import java.text.SimpleDateFormat;
import java.util.Date;

public class DataValidation
{
	public boolean checkIfStringEmpty(String validDate)
	 {
		// Check if date is null
		if (validDate == null || validDate == "")
		{
		    return false;
		}
		else
		{
			return true;
		}
	 }
	 public boolean checkStringSize(String validDate)
	 {
			// Check if date is null
			if (validDate.length() >= 0 && validDate.length() <= 255)
			{
			    return true;
			}
			else
			{
				return false;
			}
	 }

	 public Date newDate(String validDate)
	 {
		 if(checkIfStringEmpty(validDate) && checkStringSize(validDate) == true)
		 {
				// Date Format
				SimpleDateFormat sdfrmt = new SimpleDateFormat("dd/MM/yyyy");
			    sdfrmt.setLenient(false);
			    // Create Date object and parses String into date


	            try
	            {
	                Date javaDate = sdfrmt.parse(validDate);
	            }
	            catch (Exception e)
	            {
	                return null;
	            }
	            return validDate;
	        }
	 }
}