+++ /dev/null
-/* java.util.Date
- Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath 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 for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-02111-1307 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package java.util;
-
-/**
- * This class represents a specific time in milliseconds since the epoch.
- * The epoch is 1970, January 1 00:00:00.0000 UTC.
- *
- * Date is intended to reflect universal time coordinate (UTC), but doesn't
- * handle the leap seconds.
- *
- * Prior to jdk 1.1 this class was the sole Time class and had also
- * calendar functionality. But this can't be localized, so a new Calendar
- * class was created, that you should use instead. The functions which
- * get or return a year, month, day etc. are all deprecated and shouldn't be
- * used. Use Calendar instead.
- *
- * @see Calendar
- * @see GregorianCalendar
- * @see java.text.DateFormat
- * @author Jochen Hoenicke
- * @author Per Bothner <bothner@cygnus.com>
- */
-public class Date implements Cloneable, Comparable, java.io.Serializable
-{
- /**
- * This is the serialization UID for this class
- */
- private static final long serialVersionUID = 7523967970034938905L;
-
- /**
- * The time in milliseconds since the epoch.
- */
- private transient long time;
-
- /**
- * Creates a new Date Object representing the current time.
- */
- public Date()
- {
- time = System.currentTimeMillis();
- }
-
- /**
- * Creates a new Date Object representing the given time.
- * @param time the time in milliseconds since the epoch.
- */
- public Date(long time)
- {
- this.time = time;
- }
-
- /**
- * Creates a new Date Object representing the given time.
- * @deprecated use <code>new GregorianCalendar(year+1900, month,
- * day)</code> instead.
- */
- public Date(int year, int month, int day)
- {
- time = new GregorianCalendar(year + 1900, month, day).getTimeInMillis();
- }
-
- /**
- * Creates a new Date Object representing the given time.
- * @deprecated use <code>new GregorianCalendar(year+1900, month,
- * day, hour, min)</code> instead.
- */
- public Date(int year, int month, int day, int hour, int min)
- {
- time =
- new GregorianCalendar(year + 1900, month, day, hour,
- min).getTimeInMillis();
- }
-
- /*
- * Creates a new Date Object representing the given time.
- * @deprecated use <code>new GregorianCalendar(year+1900, month,
- * day)</code> instead.
- */
- public Date(int year, int month, int day, int hour, int min, int sec)
- {
- time =
- new GregorianCalendar(year + 1900, month, day, hour, min,
- sec).getTimeInMillis();
- }
-
- /**
- * Creates a new Date from the given string representation. This
- * does the same as <code>new Date(Date.parse(s))</code>
- * @see #parse
- * @deprecated use <code>java.text.DateFormat.parse(s)</code> instead.
- */
- public Date(String s)
- {
- time = parse(s);
- }
-
- public Object clone()
- {
- try
- {
- return super.clone();
- }
- catch (CloneNotSupportedException ex)
- {
- return null;
- }
- }
-
- /**
- * @deprecated Use Calendar with a UTC TimeZone instead.
- * @return the time in millis since the epoch.
- */
- public static long UTC(int year, int month, int date,
- int hrs, int min, int sec)
- {
- GregorianCalendar cal =
- new GregorianCalendar(year + 1900, month, date, hrs, min, sec);
- cal.set(Calendar.ZONE_OFFSET, 0);
- cal.set(Calendar.DST_OFFSET, 0);
- return cal.getTimeInMillis();
- }
-
- /**
- * Gets the time represented by this Object
- * @return the time in milliseconds since the epoch.
- */
- public long getTime()
- {
- return time;
- }
-
- /**
- * @deprecated use
- * Calendar.get(Calendar.ZONE_OFFSET)+Calendar.get(Calendar.DST_OFFSET)
- * instead.
- * @return The time zone offset in minutes of the local time zone
- * relative to UTC. The time represented by this object is used to
- * determine if we should use daylight savings.
- */
- public int getTimezoneOffset()
- {
- Calendar cal = Calendar.getInstance();
- cal.setTimeInMillis(time);
- return (cal.get(Calendar.ZONE_OFFSET)
- + cal.get(Calendar.DST_OFFSET)) / (60 * 1000);
- }
-
- /**
- * Sets the time which this Object should represented.
