java.security.Guard Maven / Gradle / Ivy
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*/
package java.security;
/**
*
This interface represents a guard, which is an object that is used
* to protect access to another object.
*
*
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.
*
* @see GuardedObject
*
* @version 1.9 00/02/02
* @author Roland Schemers
* @author Li Gong
*/
public interface Guard
{
/**
* Determines whether or not to allow access to the guarded object
* object. Returns silently if access is allowed.
* Otherwise, throws a SecurityException.
*
* @param object the object being protected by the guard.
*
* @exception SecurityException if access is denied.
*
*/
public void checkGuard(Object object) throws SecurityException;
}