Package com.sun.jna.platform

Class EnumUtils

java.lang.Object

com.sun.jna.platform.EnumUtils

public class EnumUtils
extends java.lang.Object

Several helper methods to convert integer flag (sets) into enum (sets)

Author:

Martin Steiger

Field Summary

Fields

Modifier and Type	Field	Description
static int	UNINITIALIZED	Uninitialized integer flag

Constructor Summary

Constructors

Constructor	Description
EnumUtils()

Method Summary

Modifier and Type	Method	Description
static <E extends java.lang.Enum<E>> E	fromInteger(int idx, java.lang.Class<E> clazz)
static <T extends FlagEnum> java.util.Set<T>	setFromInteger(int flags, java.lang.Class<T> clazz)
static <T extends FlagEnum> int	setToInteger(java.util.Set<T> set)
static <E extends java.lang.Enum<E>> int	toInteger(E val)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

UNINITIALIZED

public static final int UNINITIALIZED

Uninitialized integer flag

See Also:

Constant Field Values

Constructor Detail

EnumUtils

public EnumUtils()

Method Detail

toInteger

public static <E extends java.lang.Enum<E>> int toInteger(E val)

Parameters:

val - the enum

Returns:

the index of the enum in the enum list

fromInteger

public static <E extends java.lang.Enum<E>> E fromInteger(int idx,
                                                          java.lang.Class<E> clazz)

Parameters:

idx - the enum index

clazz - the enum class

Returns:

the enum at position idx

setFromInteger

public static <T extends FlagEnum> java.util.Set<T> setFromInteger(int flags,
                                                                   java.lang.Class<T> clazz)

Parameters:

flags - the ORed flags

clazz - the enum class

Returns:

the representing set

setToInteger

public static <T extends FlagEnum> int setToInteger(java.util.Set<T> set)

Parameters:

set - the set to convert

Returns:

the flags combined into an integer