Package org.fryske_akademy

Class Util

java.lang.Object
org.fryske_akademy.Util
public class Util extends Object
Author:
eduard

  • Constructor Details

    • Util

      public Util()

  • Method Details

    • setEnumsFromString

      public static <T> T setEnumsFromString(String inputString, T objectWithEnums)
      parse a string containing enums the form "enum simple class"."enum name" separated by space, look for the right setter in the Object class and call the setter. Case is ignored.
      Parameters:
      inputString - space separated inputStrng, containing "enum simple class"."enum name"
      objectWithEnums -
      Throws:
      IllegalArgumentException - when no setter has been called for an enum string

    • hasSetterForEnumString

      public static boolean hasSetterForEnumString(String t, Object objectWithEnums)
      look for a setter ignoring case for a string in the form "enum simple class"."enum name", return true if it is found.
      Parameters:
      t -
      objectWithEnums -
      Returns:

    • setEnum

      public static <T> T setEnum(Enum e, T objectWithEnums)
      Look for a setter for the enum in the object, call it and return the object.
      Type Parameters:
      T -
      Parameters:
      e -
      objectWithEnums -
      Returns:
      Throws:
      IllegalArgumentException - when no setter has been called for the enum

    • getEnumWithValue

      public static Enum getEnumWithValue(Object objectWithEnums)
      look for a method returning an enum, call it, if the value isn't null return it.
      Parameters:
      objectWithEnums -
      Returns:

    • listEnums

      public static List<Enum> listEnums(Class clazz)
      look for all methods whose return type is an enum and add all constants to the result.
      Parameters:
      clazz -
      Returns:

    • findInClass

      public static Enum findInClass(Class clazz, String e)
      Look for methods with return type enum, whose simple class is the first part of the argument string, look for the enum constant whose name is the last part of the argument string. Case is ignored.
      Parameters:
      clazz -
      e - string in the form "enum simple class"."enum name"
      Returns:

    • toString

      public static String toString(Enum e)
      return "enum simple class"."enum name"
      Parameters:
      e -
      Returns:

    • toString

      public static String toString(List<Enum> l)
      return "[" + toString(java.lang.Enum) for each enum + "]"
      Parameters:
      l -
      Returns:

    • split

      public static String split(String toSplit, int index)
      Calls split(java.lang.String, int, boolean) with false.
      Parameters:
      toSplit -
      index -
      Returns:

    • split

      public static String split(String toSplit, int index, boolean ignorePatternAfterIndex)
      Call split(java.lang.String, java.lang.String, int, boolean) with ": ?" as regex.
      Parameters:
      toSplit -
      index -
      ignorePatternAfterIndex -
      Returns:

    • split

      public static String split(String toSplit, String regex, int index, boolean ignorePatternAfterIndex)
      split a string on regex and return the requested index, or null. Can be used to find an entity using a readable user representation of an entity such as "netherlands: franeker", or "netherlands: franeker: center".
      Parameters:
      toSplit -
      index -
      ignorePatternAfterIndex - when true, occurring patterns after index will be ignored, so the return value will be the rest of the input string.
      Returns:

    • deepestCause

      public static Throwable deepestCause(Throwable t)
      you can set log level to fine to see the original stacktrace in the log.
      Parameters:
      t -
      Returns:

    • isIndex

      public static boolean isIndex(String input, char c, int pos)
      Fast method to check if a char is at a certain position in a string.
      Parameters:
      input -
      c -
      pos -
      Returns:

    • getBean

      public static <T> T getBean(Class<T> clazz, String name)
      find a bean programmatically in CDI provider by name, can be used if you need one in an unmanaged situation. Prefer Instance.select(Class, Annotation...).
      Type Parameters:
      T -
      Parameters:
      clazz -
      name - the name of the bean to lookup
      Returns:

    • formatConstraintException

      public static List<String> formatConstraintException(jakarta.validation.ConstraintViolationException cve)

    • nullOrEmpty

      public static boolean nullOrEmpty(String s)

    • bothNullOrEmpty

      public static boolean bothNullOrEmpty(String s, String t)