IT. Expert System.

All Implemented Interfaces:

Serializable, Guard

Direct Known Subclasses:

AllPermission, BasicPermission, FilePermission, PrivateCredentialPermission, SocketPermission, UnresolvedPermission

public abstract class Permission
extends Object
implements Guard, Serializable

See Also:

Serialized Form

• Constructor Summary

  Constructors

  Constructor and Description
  Permission(String name)

• Method Summary

  Methods

  Modifier and Type	Method and Description
  void	checkGuard(Object obj) Checks whether access to the specified Object should be granted.
  abstract String	getActions()
  String	getName()
  abstract boolean	implies(Permission permission)
  PermissionCollection	newPermissionCollection()

  • Methods inherited from class java.lang.Object

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

• Constructor Detail

  • Permission

    public Permission(String name)

• Method Detail

  • getName

    public final String getName()

  • checkGuard

    public void checkGuard(Object obj)
                    throws SecurityException

    Description copied from interface: Guard
    Checks whether access to the specified Object should be granted. This method returns silently if access is granted, otherwise a SecurityException is thrown.

    Specified by:

    checkGuard in interface Guard

    Parameters:

    obj - the object to be protected by this Guard.

    Throws:

    SecurityException - if access is not granted.

  • newPermissionCollection

    public PermissionCollection newPermissionCollection()

  • getActions

    public abstract String getActions()

  • implies

    public abstract boolean implies(Permission permission)