| /*- |
| * 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 java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.jcr.Node; |
| import javax.jcr.RepositoryException; |
| |
| import org.apache.commons.lang.StringUtils; |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.query.api.Predicate; |
| import org.apache.sling.query.resource.jcr.JcrTypeResolver; |
| import org.apache.sling.query.selector.parser.Attribute; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class ResourcePredicate implements Predicate<Resource> { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(ResourcePredicate.class); |
| |
| private final String resourceType; |
| |
| private final String resourceName; |
| |
| private final List<Predicate<Resource>> subPredicates; |
| |
| private JcrTypeResolver typeResolver; |
| |
| public ResourcePredicate(String resourceType, String resourceName, List<Attribute> attributes, |
| JcrTypeResolver typeResolver) { |
| this.resourceType = resourceType; |
| this.resourceName = resourceName; |
| this.subPredicates = new ArrayList<Predicate<Resource>>(); |
| for (Attribute a : attributes) { |
| subPredicates.add(new ResourcePropertyPredicate(a)); |
| } |
| this.typeResolver = typeResolver; |
| } |
| |
| @Override |
| public boolean accepts(Resource resource) { |
| if (StringUtils.isNotBlank(resourceName) && !resource.getName().equals(resourceName)) { |
| return false; |
| } |
| if (!isResourceType(resource, resourceType)) { |
| return false; |
| } |
| for (Predicate<Resource> predicate : subPredicates) { |
| if (!predicate.accepts(resource)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| private boolean isResourceType(Resource resource, String resourceType) { |
| if (StringUtils.isBlank(resourceType)) { |
| return true; |
| } |
| if (resource.isResourceType(resourceType)) { |
| return true; |
| } |
| if (!isValidType(resourceType)) { |
| return false; |
| } |
| Node node = resource.adaptTo(Node.class); |
| try { |
| if (node != null) { |
| return node.isNodeType(resourceType); |
| } |
| } catch (RepositoryException e) { |
| LOG.error("Can't check node type", e); |
| } |
| return false; |
| } |
| |
| private boolean isValidType(String type) { |
| return typeResolver.isJcrType(type); |
| } |
| } |