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Java. security
Interface Guard
All Known Implementing Classes:
Permission
Public interface Guard
This interface represents a guard, which is an object that is used to protect access to another object. This interface indicates the guard, that is, the object used to protect access to other objects.
This interface contains a single method, checkGuard, with a single object argument. checkGuard is invoked (by the GuardedObject getObject method) to determine whether or not to allow access to the object. this interface only contains one checkGuard method and only one object parameter. The getObject method of GuardedObject calls checkGuard to determine whether to allow access to this object.
See Also:
GuardedObject
Method Summary
Void
CheckGuard (Object object)
Determines whether or not to allow access to the guarded object. Determine whether to allow access to the protected object.
Method Detail
CheckGuardpublic void checkGuard (Object object)
Throws SecurityException
Determines whether or not to allow access to the guarded object. Returns silently if access is allowed. Otherwise, throws a SecurityException. Determine whether to allow access to protected object. If the access is allowed, the system returns normally. Otherwise, a SecurityException is thrown.
Parameters:
Object-the object being protected by the guard. protected object.
Throws:
SecurityException-if access is denied. if the access is denied, it is thrown.
