Package com.sun.jini.discovery

Class DiscoveryConstraintTrustVerifier

java.lang.Object

com.sun.jini.discovery.DiscoveryConstraintTrustVerifier

All Implemented Interfaces:

TrustVerifier

public class DiscoveryConstraintTrustVerifier
extends Object
implements TrustVerifier

Trust verifier for instances of the constraint classes defined in the com.sun.jini.discovery package. This class is intended to be specified in a resource to configure the operation of Security.verifyObjectTrust.

Since:

2.0

Author:

Sun Microsystems, Inc.

Nested Class Summary

Nested classes/interfaces inherited from interface net.jini.security.TrustVerifier

TrustVerifier.Context

Constructor Summary

Constructors

Constructor	Description
DiscoveryConstraintTrustVerifier()	Creates an instance.

Method Summary

Modifier and Type	Method	Description
boolean	isTrustedObject(Object obj, TrustVerifier.Context ctx)	Returns true if the specified object is known to be trusted to correctly implement its contract; returns false otherwise.

Methods inherited from class java.lang.Object

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

Constructor Details

DiscoveryConstraintTrustVerifier

public DiscoveryConstraintTrustVerifier()

Creates an instance.

Method Details

isTrustedObject

public boolean isTrustedObject(Object obj,
 TrustVerifier.Context ctx)
                        throws RemoteException

Returns true if the specified object is known to be trusted to correctly implement its contract; returns false otherwise. Returns true if the object is an instance of any of the following classes, and returns false otherwise:

• DiscoveryProtocolVersion
• MulticastMaxPacketSize
• MulticastTimeToLive
• UnicastSocketTimeout

Specified by:

isTrustedObject in interface TrustVerifier

Parameters:

obj - the object in which to verify trust

ctx - the trust verifier context, to aid in verification of the specified object and its components

Returns:

true if the specified object is known to be trusted to correctly implement its contract; false otherwise

Throws:

NullPointerException - if any argument is null

RemoteException - if a communication-related exception occurs