code: private boolean _readDate()
  	{
  		int endIndex = pos + 10;
  		if( endIndex <= len )
  		{
  			_date = text.substring( pos, endIndex );
  			pos += 10;
  			return true;
  		}
  		pos = len;
  		return false;
  	}
docs: parse a date in the format yyyy-mm-dd
  
  @return boolean