| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| |
| /* |
| * AT&T - PROPRIETARY |
| * THIS FILE CONTAINS PROPRIETARY INFORMATION OF |
| * AT&T AND IS NOT TO BE DISCLOSED OR USED EXCEPT IN |
| * ACCORDANCE WITH APPLICABLE AGREEMENTS. |
| * |
| * Copyright (c) 2013 AT&T Knowledge Ventures |
| * Unpublished and Not for Publication |
| * All Rights Reserved |
| */ |
| package org.apache.openaz.xacml.pdp.policy; |
| |
| import org.apache.openaz.xacml.api.Decision; |
| import org.apache.openaz.xacml.api.IdReferenceMatch; |
| import org.apache.openaz.xacml.api.StatusCode; |
| import org.apache.openaz.xacml.pdp.eval.EvaluationContext; |
| import org.apache.openaz.xacml.pdp.eval.EvaluationException; |
| import org.apache.openaz.xacml.pdp.eval.EvaluationResult; |
| import org.apache.openaz.xacml.pdp.eval.MatchResult; |
| import org.apache.openaz.xacml.std.StdStatus; |
| import org.apache.openaz.xacml.std.StdStatusCode; |
| |
| /** |
| * PolicyIdReferenceBase extends {@link PolicySetChild} to implement a XACML PolicyIdReference element. |
| */ |
| public abstract class PolicyIdReferenceBase<T extends PolicyDef> extends PolicySetChild { |
| private IdReferenceMatch idReferenceMatch; |
| private T referencee; |
| |
| @Override |
| protected boolean validateComponent() { |
| if (super.validateComponent()) { |
| if (this.getIdReferenceMatch() == null) { |
| this.setStatus(StdStatusCode.STATUS_CODE_SYNTAX_ERROR, "Missing reference id"); |
| return false; |
| } else { |
| return true; |
| } |
| } else { |
| return false; |
| } |
| } |
| |
| /** |
| * If the <code>T</code> referencee has not been set, this method will try and find it in the given |
| * <code>EvaluationContext</code> and return it. |
| * |
| * @param evaluationContext the <code>EvaluationContext</code> to search for the referencee |
| * @return the <code>T</code> referencee if found, else null |
| * @throws org.apache.openaz.xacml.pdp.eval.EvaluationException if there is an error attempting to |
| * locate the referenced <code>T</code>. |
| */ |
| protected abstract T ensureReferencee(EvaluationContext evaluationContext) throws EvaluationException; |
| |
| public PolicyIdReferenceBase(PolicySet policySetParent, StatusCode statusCodeIn, String statusMessageIn) { |
| super(policySetParent, statusCodeIn, statusMessageIn); |
| } |
| |
| public PolicyIdReferenceBase(StatusCode statusCodeIn, String statusMessageIn) { |
| super(statusCodeIn, statusMessageIn); |
| } |
| |
| public PolicyIdReferenceBase(StatusCode statusCodeIn) { |
| super(statusCodeIn); |
| } |
| |
| public PolicyIdReferenceBase(PolicySet policySetParent) { |
| super(policySetParent); |
| } |
| |
| public PolicyIdReferenceBase() { |
| } |
| |
| /** |
| * Gets the {@link org.apache.openaz.xacml.api.IdReferenceMatch} for this |
| * <code>PolicyIdReferenceBase</code>. |
| * |
| * @return the <code>IdReferenceMatch</code> for this <code>PolicyIdReference</code>. |
| */ |
| public IdReferenceMatch getIdReferenceMatch() { |
| return this.idReferenceMatch; |
| } |
| |
| public void setIdReferenceMatch(IdReferenceMatch idReferenceMatchIn) { |
| this.idReferenceMatch = idReferenceMatchIn; |
| } |
| |
| /** |
| * Sets the <code>PolicyDef</code> object referred to by this <code>PolicyIdReferenceBase</code>. |
| * |
| * @return the <code>PolicyDef</code> object referred to by this <code>PolicyIdReferenceBase</code> |
| */ |
| public T getReferencee() { |
| return this.referencee; |
| } |
| |
| public void setReferencee(T referenceeIn) { |
| this.referencee = referenceeIn; |
| } |
| |
| @Override |
| public EvaluationResult evaluate(EvaluationContext evaluationContext) throws EvaluationException { |
| T thisReferencee = this.ensureReferencee(evaluationContext); |
| if (thisReferencee == null) { |
| return new EvaluationResult(Decision.INDETERMINATE, |
| new StdStatus(StdStatusCode.STATUS_CODE_PROCESSING_ERROR, |
| "Could not find referencee for " |
| + this.getIdReferenceMatch().toString())); |
| } else { |
| return thisReferencee.evaluate(evaluationContext); |
| } |
| } |
| |
| @Override |
| public MatchResult match(EvaluationContext evaluationContext) throws EvaluationException { |
| T thisReferencee = this.ensureReferencee(evaluationContext); |
| if (thisReferencee == null) { |
| return new MatchResult(MatchResult.MatchCode.INDETERMINATE, |
| new StdStatus(StdStatusCode.STATUS_CODE_PROCESSING_ERROR, |
| "Could not find referencee for " |
| + this.getIdReferenceMatch().toString())); |
| } else { |
| return thisReferencee.match(evaluationContext); |
| } |
| } |
| |
| } |