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Showing content from https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/security/Guard.html below:

Guard (Java SE 21 & JDK 21)

All Known Implementing Classes:

AllPermission, AttachPermission, AudioPermission, AuthPermission, AWTPermission, BasicPermission, CardPermission, DelegationPermission, FilePermission, FlightRecorderPermission, InquireSecContextPermission, JDIPermission, LinkPermission, LoggingPermission, ManagementPermission, MBeanPermission, MBeanServerPermission, MBeanTrustPermission, NetPermission, NetworkPermission, Permission, PrivateCredentialPermission, PropertyPermission, ReflectPermission, RuntimePermission, SecurityPermission, SerializablePermission, ServicePermission, SocketPermission, SQLPermission, SSLPermission, SubjectDelegationPermission, UnresolvedPermission, URLPermission

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 to allow access to the object.

Since:

1.2

See Also:

• GuardedObject

• Method Summary

  void

  Determines whether to allow access to the guarded object object.

• Method Details
  • checkGuard

    Determines whether 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 - if access is denied.

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