- * @param time the time in milliseconds since the epoch. */
- public void setTime(long time)
- {
- this.time = time;
- }
-
- /**
- * Tests if this date is after the specified date.
- * @param when the other date
- * @return true, if the date represented by this Object is
- * strictly later than the time represented by when.
- */
- public boolean after(Date when)
- {
- return time > when.time;
- }
-
- /**
- * Tests if this date is before the specified date.
- * @param when the other date
- * @return true, if the date represented by when is strictly later
- * than the time represented by this object.
- */
- public boolean before(Date when)
- {
- return time < when.time;
- }
-
- /**
- * Compares two dates for equality.
- * @param obj the object to compare.
- * @return true, if obj is a Date object and the date represented
- * by obj is exactly the same as the time represented by this
- * object.
- */
- public boolean equals(Object obj)
- {
- return (obj instanceof Date && time == ((Date) obj).time);
- }
-
- /**
- * Compares two dates.
- * @param when the other date.
- * @return 0, if the date represented
- * by obj is exactly the same as the time represented by this
- * object, a negative if this Date is before the other Date, and
- * a positive value otherwise.
- */
- public int compareTo(Date when)
- {
- return (time < when.time) ? -1 : (time == when.time) ? 0 : 1;
- }
-
- /**
- * Compares this Date to another. This behaves like
- * <code>compareTo(Date)</code>, but it may throw a
- * <code>ClassCastException</code>
- * @param obj the other date.
- * @return 0, if the date represented
- * by obj is exactly the same as the time represented by this
- * object, a negative if this Date is before the other Date, and
- * a positive value otherwise.
- * @exception ClassCastException if obj is not of type Date.
- */
- public int compareTo(Object obj)
- {
- return compareTo((Date) obj);
- }
-
- public int hashCode()
- {
- return (int) time ^ (int) (time >>> 32);
- }
-
- private static final String[] weekNames = { "Sun", "Mon", "Tue", "Wed",
- "Thu", "Fri", "Sat" };
-
- private static final String[] monthNames = { "Jan", "Feb", "Mar", "Apr",
- "May", "Jun", "Jul", "Aug",
- "Sep", "Oct", "Nov", "Dec" };
-
- public String toString()
- {
- Calendar cal = Calendar.getInstance();
- cal.setTimeInMillis(time);
- String day = "0" + cal.get(Calendar.DATE);
- String hour = "0" + cal.get(Calendar.HOUR_OF_DAY);
- String min = "0" + cal.get(Calendar.MINUTE);
- String sec = "0" + cal.get(Calendar.SECOND);
- String year = "000" + cal.get(Calendar.YEAR);
- return weekNames[cal.get(Calendar.DAY_OF_WEEK) - 1] + " "
- + monthNames[cal.get(Calendar.MONTH)] + " "
- + day.substring(day.length() - 2) + " "
- + hour.substring(hour.length() - 2) + ":"
- + min.substring(min.length() - 2) + ":"
- + sec.substring(sec.length() - 2) + " "
- +
- cal.getTimeZone().getDisplayName(cal.getTimeZone().inDaylightTime(this),
- TimeZone.SHORT) + " " +
- year.substring(year.length() - 4);
- }
-
- /** Format this object in a locale-specific way.
- * @deprecated Use DateFormat.format(Date)
- */
- public String toLocaleString()
- {
- return java.text.DateFormat.getInstance().format(this);
- }
-
- /** Format this object in a standard format in the GMT timezone.
- * @deprecated Use DateFormat.format(Date) with a GMT TimeZone.
- */
- public String toGMTString()
- {
- java.text.DateFormat format = java.text.DateFormat.getInstance();
- format.setTimeZone(TimeZone.getTimeZone("GMT"));
- return format.format(this);
- }
-
- private static int skipParens(String string, int offset)
- {
- int len = string.length();
- int p = 0;
- int i;
-
- for (i = offset; i < len; ++i)
- {
- if (string.charAt(i) == '(')
- ++p;
- else if (string.charAt(i) == ')')
- {
- --p;
- if (p == 0)
- return i + 1;
- // If we've encounted unbalanced parens, just return the
- // leftover one as an ordinary character. It will be
- // caught later in parsing and cause an
- // IllegalArgumentException.
