| /* |
| * 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| * Unpublished and Not for Publication |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 java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| 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.MatchResult; |
| import org.apache.openaz.xacml.pdp.eval.Matchable; |
| import org.apache.openaz.xacml.std.StdStatus; |
| import org.apache.openaz.xacml.std.StdStatusCode; |
| import org.apache.openaz.xacml.util.StringUtils; |
| |
| /** |
| * AnyOf extends {@link org.apache.openaz.xacml.pdp.policy.PolicyComponent} and implements the |
| * {@link org.apache.openaz.xacml.pdp.policy.Matchable} interface to represent XACML AnyOf elements in a |
| * XACML Target. |
| */ |
| public class AnyOf extends PolicyComponent implements Matchable { |
| private List<AllOf> allOfs; |
| |
| protected List<AllOf> getAllOfList(boolean bNoNull) { |
| if (this.allOfs == null && bNoNull) { |
| this.allOfs = new ArrayList<AllOf>(); |
| } |
| return this.allOfs; |
| } |
| |
| protected void clearAllOfList() { |
| if (this.allOfs != null) { |
| this.allOfs.clear(); |
| } |
| } |
| |
| public AnyOf(StatusCode statusCodeIn, String statusMessageIn) { |
| super(statusCodeIn, statusMessageIn); |
| } |
| |
| public AnyOf(StatusCode statusCodeIn) { |
| super(statusCodeIn); |
| } |
| |
| public AnyOf() { |
| } |
| |
| public AnyOf(Collection<AllOf> allOfsIn) { |
| if (allOfsIn != null) { |
| this.addAllOfs(allOfsIn); |
| } |
| } |
| |
| public Iterator<AllOf> getAllOfs() { |
| return (this.allOfs == null ? null : this.allOfs.iterator()); |
| } |
| |
| public void setAllOfs(Collection<AllOf> allOfsIn) { |
| this.clearAllOfList(); |
| if (allOfsIn != null) { |
| this.addAllOfs(allOfsIn); |
| } |
| } |
| |
| public void addAllOf(AllOf allOf) { |
| List<AllOf> listAllOfs = this.getAllOfList(true); |
| listAllOfs.add(allOf); |
| } |
| |
| public void addAllOfs(Collection<AllOf> allOfs) { |
| List<AllOf> listAllOfs = this.getAllOfList(true); |
| listAllOfs.addAll(allOfs); |
| } |
| |
| @Override |
| public MatchResult match(EvaluationContext evaluationContext) throws EvaluationException { |
| if (!this.validate()) { |
| return new MatchResult(new StdStatus(this.getStatusCode(), this.getStatusMessage())); |
| } |
| Iterator<AllOf> iterAllOfs = this.getAllOfs(); |
| if (iterAllOfs == null || !iterAllOfs.hasNext()) { |
| return MatchResult.MM_NOMATCH; |
| } |
| |
| /* |
| * Assume "No Match" until we find a match or an indeterminate result |
| */ |
| MatchResult matchResultFallThrough = MatchResult.MM_NOMATCH; |
| while (iterAllOfs.hasNext()) { |
| MatchResult matchResultAllOf = iterAllOfs.next().match(evaluationContext); |
| assert matchResultAllOf != null; |
| switch (matchResultAllOf.getMatchCode()) { |
| case INDETERMINATE: |
| /* |
| * Keep the first indeterminate value to return if no other match is found |
| */ |
| if (matchResultFallThrough.getMatchCode() != MatchResult.MatchCode.INDETERMINATE) { |
| matchResultFallThrough = matchResultAllOf; |
| } |
| break; |
| case MATCH: |
| return matchResultAllOf; |
| case NOMATCH: |
| break; |
| } |
| } |
| return matchResultFallThrough; |
| } |
| |
| @Override |
| protected boolean validateComponent() { |
| Iterator<AllOf> iterAllOfs = this.getAllOfs(); |
| if (iterAllOfs == null || !iterAllOfs.hasNext()) { |
| this.setStatus(StdStatusCode.STATUS_CODE_SYNTAX_ERROR, "Missing AllOf elements in AnyOf"); |
| return false; |
| } else { |
| this.setStatus(StdStatusCode.STATUS_CODE_OK, null); |
| return true; |
| } |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder stringBuilder = new StringBuilder("{"); |
| stringBuilder.append("super="); |
| stringBuilder.append(super.toString()); |
| |
| String iterToDump = StringUtils.toString(this.getAllOfs()); |
| if (iterToDump != null) { |
| stringBuilder.append(",allOfs="); |
| stringBuilder.append(iterToDump); |
| } |
| stringBuilder.append('}'); |
| return stringBuilder.toString(); |
| } |
| |
| } |