compact1, compact2, compact3

java.nio.file

Class LinkPermission

java.lang.Object

java.security.Permission

java.security.BasicPermission

java.nio.file.LinkPermission

All Implemented Interfaces:

Serializable ， Guard

public final class LinkPermission
extends BasicPermission

Permission类链接创建操作。

下表提供了许可允许的简要说明，并讨论了授予代码许可的风险。

Permission Target Name What the Permission Allows Risks of Allowing this Permission hard Ability to add an existing file to a directory. This is sometimes known as creating a link, or hard link. Extreme care should be taken when granting this permission. It allows linking to any file or directory in the file system thus allowing the attacker access to all files. symbolic Ability to create symbolic links. Extreme care should be taken when granting this permission. It allows linking to any file or directory in the file system thus allowing the attacker to access to all files.

从以下版本开始：

1.7

另请参见：

Files.createLink(java.nio.file.Path, java.nio.file.Path) ， Files.createSymbolicLink(java.nio.file.Path, java.nio.file.Path, java.nio.file.attribute.FileAttribute<?>...) ， Serialized Form

构造方法摘要

构造方法

Constructor and Description
LinkPermission(String name) 构造一个 LinkPermission具有指定名称。
LinkPermission(String name, String actions) 构造一个 LinkPermission具有指定名称。

方法摘要

Methods inherited from class java.security.BasicPermission

equals, getActions, hashCode, implies, newPermissionCollection

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

构造方法详细信息

LinkPermission

public LinkPermission(String name)

构造一个 LinkPermission具有指定名称。

参数

name - name的名称。 它必须是“硬”或“象征性”的。

异常

IllegalArgumentException - 如果名称为空或无效

LinkPermission

public LinkPermission(String name,
                      String actions)

构造一个 LinkPermission具有指定名称。

参数

name - name的名称; 必须是“硬”或“象征性”的。

actions - actions的动作; 必须是空字符串或null

异常

IllegalArgumentException - if name is empty or invalid, or actions is a non-empty string