- if (p < 0)
- return i;
- }
- }
-
- // Not sure what to do if `p != 0' here.
- return i;
- }
-
- private static int parseTz(String tok, char sign)
- throws IllegalArgumentException
- {
- int num;
-
- try
- {
- // parseInt doesn't handle '+' so strip off sign.
- num = Integer.parseInt(tok.substring(1));
- }
- catch (NumberFormatException ex)
- {
- throw new IllegalArgumentException(tok);
- }
-
- // Convert hours to minutes.
- if (num < 24)
- num *= 60;
- else
- num = (num / 100) * 60 + num % 100;
-
- return sign == '-' ? -num : num;
- }
-
- private static int parseMonth(String tok)
- {
- // Initialize strings for month names.
- // We could possibly use the fields of DateFormatSymbols but that is
- // localized and thus might not match the English words specified.
- String months[] = { "JANUARY", "FEBRUARY", "MARCH", "APRIL", "MAY",
- "JUNE", "JULY", "AUGUST", "SEPTEMBER", "OCTOBER",
- "NOVEMBER", "DECEMBER" };
-
- int i;
- for (i = 0; i < 12; i++)
- if (months[i].startsWith(tok))
- return i;
-
- // Return -1 if not found.
- return -1;
- }
-
- private static boolean parseDayOfWeek(String tok)
- {
- // Initialize strings for days of the week names.
- // We could possibly use the fields of DateFormatSymbols but that is
- // localized and thus might not match the English words specified.
- String daysOfWeek[] = { "SUNDAY", "MONDAY", "TUESDAY", "WEDNESDAY",
- "THURSDAY", "FRIDAY", "SATURDAY" };
-
- int i;
- for (i = 0; i < 7; i++)
- if (daysOfWeek[i].startsWith(tok))
- return true;
-
- return false;
- }
-
- /** Parse a String and return the time it represents.
- * @param s The String to parse.
- * @deprecated Use DateFormat.parse(String)
- */
- public static long parse(String string)
- {
- // Initialize date/time fields before parsing begins.
- int year = -1;
- int month = -1;
- int day = -1;
- int hour = -1;
- int minute = -1;
- int second = -1;
- int timezone = 0;
- boolean localTimezone = true;
-
- // Trim out any nested stuff in parentheses now to make parsing easier.
- StringBuffer buf = new StringBuffer();
- int off = 0;
- int openParenOffset, tmpMonth;
- while ((openParenOffset = string.indexOf('(', off)) >= 0)
- {
- // Copy part of string leading up to open paren.
- buf.append(string.substring(off, openParenOffset));
- off = skipParens(string, openParenOffset);
- }
- buf.append(string.substring(off));
-
- // Make all chars upper case to simplify comparisons later.
- // Also ignore commas; treat them as delimiters.
- StringTokenizer strtok =
- new StringTokenizer(buf.toString().toUpperCase(), " \t\n\r,");
-
- while (strtok.hasMoreTokens())
- {
- String tok = strtok.nextToken();
- char firstch = tok.charAt(0);
- if ((firstch == '+' || firstch == '-') && year >= 0)
- {
- timezone = parseTz(tok, firstch);
- localTimezone = false;
- }
- else if (firstch >= '0' && firstch <= '9')
- {
- while (tok != null && tok.length() > 0)
- {
- // A colon or slash may be valid in the number.
- // Find the first of these before calling parseInt.
- int colon = tok.indexOf(':');
- int slash = tok.indexOf('/');
- int hyphen = tok.indexOf('-');
- // We choose tok.length initially because it makes
- // processing simpler.
- int punctOffset = tok.length();
- if (colon >= 0)
- punctOffset = Math.min(punctOffset, colon);
- if (slash >= 0)
- punctOffset = Math.min(punctOffset, slash);
- if (hyphen >= 0)
- punctOffset = Math.min(punctOffset, hyphen);
- // Following code relies on -1 being the exceptional
- // case.
