程序包 javax.security.auth

接口 Destroyable

所有已知子接口:

DHPrivateKey, DSAPrivateKey, ECPrivateKey, PBEKey, PrivateKey, RSAMultiPrimePrivateCrtKey, RSAPrivateCrtKey, RSAPrivateKey, SecretKey

所有已知实现类:

KeyStore.PasswordProtection, SecretKeySpec

public interface Destroyable

Objects such as credentials may optionally implement this interface to provide the capability to destroy its contents.

另请参阅:

Subject

方法概要

限定符和类型	方法	说明
default void	destroy()	Destroy this Object.
default boolean	isDestroyed()	Determine if this Object has been destroyed.

方法详细资料

destroy

default void destroy()
              throws DestroyFailedException

Destroy this Object.

Sensitive information associated with this Object is destroyed or cleared. Subsequent calls to certain methods on this Object will result in an IllegalStateException being thrown.

The default implementation throws DestroyFailedException.

抛出:

DestroyFailedException - if the destroy operation fails.

SecurityException - if the caller does not have permission to destroy this Object.

isDestroyed

default boolean isDestroyed()

Determine if this Object has been destroyed.

The default implementation returns false.

返回:

true if this Object has been destroyed, false otherwise.