package username.dates;

/**
 * An implementation of dates that stores dates with the month and
 * day of month as separate integer fields.
 *
 * @author Samuel A. Rebelsky
 * @version 1.0 of September 2005
 */
public class MonthDay
  implements SimpleDate
{
  // +--------+------------------------------------------------------------
  // | Fields |
  // +--------+

  /** The month. */
  int month;

  /** The day of the month. */
  int day;

  // +--------------+------------------------------------------------------
  // | Constructors |
  // +--------------+

  /**
   * Create the date "_month _day".
   */
  public MonthDay(int _month, int _day)
  {
    this.month = _month;
    this.day = _day;
  } // MonthDay(int,int)

  // +---------+-----------------------------------------------------------
  // | Methods |
  // +---------+

  /**
   * Determine this date's position in the year.  January 1 is the
   * 1st day of the year, December 31st is the 365th day of the year.
   */
  public int dayOfYear() 
  {
    int daysBefore = 0; // The number of days before the end of the month.
    for (int month = 0; month < this.month; month++) {
      daysBefore = daysBefore + DateHelper.daysInMonth(month);
    } // for
    return daysBefore + this.day;
  } // dayOfYear()

  /**
   * Determine the month.  Returns a value between 1 and 12.
   */
  public int month()
  {
    return this.month;
  } // month()

  /**
   * Determine the day within the month.
   */
  public int day() 
  {
    return this.day;
  } // day()

  /**
   * Convert to a string of the form MONTH DAY, such as January 10
   * or June 17.
   */
  public String toString()
  {
    return DateHelper.nameOfMonth(this.month) + " " + this.day;
  } // toString()

} // class MonthDay