org.fcrepo.server.security.xacml.pdp.finder.policy

Class GenericPolicyFinderModule

java.lang.Object

com.sun.xacml.finder.PolicyFinderModule

org.fcrepo.server.security.xacml.pdp.finder.policy.GenericPolicyFinderModule

public class GenericPolicyFinderModule
extends com.sun.xacml.finder.PolicyFinderModule

This is the PolicyFinderModule for the PDP. Its purpose is to basically find policies. It interacts with a PolicyManager in order to obtain a policy or policy set.

Author:

nishen@melcoe.mq.edu.au

Constructor Summary

Constructors

Constructor and Description
GenericPolicyFinderModule(PolicyIndex policyIndex, com.sun.xacml.combine.PolicyCombiningAlgorithm combiningAlg)

Method Summary

Methods

Modifier and Type	Method and Description
com.sun.xacml.finder.PolicyFinderResult	findPolicy(com.sun.xacml.EvaluationCtx context) Finds a policy based on a request's context.
void	init() Initialize this module.
void	init(com.sun.xacml.finder.PolicyFinder policyFinder)
boolean	isRequestSupported() Always returns true since this module does support finding policies based on context.

Methods inherited from class com.sun.xacml.finder.PolicyFinderModule

findPolicy, getIdentifier, invalidateCache, isIdReferenceSupported

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericPolicyFinderModule

public GenericPolicyFinderModule(PolicyIndex policyIndex,
                         com.sun.xacml.combine.PolicyCombiningAlgorithm combiningAlg)
                          throws PolicyIndexException,
                                 URISyntaxException

Throws:

PolicyIndexException

URISyntaxException

Method Detail

isRequestSupported

public boolean isRequestSupported()

Always returns true since this module does support finding policies based on context.

Overrides:

isRequestSupported in class com.sun.xacml.finder.PolicyFinderModule

Returns:

true

init

public void init()
          throws MelcoePDPException

Initialize this module. Typically this is called by PolicyFinder when a PDP is created.

Throws:

MelcoePDPException

findPolicy

public com.sun.xacml.finder.PolicyFinderResult findPolicy(com.sun.xacml.EvaluationCtx context)

Finds a policy based on a request's context. If more than one policy matches, then this either returns an error or a new policy wrapping the multiple policies (depending on which constructor was used to construct this instance).

Overrides:

findPolicy in class com.sun.xacml.finder.PolicyFinderModule

Parameters:

context - the representation of the request data

Returns:

the result of trying to find an applicable policy

init

public void init(com.sun.xacml.finder.PolicyFinder policyFinder)

Specified by:

init in class com.sun.xacml.finder.PolicyFinderModule