| /*- |
| * 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. |
| */ |
| |
| package org.apache.sling.query.resource; |
| |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.query.api.Predicate; |
| import org.apache.sling.query.predicate.SelectorOperator; |
| import org.apache.sling.query.selector.parser.Attribute; |
| |
| public class ResourcePropertyPredicate implements Predicate<Resource> { |
| private final String key; |
| |
| private final String value; |
| |
| private final SelectorOperator operator; |
| |
| public ResourcePropertyPredicate(Attribute attribute) { |
| this.key = attribute.getKey(); |
| this.value = attribute.getValue(); |
| this.operator = SelectorOperator.getSelectorOperator(attribute.getOperator()); |
| } |
| |
| @Override |
| public boolean accepts(Resource resource) { |
| Resource property = resource.getChild(key); |
| if (property == null) { |
| return false; |
| } else if (value == null) { |
| return true; |
| } else { |
| return isEqualToValue(property); |
| } |
| } |
| |
| private boolean isEqualToValue(Resource property) { |
| final String[] multiProperty = property.adaptTo(String[].class); |
| if (multiProperty != null) { |
| for (String p : multiProperty) { |
| if (operator.accepts(p, value)) { |
| return true; |
| } |
| } |
| return false; |
| } else { |
| return operator.accepts(property.adaptTo(String.class), value); |
| } |
| } |
| } |