toLocaleString()
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{
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return java.text.DateFormat.getInstance().format(this);
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}
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/** Format this object in a standard format in the GMT timezone.
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* @deprecated Use DateFormat.format(Date) with a GMT TimeZone.
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*/
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public String toGMTString()
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{
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java.text.DateFormat format = java.text.DateFormat.getInstance();
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format.setTimeZone(TimeZone.getTimeZone("GMT"));
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return format.format(this);
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}
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private static int skipParens(String string, int offset)
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private static int skipParens(String string, int offset)
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{
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{
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@ -134,6 +378,10 @@ public class Date implements java.io.Serializable, Cloneable
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return false;
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return false;
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}
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}
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/** Parse a String and return the time it represents.
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* @param s The String to parse.
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* @deprecated Use DateFormat.parse(String)
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*/
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public static long parse(String string)
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public static long parse(String string)
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{
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{
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// Initialize date/time fields before parsing begins.
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// Initialize date/time fields before parsing begins.
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@ -331,164 +579,183 @@ public class Date implements java.io.Serializable, Cloneable
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-timezone * 60 * 1000);
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-timezone * 60 * 1000);
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}
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}
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public boolean after (Date when) { return this.millis > when.millis; }
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/**
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public boolean before (Date when) { return this.millis < when.millis; }
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* @return the year minus 1900 represented by this date object.
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* @deprecated Use Calendar instead of Date, and use get(Calendar.YEAR)
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public boolean equals(Object obj)
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* instead. Note about the 1900 difference in year.
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*/
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public int getYear()
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{
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{
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return (obj != null && obj instanceof Date
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Calendar cal = Calendar.getInstance();
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&& ((Date)obj).millis == this.millis);
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cal.setTimeInMillis(time);
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return cal.get(Calendar.YEAR) - 1900;
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}
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}
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public long getTime() { return millis; }
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/**
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* Sets the year to year minus 1900, not changing the other fields.
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public int hashCode()
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* @param year the year minus 1900.
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* @deprecated Use Calendar instead of Date, and use
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* set(Calendar.YEAR, year) instead. Note about the 1900
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* difference in year.
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*/
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public void setYear(int year)
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{
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{
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return (int)(millis^(millis>>>32));
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Calendar cal = Calendar.getInstance();
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cal.setTimeInMillis(time);
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cal.set(Calendar.YEAR, 1900 + year);
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time = cal.getTimeInMillis();
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}
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}
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private void setTime(int year, int month, int date,
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/**
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int hours, int minutes, int seconds)
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* @return the month represented by this date object (zero based).
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* @deprecated Use Calendar instead of Date, and use get(Calendar.MONTH)
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* instead.
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*/
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public int getMonth()
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{
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{
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Calendar cal = new GregorianCalendar(year+1900, month, date,
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Calendar cal = Calendar.getInstance();
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hours, minutes, seconds);
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cal.setTimeInMillis(time);
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millis = cal.getTimeInMillis();
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return cal.get(Calendar.MONTH);
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}
|
}
|
||||||
|
|
||||||
public void setTime(long millis) { this.millis = millis; }
|
/**
|
||||||
|
* Sets the month to the given value, not changing the other fields.
|
||||||
private int getField (int fld)
|
* @param month the month, zero based.
|
||||||
|
* @deprecated Use Calendar instead of Date, and use
|
||||||
|
* set(Calendar.MONTH, month) instead.
|
||||||
|
*/
|
||||||
|
public void setMonth(int month)
|
||||||
{
|
{
|
||||||
Calendar cal = new GregorianCalendar();
|
Calendar cal = Calendar.getInstance();
|
||||||
cal.setTime(this);
|
cal.setTimeInMillis(time);
|
||||||
return cal.get(fld);
|
cal.set(Calendar.MONTH, month);
|
||||||
|
time = cal.getTimeInMillis();
|
||||||
}
|
}
|
||||||
|
|
||||||
public int getYear ()
|
/**
|
||||||
|
* @return the day of month represented by this date object.
|
||||||
|
* @deprecated Use Calendar instead of Date, and use get(Calendar.DATE)
|
||||||
|
* instead.
|
||||||
|
*/
|
||||||
|
public int getDate()
|
||||||
{
|
{
|
||||||
return getField(Calendar.YEAR) - 1900;
|
Calendar cal = Calendar.getInstance();
|
||||||
|
cal.setTimeInMillis(time);
|
||||||
|
return cal.get(Calendar.DATE);
|
||||||
}
|
}
|
||||||
|
|
||||||
public int getMonth ()
|
/**
|
||||||
|
* Sets the date to the given value, not changing the other fields.
|
||||||
|
* @param date the date.
|
||||||
|
* @deprecated Use Calendar instead of Date, and use
|
||||||
|
* set(Calendar.DATE, date) instead.
