Package org.wildfly.security.permission

Class NoPermission

java.lang.Object

java.security.Permission

org.wildfly.security.permission.AbstractPermission<NoPermission>

org.wildfly.security.permission.NoPermission

All Implemented Interfaces:

Serializable, Guard, PermissionVerifier

public final class NoPermission
extends AbstractPermission<NoPermission>

A permission which implies nothing, not even itself.

Author:

David M. Lloyd

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private static NoPermission	INSTANCE
private static long	serialVersionUID

Fields inherited from interface org.wildfly.security.permission.PermissionVerifier

ALL, NONE

Constructor Summary

Constructors

Constructor	Description
NoPermission()	Construct a new instance.
NoPermission(String ignored)	Construct a new instance.
NoPermission(String ignored1, String ignored2)	Construct a new instance.

Method Summary

Modifier and Type	Method	Description
boolean	equals(NoPermission other)	Always returns true if the argument is not null.
static NoPermission	getInstance()	Get the no-permission instance.
int	hashCode()	Get the constant hash code.
boolean	implies(NoPermission permission)	Always returns false.
AbstractPermissionCollection	newPermissionCollection()	Get an empty permission collection which is capable of holding instances of this permission type.

Methods inherited from class org.wildfly.security.permission.AbstractPermission

equals, getActions, implies, requireEmptyActions, writeReplace

Methods inherited from class java.security.Permission

checkGuard, getName, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.wildfly.security.permission.PermissionVerifier

and, checkPermission, not, or, toPermissionCollection, unless, xor

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

INSTANCE

private static final NoPermission INSTANCE

Constructor Detail

NoPermission

public NoPermission()

Construct a new instance.

NoPermission

public NoPermission(String ignored)

Construct a new instance. The name parameter is ignored.

Parameters:

ignored - ignored

NoPermission

public NoPermission(String ignored1,
                    String ignored2)

Construct a new instance. The name and actions parameters are ignored.

Parameters:

ignored1 - ignored

ignored2 - ignored

Method Detail

getInstance

public static NoPermission getInstance()

Get the no-permission instance.

Returns:

the no-permission instance (not null)

implies

public boolean implies(NoPermission permission)

Always returns false.

Specified by:

implies in class AbstractPermission<NoPermission>

Parameters:

permission - ignored

Returns:

false

equals

public boolean equals(NoPermission other)

Always returns true if the argument is not null.

Specified by:

equals in class AbstractPermission<NoPermission>

Parameters:

other - the permission to compare to

Returns:

true if other is not null; false otherwise

hashCode

public int hashCode()

Get the constant hash code.

Specified by:

hashCode in class AbstractPermission<NoPermission>

Returns:

the constant hash code

newPermissionCollection

public AbstractPermissionCollection newPermissionCollection()

Description copied from class: AbstractPermission

Get an empty permission collection which is capable of holding instances of this permission type.

The default implementation returns a SimplePermissionCollection.

Overrides:

newPermissionCollection in class AbstractPermission<NoPermission>

Returns:

the permission collection to use