| /* |
| * 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.operations; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.sling.api.SlingHttpServletRequest; |
| import org.apache.sling.api.resource.ModifiableValueMap; |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.cms.core.internal.CommonUtils; |
| import org.apache.sling.cms.core.internal.models.ReferenceOperation; |
| import org.apache.sling.servlets.post.Modification; |
| import org.apache.sling.servlets.post.SlingPostConstants; |
| import org.apache.sling.servlets.post.SlingPostProcessor; |
| import org.osgi.framework.Constants; |
| import org.osgi.service.component.annotations.Component; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * The <code>UpdateReferencesPostOperation</code> class will update all of the |
| * references from a resource which is being moved or deleted to another |
| * resource. |
| */ |
| @Component(immediate = true, service = { SlingPostProcessor.class }, property = Constants.SERVICE_RANKING + "=-1") |
| public class UpdateReferencesPostOperation implements SlingPostProcessor { |
| |
| public static final String RP_UPDATE_REFERENCES = SlingPostConstants.RP_PREFIX + "updateReferences"; |
| |
| private static final Logger log = LoggerFactory.getLogger(UpdateReferencesPostOperation.class); |
| |
| @Override |
| public void process(SlingHttpServletRequest request, final List<Modification> changes) throws Exception { |
| if ((SlingPostConstants.OPERATION_DELETE.equals(request.getParameter(SlingPostConstants.RP_OPERATION)) |
| || SlingPostConstants.OPERATION_MOVE.equals(request.getParameter(SlingPostConstants.RP_OPERATION))) |
| && "true".equalsIgnoreCase(request.getParameter(RP_UPDATE_REFERENCES))) { |
| updateReferences(request, changes); |
| } |
| } |
| |
| private void updateReferences(SlingHttpServletRequest request, final List<Modification> changes) { |
| final String find = request.getResource().getPath(); |
| final String destination = request.getParameter(SlingPostConstants.RP_DEST); |
| if (log.isDebugEnabled()) { |
| log.debug("Using destination: {}", CommonUtils.escapeLogMessage(destination)); |
| } |
| ReferenceOperation ro = new ReferenceOperation(request.getResource()) { |
| @Override |
| public void doProcess(Resource resource, String matchingKey) { |
| ModifiableValueMap properties = resource.adaptTo(ModifiableValueMap.class); |
| log.trace("Updating references in property {}@{}", resource.getPath(), matchingKey); |
| if (properties != null) { |
| if (properties.get(matchingKey) instanceof String) { |
| String value = properties.get(matchingKey, "").replace(find, destination); |
| properties.put(matchingKey, value); |
| log.trace("Updated value {}", value); |
| } else if (properties.get(matchingKey) instanceof String[]) { |
| String[] values = properties.get(matchingKey, new String[0]); |
| for (int i = 0; i < values.length; i++) { |
| values[i] = values[i].replace(find, destination); |
| } |
| properties.put(matchingKey, values); |
| if (log.isTraceEnabled()) { |
| log.trace("Updated values {}", Arrays.toString(values)); |
| } |
| } |
| } else { |
| log.warn("Unable to update references in {}, unable to edit", resource); |
| } |
| changes.add(Modification.onModified(resource.getPath())); |
| } |
| }; |
| ro.init(); |
| } |
| } |