1 /* 2 * Licensed to the University Corporation for Advanced Internet Development, 3 * Inc. (UCAID) under one or more contributor license agreements. See the 4 * NOTICE file distributed with this work for additional information regarding 5 * copyright ownership. The UCAID licenses this file to You under the Apache 6 * License, Version 2.0 (the "License"); you may not use this file except in 7 * compliance with the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package edu.internet2.middleware.shibboleth.common.attribute.filtering.provider.match.basic; 19 20 import edu.internet2.middleware.shibboleth.common.attribute.filtering.provider.FilterProcessingException; 21 import edu.internet2.middleware.shibboleth.common.attribute.filtering.provider.MatchFunctor; 22 import edu.internet2.middleware.shibboleth.common.attribute.filtering.provider.ShibbolethFilteringContext; 23 24 /** 25 * A match functor that performs a logical NOT on the result of another functor. 26 */ 27 public class NotMatchFunctor extends AbstractMatchFunctor { 28 29 /** Match functor to negate. */ 30 private MatchFunctor targetRule; 31 32 /** 33 * Constructor. 34 * 35 * @param rule rule to NOT 36 */ 37 public NotMatchFunctor(MatchFunctor rule){ 38 targetRule = rule; 39 } 40 41 /** 42 * Gets the match functor that will be the target of the logical NOT. 43 * 44 * @return match functor that will be the target of the logical NOT 45 */ 46 public MatchFunctor getTargetRule() { 47 return targetRule; 48 } 49 50 /** 51 * Sets the match functor that will be the target of the logical NOT. 52 * 53 * @param target match functor that will be the target of the logical NOT 54 */ 55 public void setTargetRule(MatchFunctor target) { 56 targetRule = target; 57 } 58 59 /** {@inheritDoc} */ 60 protected boolean doEvaluateValue(ShibbolethFilteringContext filterContext, String attributeId, 61 Object attributeValue) throws FilterProcessingException { 62 return !targetRule.evaluatePermitValue(filterContext, attributeId, attributeValue); 63 } 64 65 /** {@inheritDoc} */ 66 protected boolean doEvaluatePolicyRequirement(ShibbolethFilteringContext filterContext) 67 throws FilterProcessingException { 68 return !targetRule.evaluatePolicyRequirement(filterContext); 69 } 70 }