Package weka.core

Class EnumHelper

java.lang.Object
weka.core.EnumHelper
public class EnumHelper extends Object
Helper/wrapper class for obtaining an arbitrary enum value from an arbitrary enum type. An enum value wrapped in this class can be serialized by Weka's XML serialization mechanism.
Version:
$Revision: $
Author:
Mark Hall (mhall{[at]}pentaho{[dot]}com)

  • Constructor Details

    • EnumHelper

      public EnumHelper(Enum e)
      Constructor
      Parameters:
      e - the enum value to wrap

    • EnumHelper

      public EnumHelper()
      No-op constructor (for beans conformity)

  • Method Details

    • setEnumClass

      public void setEnumClass(String enumClass)
      Set the fully qualified enum class name
      Parameters:
      enumClass - the fully qualified name of the enum class

    • getEnumClass

      public String getEnumClass()
      Get the fully qualified enum class name
      Returns:
      the fully qualified name of the enum class

    • setSelectedEnumValue

      public void setSelectedEnumValue(String selectedEnumValue)
      Set the selected/wrapped enum value (as obtained by calling toString() on the enum value)
      Parameters:
      selectedEnumValue - the enum value to wrap

    • getSelectedEnumValue

      public String getSelectedEnumValue()
      Get the selected/wrapped enum value (as obtained by calling toString() on the enum value)
      Returns:
      the enum value to wrap

    • valueFromString

      public static Object valueFromString(String enumClass, String enumValue) throws Exception
      Helper method to recover an enum value given the fully qualified name of the enum and the value in question as strings
      Parameters:
      enumClass - a string containing the fully qualified name of the enum class
      enumValue - a string containing the value of the enum to find
      Returns:
      the enum value as an Object
      Throws:
      Exception - if a problem occurs

    • valueFromString

      public static Object valueFromString(Class<?> enumClass, String enumValue) throws Exception
      Helper method to recover an enum value given the fully qualified name of the enum and the value in question as strings
      Parameters:
      enumClass - the class of the enum
      enumValue - a string containing the value of the enum to find
      Returns:
      the enum value as an Object
      Throws:
      Exception - if a problem occurs

    • main

      public static void main(String[] args)
      Main method for testing this class
      Parameters:
      args - arguments