A thin wrapper around a millisecond value that allows
* JDBC to identify this as an SQL DATE value. A
* milliseconds value represents the number of milliseconds that
* have passed since January 1, 1970 00:00:00.000 GMT.
*
* To conform with the definition of SQL DATE, the
* millisecond values wrapped by a java.sql.Date 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 Date object initialized with the given
* year, month, and day.
*
* 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 Date(long date)
*/
public Date(int year, int month, int day) {
super(year, month, day);
}
/**
* Constructs a Date 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 Date 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 Date value.
*
* @param s a String object representing a date in
* in the format "yyyy-mm-dd"
* @return a java.sql.Date 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.
*
* @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; }