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class MyDate {
int _day;
int _month;
int _year;
/**
* Constructs a date.
*
* @param day the day.
* @param month the month.
* @param year the year.
*/
public MyDate(int day, int month, int year) {
setDay(day);
setMonth(month);
setYear(year);
}
/**
* Determines if a given (day, month, year) represents a valid date.
*
* @param day the day.
* @param month the month.
* @param year the year.
* @return true if (day, month, year) represents a valid date, false else
*/
public static boolean isValidDate(int day, int month, int year) {
return checkData(day, month, year);
}
/**
* Determines if a given (day, month, year) represents a valid date.
*
* @param day the day.
* @param month the month.
* @param year the year.
* @return true if (day, month, year) represents a valid date, false else
*/
private static boolean checkData(int day, int month, int year) {
return checkDay(day) && checkMonth(month) && checkYear(year)
&& checkDayLimits(day, month, year);
}
/**
* Determines if this object represents a valid date.
*
* @return true if this object represents a valid date, false else
*/
public boolean checkData() {
return checkData(_day, _month, _year);
}
/**
* Get the last day given a month and a year.
*
* @param month the month.
* @param year the year.
* @return the last day of (month, year), (should be 28, 29, 30 or 31)
*/
public static int maxDayOfMonth(int month, int year) {
int result = 31;
if ( month == 2 )
result = ( year%4 == 0 ) ? 29 : 28;
if ( month == 4 || month == 6 || month == 9 || month == 11 )
result = 30;
return result;
}
public static int maxDayOfMonth(int month) {
return maxDayOfMonth(month, 2001);
}
/**
* Updates the day, month and year) attributes of this object
* to the next day (tomorrow).
*
* @return this (my)date
*/
public MyDate nextDay() {
// TODO
return this;
}
/**
* Allocates a <code>MyDate</code> object and initializes it to represent
* the day (tomorrow) which follows the provided day, month and year.
*
* @param day the day.
* @param month the month.
* @param year the year.
* @return a (my)date object initialized to next day of (day, month, year)
*/
public static MyDate nextDay(int day, int month, int year) {
MyDate date = new MyDate(day, month, year);
return date.nextDay();
}
private static boolean checkDayLimits(int day, int month, int year) {
if ( month == 2 )
return checkFebruaryDayLimits(day, year);
// TODO Auto-generated method stub
return true;
}
private static boolean checkFebruaryDayLimits(int day, int year) {
// TODO Auto-generated method stub
return true;
}
private static boolean checkDay(int day) {
return day >= 0 && day < 32;
}
private static boolean checkMonth(int month) {
return month > 0 && month < 13;
}
private static boolean checkYear(int year) {
return true;
}
public int getYear() {
return _year;
}
private void setYear(int _year) {
this._year = _year;
}
public int getDay() {
return _day;
}
private void setDay(int _jour) {
this._day = _jour;
}
public int getMonth() {
return _month;
}
private void setMonth(int _month) {
this._month = _month;
}
}
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