|
||||||
|
*/
|
||||||
|
public void setDate(int date)
|
||||||
{
|
{
|
||||||
return getField(Calendar.MONTH);
|
Calendar cal = Calendar.getInstance();
|
||||||
|
cal.setTimeInMillis(time);
|
||||||
|
cal.set(Calendar.DATE, date);
|
||||||
|
time = cal.getTimeInMillis();
|
||||||
}
|
}
|
||||||
|
|
||||||
public int getDate ()
|
/**
|
||||||
|
* @return the day represented by this date object.
|
||||||
|
* @deprecated Use Calendar instead of Date, and use get(Calendar.DAY_OF_WEEK)
|
||||||
|
* instead.
|
||||||
|
*/
|
||||||
|
public int getDay()
|
||||||
{
|
{
|
||||||
return getField(Calendar.DATE);
|
Calendar cal = Calendar.getInstance();
|
||||||
|
cal.setTimeInMillis(time);
|
||||||
|
return cal.get(Calendar.DAY_OF_WEEK);
|
||||||
}
|
}
|
||||||
|
|
||||||
public int getDay ()
|
/**
|
||||||
|
* @return the hours represented by this date object.
|
||||||
|
* @deprecated Use Calendar instead of Date, and use get(Calendar.HOUR_OF_DAY)
|
||||||
|
* instead.
|
||||||
|
*/
|
||||||
|
public int getHours()
|
||||||
{
|
{
|
||||||
return getField(Calendar.DAY_OF_WEEK) - 1;
|
Calendar cal = Calendar.getInstance();
|
||||||
|
cal.setTimeInMillis(time);
|
||||||
|
return cal.get(Calendar.HOUR_OF_DAY);
|
||||||
}
|
}
|
||||||
|
|
||||||
public int getHours ()
|
/**
|
||||||
|
* Sets the hours to the given value, not changing the other fields.
|
||||||
|
* @param hours the hours.
|
||||||
|
* @deprecated Use Calendar instead of Date, and use
|
||||||
|
* set(Calendar.HOUR_OF_DAY, hours) instead.
|
||||||
|
*/
|
||||||
|
public void setHours(int hours)
|
||||||
{
|
{
|
||||||
return getField(Calendar.HOUR_OF_DAY);
|
Calendar cal = Calendar.getInstance();
|
||||||
|
cal.setTimeInMillis(time);
|
||||||
|
cal.set(Calendar.HOUR_OF_DAY, hours);
|
||||||
|
time = cal.getTimeInMillis();
|
||||||
}
|
}
|
||||||
|
|
||||||
public int getMinutes ()
|
/**
|
||||||
|
* @return the minutes represented by this date object.
|
||||||
|
* @deprecated Use Calendar instead of Date, and use get(Calendar.MINUTE)
|
||||||
|
* instead.
|
||||||
|
*/
|
||||||
|
public int getMinutes()
|
||||||
{
|
{
|
||||||
return getField(Calendar.MINUTE);
|
Calendar cal = Calendar.getInstance();
|
||||||
|
cal.setTimeInMillis(time);
|
||||||
|
return cal.get(Calendar.MINUTE);
|
||||||
}
|
}
|
||||||
|
|
||||||
public int getSeconds ()
|
/**
|
||||||
|
* Sets the minutes to the given value, not changing the other fields.
|
||||||
|
* @param minutes the minutes.
|
||||||
|
* @deprecated Use Calendar instead of Date, and use
|
||||||
|
* set(Calendar.MINUTE, minutes) instead.
|
||||||
|
*/
|
||||||
|
public void setMinutes(int minutes)
|
||||||
{
|
{
|
||||||
return getField(Calendar.SECOND);
|
Calendar cal = Calendar.getInstance();
|
||||||
|
cal.setTimeInMillis(time);
|
||||||
|
cal.set(Calendar.MINUTE, minutes);
|
||||||
|
time = cal.getTimeInMillis();
|
||||||
}
|
}
|
||||||
|
|
||||||
private void setField (int fld, int value)
|
/**
|
||||||
|
* @return the seconds represented by this date object.
|
||||||
|
* @deprecated Use Calendar instead of Date, and use get(Calendar.SECOND)
|
||||||
|
* instead.
|
||||||
|
*/
|
||||||
|
public int getSeconds()
|
||||||
{
|
{
|
||||||
Calendar cal = new GregorianCalendar();
|
Calendar cal = Calendar.getInstance();
|
||||||
cal.setTime(this);
|
cal.setTimeInMillis(time);
|
||||||
cal.set(fld, value);
|
return cal.get(Calendar.SECOND);
|
||||||
millis = cal.getTimeInMillis();
|
|
||||||
}
|
}
|
||||||
|
|
||||||
public void setYear (int year)
|
/**
|
||||||
|
* Sets the seconds to the given value, not changing the other fields.
|
||||||
|
* @param seconds the seconds.
|
||||||
|
* @deprecated Use Calendar instead of Date, and use
|
||||||
|
* set(Calendar.SECOND, seconds) instead.
