/*
* @(#)Date.java 1.33 04/05/18
*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
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>
*/
@Deprecated
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-mm-dd"
* @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-mm-dd)
*/
public static Date valueOf(String s) {
int year;
int month;
int day;
int firstDash;
int secondDash;
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)) {
year = Integer.parseInt(s.substring(0, firstDash)) - 1900;
month = Integer.parseInt(s.substring(firstDash+1, secondDash)) - 1;
day = Integer.parseInt(s.substring(secondDash+1));
} else {
throw new java.lang.IllegalArgumentException();
}
return new Date(year, month, day);
}
/**
* Formats a date in the date escape format yyyy-mm-dd.
* <P>
* NOTE: To specify a date format for the class
* <code>SimpleDateFormat</code>, use "yyyy.MM.dd" rather than
* "yyyy-mm-dd". In the context of <code>SimpleDateFormat</code>,
* "mm" indicates minutes rather than the month.
* For example:
* <PRE>
*
* Format Pattern Result
* -------------- -------
* "yyyy.MM.dd G 'at' hh:mm:ss z" ->> 1996.07.10 AD at 15:08:56 PDT
* </PRE>
* @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
*/
@Deprecated
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
*/
@Deprecated
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
*/
@Deprecated
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
*/
@Deprecated
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
*/
@Deprecated
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
*/
@Deprecated
public void setSeconds(int i) {
throw new java.lang.IllegalArgumentException();
}
/**
* Private serial version unique ID to ensure serialization
* compatibility.
*/
static final long serialVersionUID = 1511598038487230103L;
}
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