/*
* Copyright (c) 1996, 2010, 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
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*/
package java.sql;
/**
* <P>A thin wrapper around a millisecond value that allows
* JDBC to identify this as an SQL <code>DATE</code> value. A
* milliseconds value represents the number of milliseconds that
* have passed since January 1, 1970 00:00:00.000 GMT.
* <p>
* To conform with the definition of SQL <code>DATE</code>, the
* millisecond values wrapped by a <code>java.sql.Date</code> instance
* must be 'normalized' by setting the
* hours, minutes, seconds, and milliseconds to zero in the particular
* time zone with which the instance is associated.
*/
public class Date extends java.util.Date {
/**
* Constructs a <code>Date</code> object initialized with the given
* year, month, and day.
* <P>
* The result is undefined if a given argument is out of bounds.
*
* @param year the year minus 1900; must be 0 to 8099. (Note that
* 8099 is 9999 minus 1900.)
* @param month 0 to 11
* @param day 1 to 31
* @deprecated instead use the constructor <code>Date(long date)</code>
*/
public Date(int year, int month, int day) {
super(year, month, day);
}
/**
* Constructs a <code>Date</code> object using the given milliseconds
* time value. If the given milliseconds value contains time
* information, the driver will set the time components to the
* time in the default time zone (the time zone of the Java virtual
* machine running the application) that corresponds to zero GMT.
*
* @param date milliseconds since January 1, 1970, 00:00:00 GMT not
* to exceed the milliseconds representation for the year 8099.
* A negative number indicates the number of milliseconds
* before January 1, 1970, 00:00:00 GMT.
*/
public Date(long date) {
// If the millisecond date value contains time info, mask it out.
super(date);
}
/**
* Sets an existing <code>Date</code> object
* using the given milliseconds time value.
* If the given milliseconds value contains time information,
* the driver will set the time components to the
* time in the default time zone (the time zone of the Java virtual
* machine running the application) that corresponds to zero GMT.
*
* @param date milliseconds since January 1, 1970, 00:00:00 GMT not
* to exceed the milliseconds representation for the year 8099.
* A negative number indicates the number of milliseconds
* before January 1, 1970, 00:00:00 GMT.
*/
public void setTime(long date) {
// If the millisecond date value contains time info, mask it out.
super.setTime(date);
}
/**
* Converts a string in JDBC date escape format to
* a <code>Date</code> value.
*
* @param s a <code>String</code> object representing a date in
* in the format "yyyy-[m]m-[d]d". The leading zero for <code>mm</code>
* and <code>dd</code> may also be omitted.
* @return a <code>java.sql.Date</code> object representing the
* given date
* @throws IllegalArgumentException if the date given is not in the
* JDBC date escape format (yyyy-[m]m-[d]d)
*/
public static Date valueOf(String s) {
final int YEAR_LENGTH = 4;
final int MONTH_LENGTH = 2;
final int DAY_LENGTH = 2;
final int MAX_MONTH = 12;
final int MAX_DAY = 31;
int firstDash;
int secondDash;
Date d = null;
if (s == null) {
throw new java.lang.IllegalArgumentException();
}
firstDash = s.indexOf('-');
secondDash = s.indexOf('-', firstDash + 1);
if ((firstDash > 0) && (secondDash > 0) && (secondDash < s.length() - 1)) {
String yyyy = s.substring(0, firstDash);
String mm = s.substring(firstDash + 1, secondDash);
String dd = s.substring(secondDash + 1);
if (yyyy.length() == YEAR_LENGTH &&
(mm.length() >= 1 && mm.length() <= MONTH_LENGTH) &&
(dd.length() >= 1 && dd.length() <= DAY_LENGTH)) {
int year = Integer.parseInt(yyyy);
int month = Integer.parseInt(mm);
int day = Integer.parseInt(dd);
if ((month >= 1 && month <= MAX_MONTH) && (day >= 1 && day <= MAX_DAY)) {
d = new Date(year - 1900, month - 1, day);
}
}
}
if (d == null) {
throw new java.lang.IllegalArgumentException();
}
return d;
}
/**
* Formats a date in the date escape format yyyy-mm-dd.
* <P>
* @return a String in yyyy-mm-dd format
*/
public String toString () {
int year = super.getYear() + 1900;
int month = super.getMonth() + 1;
int day = super.getDate();
char buf[] = "2000-00-00".toCharArray();
buf[0] = Character.forDigit(year/1000,10);
buf[1] = Character.forDigit((year/100)%10,10);
buf[2] = Character.forDigit((year/10)%10,10);
buf[3] = Character.forDigit(year%10,10);
buf[5] = Character.forDigit(month/10,10);
buf[6] = Character.forDigit(month%10,10);
buf[8] = Character.forDigit(day/10,10);
buf[9] = Character.forDigit(day%10,10);
return new String(buf);
}
// Override all the time operations inherited from java.util.Date;
/**
* This method is deprecated and should not be used because SQL Date
* values do not have a time component.
*
* @deprecated
* @exception java.lang.IllegalArgumentException if this method is invoked
* @see #setHours
*/
public int getHours() {
throw new java.lang.IllegalArgumentException();
}
/**
* This method is deprecated and should not be used because SQL Date
* values do not have a time component.
*
* @deprecated
* @exception java.lang.IllegalArgumentException if this method is invoked
* @see #setMinutes
*/
public int getMinutes() {
throw new java.lang.IllegalArgumentException();
}
/**
* This method is deprecated and should not be used because SQL Date
* values do not have a time component.
*
* @deprecated
* @exception java.lang.IllegalArgumentException if this method is invoked
* @see #setSeconds
*/
public int getSeconds() {
throw new java.lang.IllegalArgumentException();
}
/**
* This method is deprecated and should not be used because SQL Date
* values do not have a time component.
*
* @deprecated
* @exception java.lang.IllegalArgumentException if this method is invoked
* @see #getHours
*/
public void setHours(int i) {
throw new java.lang.IllegalArgumentException();
}
/**
* This method is deprecated and should not be used because SQL Date
* values do not have a time component.
*
* @deprecated
* @exception java.lang.IllegalArgumentException if this method is invoked
* @see #getMinutes
*/
public void setMinutes(int i) {
throw new java.lang.IllegalArgumentException();
}
/**
* This method is deprecated and should not be used because SQL Date
* values do not have a time component.
*
* @deprecated
* @exception java.lang.IllegalArgumentException if this method is invoked
* @see #getSeconds
*/
public void setSeconds(int i) {
throw new java.lang.IllegalArgumentException();
}
/**
* Private serial version unique ID to ensure serialization
* compatibility.
*/
static final long serialVersionUID = 1511598038487230103L;
}