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- java.lang.Object
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- java.security.Permission
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- java.security.BasicPermission
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- java.nio.file.LinkPermission
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- All Implemented Interfaces:
- Serializable, Guard
public final class LinkPermission extends BasicPermission
ThePermissionclass for link creation operations.The following table provides a summary description of what the permission allows, and discusses the risks of granting code the permission.
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.
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Constructor Summary
Constructors Constructor and Description LinkPermission(String name)Constructs aLinkPermissionwith the specified name.LinkPermission(String name, String actions)Constructs aLinkPermissionwith the specified name.
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Method Summary
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Methods inherited from class java.security.BasicPermission
equals, getActions, hashCode, implies, newPermissionCollection
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Methods inherited from class java.security.Permission
checkGuard, getName, toString
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Constructor Detail
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LinkPermission
public LinkPermission(String name)
Constructs aLinkPermissionwith the specified name.- Parameters:
name- the name of the permission. It must be "hard" or "symbolic".- Throws:
IllegalArgumentException- if name is empty or invalid
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LinkPermission
public LinkPermission(String name, String actions)
Constructs aLinkPermissionwith the specified name.- Parameters:
name- the name of the permission; must be "hard" or "symbolic".actions- the actions for the permission; must be the empty string ornull- Throws:
IllegalArgumentException- if name is empty or invalid, or actions is a non-empty string
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