Guard (Java Platform SE 8 ) (original) (raw)

• All Known Implementing Classes:
  AllPermission, AudioPermission, AuthPermission, AWTPermission, BasicPermission, DelegationPermission, FilePermission, JAXBPermission, LinkPermission, LoggingPermission, ManagementPermission, MBeanPermission, MBeanServerPermission, MBeanTrustPermission, NetPermission, Permission, PrivateCredentialPermission, PropertyPermission, ReflectPermission, RuntimePermission, SecurityPermission, SerializablePermission, ServicePermission, SocketPermission, SQLPermission, SSLPermission, SubjectDelegationPermission, UnresolvedPermission, URLPermission, WebServicePermission

public interface Guard
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 Also:
GuardedObject

• • Method Summary

  All Methods Instance Methods Abstract Methods

  Modifier and Type	Method	Description
  void	checkGuard(Object object)	Determines whether or not to allow access to the guarded objectobject.

• • Method Detail

     * #### checkGuard  
     void checkGuard([Object](../../java/lang/Object.html "class in java.lang") object)  
              throws [SecurityException](../../java/lang/SecurityException.html "class in java.lang")  
     Determines whether or not to allow access to the guarded object`object`. Returns silently if access is allowed. Otherwise, throws a SecurityException.  
     Parameters:  
     `object` \- the object being protected by the guard.  
     Throws:  
     `[SecurityException](../../java/lang/SecurityException.html "class in java.lang")` \- if access is denied.

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