- if (punctOffset == tok.length())
- punctOffset = -1;
-
- int num;
- try
- {
- num = Integer.parseInt(punctOffset < 0 ? tok :
- tok.substring(0, punctOffset));
- }
- catch (NumberFormatException ex)
- {
- throw new IllegalArgumentException(tok);
- }
-
- // TBD: Spec says year can be followed by a slash. That might
- // make sense if using YY/MM/DD formats, but it would fail in
- // that format for years <= 70. Also, what about 1900? That
- // is interpreted as the year 3800; seems that the comparison
- // should be num >= 1900 rather than just > 1900.
- // What about a year of 62 - 70? (61 or less could be a (leap)
- // second). 70/MM/DD cause an exception but 71/MM/DD is ok
- // even though there's no ambiguity in either case.
- // For the parse method, the spec as written seems too loose.
- // Until shown otherwise, we'll follow the spec as written.
- if (num > 70 && (punctOffset < 0 || punctOffset == slash))
- year = num > 1900 ? num - 1900 : num;
- else if (punctOffset > 0 && punctOffset == colon)
- {
- if (hour < 0)
- hour = num;
- else
- minute = num;
- }
- else if (punctOffset > 0 && punctOffset == slash)
- {
- if (month < 0)
- month = num - 1;
- else
- day = num;
- }
- else if (hour >= 0 && minute < 0)
- minute = num;
- else if (minute >= 0 && second < 0)
- second = num;
- else if (day < 0)
- day = num;
- else
- throw new IllegalArgumentException(tok);
-
- // Advance string if there's more to process in this token.
- if (punctOffset < 0 || punctOffset + 1 >= tok.length())
- tok = null;
- else
- tok = tok.substring(punctOffset + 1);
- }
- }
- else if (firstch >= 'A' && firstch <= 'Z')
- {
- if (tok.equals("AM"))
- {
- if (hour < 1 || hour > 12)
- throw new IllegalArgumentException(tok);
- if (hour == 12)
- hour = 0;
- }
- else if (tok.equals("PM"))
- {
- if (hour < 1 || hour > 12)
- throw new IllegalArgumentException(tok);
- if (hour < 12)
- hour += 12;
- }
- else if (parseDayOfWeek(tok))
- ; // Ignore it; throw the token away.
- else if (tok.equals("UT") || tok.equals("UTC") || tok.equals("GMT"))
- localTimezone = false;
- else if (tok.startsWith("UT") || tok.startsWith("GMT"))
- {
- int signOffset = 3;
- if (tok.charAt(1) == 'T' && tok.charAt(2) != 'C')
- signOffset = 2;
-
- char sign = tok.charAt(signOffset);
- if (sign != '+' && sign != '-')
- throw new IllegalArgumentException(tok);
-
- timezone = parseTz(tok.substring(signOffset), sign);
- localTimezone = false;
- }
- else if ((tmpMonth = parseMonth(tok)) >= 0)
- month = tmpMonth;
- else if (tok.length() == 3 && tok.charAt(2) == 'T')
- {
- // Convert timezone offset from hours to minutes.
- char ch = tok.charAt(0);
- if (ch == 'E')
- timezone = -5 * 60;
- else if (ch == 'C')
- timezone = -6 * 60;
- else if (ch == 'M')
- timezone = -7 * 60;
- else if (ch == 'P')
- timezone = -8 * 60;
- else
- throw new IllegalArgumentException(tok);
-
- // Shift 60 minutes for Daylight Savings Time.
- if (tok.charAt(1) == 'D')
- timezone += 60;
- else if (tok.charAt(1) != 'S')
- throw new IllegalArgumentException(tok);
-
- localTimezone = false;
- }
- else
- throw new IllegalArgumentException(tok);
- }
- else
- throw new IllegalArgumentException(tok);
- }
-
- // Unspecified minutes and seconds should default to 0.
- if (minute < 0)
- minute = 0;
- if (second < 0)
- second = 0;
-
- // Throw exception if any other fields have not been recognized and set.
- if (year < 0 || month < 0 || day < 0 || hour < 0)
- throw new IllegalArgumentException("Missing field");
-
- // Return the time in either local time or relative to GMT as parsed.
- // If no time-zone was specified, get the local one (in minutes) and
- // convert to milliseconds before adding to the UTC.
- return UTC(year, month, day, hour, minute, second) + (localTimezone ?
