Package com.sun.jna.platform

Class EnumUtils

java.lang.Object

com.sun.jna.platform.EnumUtils

public class EnumUtils
extends Object

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

Author:

Martin Steiger

Field Summary

Fields

Modifier and Type	Field	Description
static final int	UNINITIALIZED	Uninitialized integer flag

Constructor Summary

Constructors

Constructor	Description
EnumUtils()

Method Summary

Modifier and Type	Method	Description
static <E extends Enum<E>> E	fromInteger(int idx, Class<E> clazz)
static <T extends FlagEnum> Set<T>	setFromInteger(int flags, Class<T> clazz)
static <T extends FlagEnum> int	setToInteger(Set<T> set)
static <E extends 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 Details

UNINITIALIZED

public static final int UNINITIALIZED

Uninitialized integer flag

See Also:

• Constant Field Values

Constructor Details

EnumUtils

public EnumUtils()

Method Details

toInteger

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

Parameters:

idx - the enum index

clazz - the enum class

Returns:

the enum at position idx

setFromInteger

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

Parameters:

flags - the ORed flags

clazz - the enum class

Returns:

the representing set

setToInteger

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

Parameters:

set - the set to convert

Returns:

the flags combined into an integer