ml.alternet.security

Class EmptyPassword

java.lang.Object

ml.alternet.security.EmptyPassword

All Implemented Interfaces:

Destroyable, Password

public class EmptyPassword
extends Object
implements Password

The empty password (use it as a placeholder for a password when no password is supplied. NOTE : since a password can be wrapped in a delegate class, use the state() method to check whether a password is empty or not.

Author:

Philippe Poulard

See Also:

SINGLETON

Nested Class Summary

Nested classes/interfaces inherited from interface ml.alternet.security.Password

Password.Clear

Field Summary

Fields

Modifier and Type	Field and Description
static EmptyPassword	SINGLETON The singleton empty password

Method Summary

Modifier and Type	Method and Description
void	destroy() The empty password can't be invalidated : this method does nothing.
Password.Clear	getClearCopy() Wrap this password in a clear copy.
boolean	isDestroyed() Return false.
PasswordState	state() Return Empty
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface ml.alternet.security.Password

newPassword

Field Detail

SINGLETON

public static final EmptyPassword SINGLETON

The singleton empty password

Method Detail

destroy

public void destroy()

The empty password can't be invalidated : this method does nothing.

Specified by:

destroy in interface Destroyable

Specified by:

destroy in interface Password

isDestroyed

public boolean isDestroyed()

Return false.

Specified by:

isDestroyed in interface Destroyable

Specified by:

isDestroyed in interface Password

Returns:

false

state

public PasswordState state()

Return Empty

Specified by:

state in interface Password

Returns:

The empty state

getClearCopy

public Password.Clear getClearCopy()

Description copied from interface: Password

Wrap this password in a clear copy.

Specified by:

getClearCopy in interface Password

Returns:

A working copy of the password.

toString

public String toString()

Overrides:

toString in class Object