- new Date(year, month, day).getTimezoneOffset() * 60 * 1000:
- -timezone * 60 * 1000);
- }
-
- /**
- * @return the year minus 1900 represented by this date object.
- * @deprecated Use Calendar instead of Date, and use get(Calendar.YEAR)
- * instead. Note about the 1900 difference in year.
- */
- public int getYear()
- {
- Calendar cal = Calendar.getInstance();
- cal.setTimeInMillis(time);
- return cal.get(Calendar.YEAR) - 1900;
- }
-
- /**
- * Sets the year to year minus 1900, not changing the other fields.
- * @param year the year minus 1900.
- * @deprecated Use Calendar instead of Date, and use
- * set(Calendar.YEAR, year) instead. Note about the 1900
- * difference in year.
- */
- public void setYear(int year)
- {
- Calendar cal = Calendar.getInstance();
- cal.setTimeInMillis(time);
- cal.set(Calendar.YEAR, 1900 + year);
- time = cal.getTimeInMillis();
- }
-
- /**
- * @return the month represented by this date object (zero based).
- * @deprecated Use Calendar instead of Date, and use get(Calendar.MONTH)
- * instead.
- */
- public int getMonth()
- {
- Calendar cal = Calendar.getInstance();
- cal.setTimeInMillis(time);
- return cal.get(Calendar.MONTH);
- }
-
- /**
- * Sets the month to the given value, not changing the other fields.
- * @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 = Calendar.getInstance();
- cal.setTimeInMillis(time);
- cal.set(Calendar.MONTH, month);
- time = cal.getTimeInMillis();
- }
-
- /**
- * @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()
- {
- Calendar cal = Calendar.getInstance();
- cal.setTimeInMillis(time);
- return cal.get(Calendar.DATE);
- }
-
- /**
- * 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)
- {
- Calendar cal = Calendar.getInstance();
- cal.setTimeInMillis(time);
- cal.set(Calendar.DATE, date);
- time = cal.getTimeInMillis();
- }
-
- /**
- * @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()
- {
- Calendar cal = Calendar.getInstance();
- cal.setTimeInMillis(time);
- // For Calendar, Sunday is 1. For Date, Sunday is 0.
- return cal.get(Calendar.DAY_OF_WEEK) - 1;
- }
-
- /**
- * @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()
- {
- Calendar cal = Calendar.getInstance();
- cal.setTimeInMillis(time);
- return cal.get(Calendar.HOUR_OF_DAY);
- }
-
- /**
- * 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)
- {
- Calendar cal = Calendar.getInstance();
- cal.setTimeInMillis(time);
- cal.set(Calendar.HOUR_OF_DAY, hours);
- time = cal.getTimeInMillis();
- }
-
- /**
- * @return the minutes represented by this date object.
- * @deprecated Use Calendar instead of Date, and use get(Calendar.MINUTE)
- * instead.
- */
- public int getMinutes()
- {
- Calendar cal = Calendar.getInstance();
- cal.setTimeInMillis(time);
- return cal.get(Calendar.MINUTE);
- }
-
- /**
- * 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)
- {
- Calendar cal = Calendar.getInstance();
- cal.setTimeInMillis(time);
- cal.set(Calendar.MINUTE, minutes);
- time = cal.getTimeInMillis();
- }
-
- /**
- * @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 = Calendar.getInstance();
- cal.setTimeInMillis(time);
- return cal.get(Calendar.SECOND);
- }
-
- /**
- * 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)
- {
- Calendar cal = Calendar.getInstance();
- cal.setTimeInMillis(time);
- cal.set(Calendar.SECOND, seconds);
- time = cal.getTimeInMillis();
- }
-
- /**
- * Reads an Object from the stream.
- */
- private void readObject(java.io.ObjectInputStream input)
- throws java.io.IOException, ClassNotFoundException
- {
- input.defaultReadObject();
- time = input.readLong();
- }
-
- /**
- * Writes an Object to the stream.
- * @serialdata A long value representing the offset from the epoch
- * in milliseconds. This is the same value that is returned by the
- * method getTime().
- */
- private void writeObject(java.io.ObjectOutputStream output)
- throws java.io.IOException
- {
- output.defaultWriteObject();
- output.writeLong(time);
- }
-}
projects / msp430-gcc.git / blobdiff