|
||||||
|
*/
|
||||||
|
public void setSeconds(int seconds)
|
||||||
{
|
{
|
||||||
setField(Calendar.YEAR, 1900 + year);
|
Calendar cal = Calendar.getInstance();
|
||||||
}
|
cal.setTimeInMillis(time);
|
||||||
|
cal.set(Calendar.SECOND, seconds);
|
||||||
public void setMonth (int month)
|
time = cal.getTimeInMillis();
|
||||||
{
|
|
||||||
setField(Calendar.MONTH, month);
|
|
||||||
}
|
|
||||||
|
|
||||||
public void setDate (int date)
|
|
||||||
{
|
|
||||||
setField(Calendar.DATE, date);
|
|
||||||
}
|
|
||||||
|
|
||||||
public void setHours (int hours)
|
|
||||||
{
|
|
||||||
setField(Calendar.HOUR_OF_DAY, hours);
|
|
||||||
}
|
|
||||||
|
|
||||||
public void setMinutes (int minutes)
|
|
||||||
{
|
|
||||||
setField(Calendar.MINUTE, minutes);
|
|
||||||
}
|
|
||||||
|
|
||||||
public void setSeconds (int seconds)
|
|
||||||
{
|
|
||||||
setField(Calendar.SECOND, seconds);
|
|
||||||
}
|
|
||||||
|
|
||||||
public int getTimezoneOffset ()
|
|
||||||
{
|
|
||||||
Calendar cal = new GregorianCalendar();
|
|
||||||
cal.setTime(this);
|
|
||||||
return - (cal.get(Calendar.ZONE_OFFSET)
|
|
||||||
+ cal.get(Calendar.DST_OFFSET)/(60*1000));
|
|
||||||
}
|
|
||||||
|
|
||||||
public String toString ()
|
|
||||||
{
|
|
||||||
// This is slow, but does it matter? There is no particularly
|
|
||||||
// fast way to do it, because we need the timezone offset, which
|
|
||||||
// we don't store. Unix ctime() doesn't provide this information.
|
|
||||||
SimpleDateFormat fmt = new SimpleDateFormat ("E MMM dd HH:mm:ss z yyyy",
|
|
||||||
Locale.US);
|
|
||||||
fmt.setTimeZone(TimeZone.getDefault());
|
|
||||||
return fmt.format(this);
|
|
||||||
}
|
|
||||||
|
|
||||||
public String toGMTString ()
|
|
||||||
{
|
|
||||||
// This method is deprecated. We don't care if it is very slow.
|
|
||||||
SimpleDateFormat fmt = new SimpleDateFormat ("d MMM yyyy HH:mm:ss 'GMT'",
|
|
||||||
Locale.US);
|
|
||||||
fmt.setTimeZone(TimeZone.getTimeZone("GMT"));
|
|
||||||
return fmt.format(this);
|
|
||||||
}
|
|
||||||
|
|
||||||
public String toLocaleString ()
|
|
||||||
{
|
|
||||||
// This method is deprecated. We don't care if it is very slow.
|
|
||||||
DateFormat fmt = DateFormat.getDateTimeInstance();
|
|
||||||
fmt.setTimeZone(TimeZone.getDefault());
|
|
||||||
return fmt.format(this);
|
|
||||||
}
|
|
||||||
|
|
||||||
public static long UTC (int year, int month, int date,
|
|
||||||
int hours, int minutes, int seconds)
|
|
||||||
{
|
|
||||||
GregorianCalendar cal = new GregorianCalendar (TimeZone.getTimeZone("GMT"));
|
|
||||||
cal.set(year+1900, month, date, hours, minutes, seconds);
|
|
||||||
return cal.getTimeInMillis();
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Reads an Object from the stream.
|
* Reads an Object from the stream.
|
||||||
*/
|
*/
|
||||||
private void readObject (java.io.ObjectInputStream input)
|
private void readObject(java.io.ObjectInputStream input)
|
||||||
throws java.io.IOException, ClassNotFoundException
|
throws java.io.IOException, ClassNotFoundException
|
||||||
{
|
{
|
||||||
input.defaultReadObject ();
|
input.defaultReadObject();
|
||||||
millis = input.readLong ();
|
time = input.readLong();
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
|
@ -497,10 +764,10 @@ public class Date implements java.io.Serializable, Cloneable
|
||||||
* in milliseconds. This is the same value that is returned by the
|
* in milliseconds. This is the same value that is returned by the
|
||||||
* method getTime().
|
* method getTime().
|
||||||
*/
|
*/
|
||||||
private void writeObject (java.io.ObjectOutputStream output)
|
private void writeObject(java.io.ObjectOutputStream output)
|
||||||
throws java.io.IOException
|
throws java.io.IOException
|
||||||
{
|
{
|
||||||
output.defaultWriteObject ();
|
output.defaultWriteObject();
|
||||||
output.writeLong (millis);
|
output.writeLong(time);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue