Example #1
0
        /// <summary>
        /// Method called by the EvaluationEngine when the evaluation is executed without a policy document, this
        /// method search in the policy repository and return the first policy that matches its target with the
        /// context document specified.
        /// </summary>
        /// <param name="context">The evaluation context instance.</param>
        /// <returns>The policy document ready to be used by the evaluation engine.</returns>
        public PolicyDocument Match(EvaluationContext context)
        {
            if (context == null)
            {
                throw new ArgumentNullException("context");
            }
            PolicyDocument polEv = null;

            //Search if there is a policySet which target matches the context document
            foreach (PolicyDocument policy in _policySets.Values)
            {
                var tempPolicy = new PolicySet(context.Engine, (PolicySetElement)policy.PolicySet);

                var tempContext = new EvaluationContext(context.Engine, policy, context.ContextDocument);

                // Match the policy set target with the context document
                if (tempPolicy.Match(tempContext) == TargetEvaluationValue.Match)
                {
                    if (polEv == null)
                    {
                        polEv = policy;
                    }
                    else
                    {
                        throw new EvaluationException(Properties.Resource.exc_duplicated_policy_in_repository);
                    }
                }
            }

            //Search if there is a policy which target matches the context document
            foreach (PolicyDocument policy in _policies.Values)
            {
                var tempPolicy = new Policy((PolicyElement)policy.Policy);

                var tempContext = new EvaluationContext(context.Engine, policy, context.ContextDocument);

                // Match the policy target with the context document
                if (tempPolicy.Match(tempContext) == TargetEvaluationValue.Match)
                {
                    if (polEv == null)
                    {
                        polEv = policy;
                    }
                    else
                    {
                        throw new EvaluationException(Properties.Resource.exc_duplicated_policy_in_repository);
                    }
                }
            }
            return(polEv);
        }
        /// <summary>
        /// Method called by the EvaluationEngine when the evaluation is executed without a policy document, this 
        /// method search in the policy repository and return the first policy that matches its target with the
        /// context document specified.
        /// </summary>
        /// <param name="context">The evaluation context instance.</param>
        /// <returns>The policy document ready to be used by the evaluation engine.</returns>
        public PolicyDocument Match(EvaluationContext context)
        {
            if (context == null) throw new ArgumentNullException("context");
            PolicyDocument polEv = null;

            //Search if there is a policySet which target matches the context document
            foreach (PolicyDocument policy in _policySets.Values)
            {
                var tempPolicy = new PolicySet(context.Engine, (PolicySetElement)policy.PolicySet);

                var tempContext = new EvaluationContext(context.Engine, policy, context.ContextDocument);

                // Match the policy set target with the context document
                if (tempPolicy.Match(tempContext) == TargetEvaluationValue.Match)
                {
                    if (polEv == null)
                    {
                        polEv = policy;
                    }
                    else
                    {
                        throw new EvaluationException(Properties.Resource.exc_duplicated_policy_in_repository);
                    }
                }
            }

            //Search if there is a policy which target matches the context document
            foreach (PolicyDocument policy in _policies.Values)
            {
                var tempPolicy = new Policy((PolicyElement)policy.Policy);

                var tempContext = new EvaluationContext(context.Engine, policy, context.ContextDocument);

                // Match the policy target with the context document
                if (tempPolicy.Match(tempContext) == TargetEvaluationValue.Match)
                {
                    if (polEv == null)
                    {
                        polEv = policy;
                    }
                    else
                    {
                        throw new EvaluationException(Properties.Resource.exc_duplicated_policy_in_repository);
                    }
                }
            }
            return polEv;
        }