| /* |
| * 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.cms.core.internal.models; |
| |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Set; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import javax.jcr.query.Query; |
| |
| import org.apache.jackrabbit.util.Text; |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.api.resource.ValueMap; |
| import org.apache.sling.cms.CMSConstants; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Abstract operation for Reference operations. |
| */ |
| public abstract class ReferenceOperation { |
| |
| private static final Logger log = LoggerFactory.getLogger(ReferenceOperation.class); |
| |
| private Pattern regex = null; |
| |
| private Resource resource = null; |
| |
| protected ReferenceOperation(Resource resource) { |
| String path = resource.getPath(); |
| if (CMSConstants.NT_PAGE.equals(resource.getResourceType())) { |
| regex = Pattern.compile("(^\\Q" + path + "\\E($|\\/)|(\\'|\\\")\\Q" + path + "\\E(\\.html|\\'|\\\"|\\/))"); |
| } else { |
| regex = Pattern.compile("(^\\Q" + path + "\\E($|\\/)|(\\'|\\\")\\Q" + path + "\\E(\\'|\\\"|\\/))"); |
| } |
| this.resource = resource; |
| } |
| |
| private void checkReferences(Resource resource) { |
| log.debug("Checking for references in resource {}", resource); |
| ValueMap properties = resource.getValueMap(); |
| properties.keySet().forEach(k -> { |
| if (properties.get(k) instanceof String) { |
| if (matches(properties.get(k, String.class))) { |
| log.trace("Found reference in property {}@{}", resource.getPath(), k); |
| doProcess(resource, k); |
| } |
| } else if (properties.get(k) instanceof String[]) { |
| for (String v : properties.get(k, String[].class)) { |
| if (matches(v)) { |
| log.trace("Found reference in property {}@{}", resource.getPath(), k); |
| doProcess(resource, k); |
| break; |
| } |
| } |
| } |
| |
| }); |
| } |
| |
| public abstract void doProcess(Resource resource, String matchingKey); |
| |
| public Pattern getRegex() { |
| return regex; |
| } |
| |
| public void init() { |
| log.debug("Finding references to {}", resource.getPath()); |
| String query = "SELECT * FROM [nt:base] AS s WHERE NOT ISDESCENDANTNODE([/jcr:system]) AND CONTAINS(s.*, '\"" |
| + Text.escapeIllegalXpathSearchChars(resource.getPath()) + "\"')"; |
| Set<String> paths = new HashSet<>(); |
| |
| Iterator<Resource> resources = resource.getResourceResolver().findResources(query, Query.JCR_SQL2); |
| log.debug("Checking for references with: {}", query); |
| while (resources.hasNext()) { |
| Resource r = resources.next(); |
| if (!paths.contains(r.getPath())) { |
| checkReferences(r); |
| paths.add(r.getPath()); |
| } |
| } |
| } |
| |
| private boolean matches(String value) { |
| Matcher matcher = regex.matcher(value); |
| return matcher.find(); |
| } |
| } |