Package no.ntnu.idatt1002.demo.util

Class VerifyInput

java.lang.Object
no.ntnu.idatt1002.demo.util.VerifyInput
public class VerifyInput extends Object
Class for verifying input in the data package. Includes checks for common things like checking if an input is empty.

  • Constructor Details

    • VerifyInput

      private VerifyInput()

  • Method Details

    • verifyNotEmpty

      public static void verifyNotEmpty(String input, String parameter) throws IllegalArgumentException
      Checks if a string is null or empty.
      Parameters:
      input - the string to be checked
      parameter - the name of the parameter
      Throws:
      IllegalArgumentException - if the input is null or blank

    • verifyNotNull

      public static void verifyNotNull(Object input, String parameter)
      Checks if an object is null.
      Parameters:
      input - the object to be checked
      parameter - the name of the parameter
      Throws:
      IllegalArgumentException - if the object is null

    • verifyPositiveNumberMinusOneAccepted

      public static void verifyPositiveNumberMinusOneAccepted(int input, String parameter)
      Checks if an int is a positive number or minus one.
      Parameters:
      input - the int to be checked
      parameter - the name of the parameter
      Throws:
      IllegalArgumentException - if the int is not a positive number or minus one

    • verifyPositiveNumberMinusOneNotAccepted

      public static void verifyPositiveNumberMinusOneNotAccepted(int input, String parameter)
      Checks if an int is a positive number.
      Parameters:
      input - the int to be checked
      parameter - the name of the parameter
      Throws:
      IllegalArgumentException - if the int is not a positive number

    • verifyPositiveNumberZeroNotAccepted

      public static void verifyPositiveNumberZeroNotAccepted(int input, String parameter)
      Checks if an int is a positive number equal to or greater than 1.
      Parameters:
      input - the int to be checked
      parameter - the name of the parameter

    • verifyDateLength

      public static void verifyDateLength(int input, String parameter)
      Checks if an int(date) has the correct length of six figures.
      Parameters:
      input - the int(date) to be checked
      parameter - the name of the parameter
      Throws:
      IllegalArgumentException - if the int(date) does not have six figures

    • extractYear

      private static int extractYear(int input)
      Extracts the year from an int(date).
      Parameters:
      input - the int(date) to extract the year from
      Returns:
      the year

    • extractMonth

      private static int extractMonth(int input)
      Extracts the month from an int(date).
      Parameters:
      input - the int(date) to extract the month from
      Returns:
      the month

    • extractDay

      private static int extractDay(int input)
      Extracts the day from an int(date).
      Parameters:
      input - the int(date) to extract the day from
      Returns:
      the day

    • isLeapYear

      private static boolean isLeapYear(int year)
      Checks if a year is a leap year.
      Parameters:
      year - the year to be checked
      Returns:
      true if the year is a leap year, false if not

    • verifyDateMonth

      public static void verifyDateMonth(int input, String parameter)
      Checks if the month in an int(date) is between 01 and 12.
      Parameters:
      input - the int(date) to be checked
      parameter - the name of the parameter
      Throws:
      IllegalArgumentException - if the month is not between 01 and 12

    • verifyDateDay

      public static void verifyDateDay(int input, String parameter)
      Checks if the day in an int(date) is between 01 and 31.
      Parameters:
      input - the int(date) to be checked
      parameter - the name of the parameter
      Throws:
      IllegalArgumentException - if the day is not between 01 and 31

    • verifyDayForFebruary

      private static void verifyDayForFebruary(int day, int year, String parameter) throws IllegalArgumentException
      Checks if the day in an int(date) is between 01 and 29 or 01 and 28 depending on if it is a leap year.
      Parameters:
      day - the day to be checked
      year - the year to be checked
      parameter - the name of the parameter
      Throws:
      IllegalArgumentException - if the day is not between 01 and 29 or 01 and 28 depending on if it is a leap year

    • verifyDateZeroAndMinusOneAccepted

      public static void verifyDateZeroAndMinusOneAccepted(int input, String parameter) throws IllegalArgumentException
      Checks if an int(date) has the correct length of eight figures or is zero or minus one.
      Parameters:
      input - the int(date) to be checked
      parameter - the name of the parameter
      Throws:
      IllegalArgumentException - if the int(date) does not have eight figures or is zero or minus one