| /* |
| * 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.servlets; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.jcr.Node; |
| import javax.jcr.RepositoryException; |
| import javax.json.Json; |
| import javax.json.JsonArrayBuilder; |
| import javax.servlet.Servlet; |
| import javax.servlet.ServletException; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.sling.api.SlingHttpServletRequest; |
| import org.apache.sling.api.SlingHttpServletResponse; |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.api.servlets.HttpConstants; |
| import org.apache.sling.api.servlets.SlingSafeMethodsServlet; |
| import org.apache.sling.cms.core.internal.CommonUtils; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.metatype.annotations.Designate; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Servlet which includes the content of the page when the page is accessed. |
| */ |
| @Component(service = { Servlet.class }, property = { "sling.servlet.paths=/bin/cms/paths", |
| "sling.servlet.methods=" + HttpConstants.METHOD_GET }) |
| @Designate(ocd = PathSuggestionServletConfig.class) |
| public class PathSuggestionServlet extends SlingSafeMethodsServlet { |
| |
| private static final long serialVersionUID = -410942682163323725L; |
| private static final Logger log = LoggerFactory.getLogger(PathSuggestionServlet.class); |
| |
| private static final Map<String, String[]> typeFilters = new HashMap<>(); |
| |
| @Activate |
| public void activate(PathSuggestionServletConfig config) { |
| typeFilters.clear(); |
| for (String filter : config.typeFilters()) { |
| String[] parts = filter.split("\\="); |
| String key = parts[0]; |
| String[] types = parts[1].split("\\,"); |
| typeFilters.put(key, types); |
| } |
| log.info("Loaded type filters {}", typeFilters); |
| } |
| |
| @Override |
| protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response) |
| throws ServletException, IOException { |
| String path = request.getParameter("path"); |
| |
| if (StringUtils.isEmpty(path)) { |
| path = "/"; |
| } |
| if (log.isDebugEnabled()) { |
| log.debug("Finding valid paths under {}", CommonUtils.escapeLogMessage(path)); |
| } |
| |
| String type = request.getParameter("type"); |
| if (!typeFilters.containsKey(type)) { |
| type = "all"; |
| } |
| if (log.isDebugEnabled()) { |
| log.debug("Filtering by type: {}", CommonUtils.escapeLogMessage(type)); |
| } |
| |
| JsonArrayBuilder arrBuilder = Json.createArrayBuilder(); |
| Resource parent = request.getResourceResolver().getResource(path); |
| |
| if (parent == null) { |
| path = StringUtils.left(path, path.lastIndexOf('/')); |
| if (StringUtils.isEmpty(path)) { |
| path = "/"; |
| } |
| |
| if (log.isDebugEnabled()) { |
| log.debug("Using stemmed path {}", CommonUtils.escapeLogMessage(path)); |
| } |
| parent = request.getResourceResolver().getResource(path); |
| } |
| if (parent != null) { |
| for (Resource child : parent.getChildren()) { |
| if (isIncluded(child, type)) { |
| arrBuilder.add(child.getPath()); |
| } |
| } |
| } |
| |
| response.setContentType("application/json"); |
| response.getWriter().write(arrBuilder.build().toString()); |
| } |
| |
| private boolean isIncluded(Resource child, String type) { |
| try { |
| Node node = child.adaptTo(Node.class); |
| if (node != null) { |
| for (String t : typeFilters.get(type)) { |
| if (node.isNodeType(t)) { |
| return true; |
| } |
| } |
| } else { |
| log.debug("Unable to adapt child resource {} to node", child.getPath()); |
| } |
| } catch (RepositoryException e) { |
| log.warn("Unexpected exception accessing JCR Node", e); |
| } |
| return false; |
| } |
| } |