Package htsjdk.utils

Class ValidationUtils

java.lang.Object
htsjdk.utils.ValidationUtils
public class ValidationUtils extends Object
Simple functions that streamline the checking of values.

  • Constructor Details

    • ValidationUtils

      public ValidationUtils()

  • Method Details

    • nonNull

      public static <T> T nonNull(T object)
      Checks that an Object object is not null and returns the same object or throws an IllegalArgumentException
      Parameters:
      object - any Object
      Returns:
      the same object
      Throws:
      IllegalArgumentException - if a o == null

    • nonNull

      public static <T> T nonNull(T object, String nameOfObject)
      Checks that an Object is not null and returns the same object or throws an IllegalArgumentException
      Parameters:
      object - any Object
      nameOfObject - the name of the object that is being checked for null. ( is used in the exception thrown when o == null.)
      Returns:
      the same object
      Throws:
      IllegalArgumentException - if a o == null

    • nonNull

      public static <T> T nonNull(T object, Supplier<String> message)
      Checks that an Object is not null and returns the same object or throws an IllegalArgumentException
      Parameters:
      object - any Object
      message - the text message that would be passed to the exception thrown when o == null.
      Returns:
      the same object
      Throws:
      IllegalArgumentException - if a o == null

    • nonEmpty

      public static <T extends Collection<?>> T nonEmpty(T collection, String nameOfObject)
      Checks that a Collection is not null and that it is not empty. If it's non-null and non-empty it returns the input, otherwise it throws an IllegalArgumentException
      Parameters:
      collection - any Collection
      nameOfObject - the name of the object that is being checked for non-emptiness. ( is used in the exception thrown when o.isEmpty().)
      Returns:
      the original collection
      Throws:
      IllegalArgumentException - if collection is null or empty

    • isNonEmpty

      public static boolean isNonEmpty(Collection<?> collection)
      Checks that a Collection is not null and that it is not empty. If it's non-null and non-empty it returns the true
      Parameters:
      collection - any Collection
      Returns:
      true if the collection exists and has elements

    • nonEmpty

      public static String nonEmpty(String string, String nameOfObject)
      Checks that a String is not null and that it is not empty. If it's non-null and non-empty it returns the input, otherwise it throws an IllegalArgumentException
      Parameters:
      string - any String
      nameOfObject - a message to include in the output
      Returns:
      the original string
      Throws:
      IllegalArgumentException - if string is null or empty

    • nonEmpty

      public static String nonEmpty(String string)
      Checks that a String is not null and that it is not empty. If it's non-null and non-empty it returns the input, otherwise it throws an IllegalArgumentException
      Parameters:
      string - any String
      Returns:
      the original string
      Throws:
      IllegalArgumentException - if string is null or empty

    • nonEmpty

      public static <I, T extends Collection<I>> T nonEmpty(T collection)
      Checks that a Collection is not null and that it is not empty. If it's non-null and non-empty it returns the input, otherwise it throws an IllegalArgumentException
      Parameters:
      collection - any Collection
      Returns:
      the original collection
      Throws:
      IllegalArgumentException - if collection is null or empty

    • validateArg

      public static void validateArg(boolean condition, String msg)

    • validateArg

      public static void validateArg(boolean condition, Supplier<String> msg)