/**
 * ---------------------------------------------------------------------------
 * File name: DateValidator.java
 * Project name: Project 2
 * ---------------------------------------------------------------------------
 * Creator's name and email: Drew Parsons zldp3@goldmail.etsu.edu
 * Course-Section:  CSCI1260-201
 * Creation Date: Feb 14, 2011
 * ---------------------------------------------------------------------------
 */

/**
 * Responsibilities:<br>
 * Enter type responsibilities here<br>
 *
 * <hr>
 * Date created: Feb 14, 2011<br>
 * <hr>
 * @author Drew Parsons
 */

public class DateValidator
{
   private static int daysInMonth = 0;     //holds the amount of days in the month
   private final static int CURRENT_YEAR = 2011;     //this year
   private final static int BOTTOM_YEAR = 1800;     //holds an old year for data checking

   public boolean calcDate(int month, int day, int year)
   {

      switch (month)
      {
         case 1:
         case 3:
         case 5:
         case 7:
         case 8:
         case 10:
         case 12:
            daysInMonth = 31;
             break;
         case 4:
         case 6:
         case 9:
         case 11:
            daysInMonth = 30;
             break;
         case 2:
             if ( ((year % 4 == 0) && !(year % 100 == 0))
                  || (year % 400 == 0) )
                daysInMonth = 29;
             else
                daysInMonth = 28;
             break;
         default:
             return false;

      }

     if(day > 0 && day <= daysInMonth && year <= CURRENT_YEAR && year > BOTTOM_YEAR)
     {
        return true;
     }
     else
     {
        return false;
     }
   }


  /* public String toString()
   {
      return days1 + "/" + month1 + "/" + year1;
   }**/

   }//end DateValidator