| /* |
| * 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.servlets.get.impl.helpers; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.sling.api.SlingHttpServletRequest; |
| import org.apache.sling.api.SlingHttpServletResponse; |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.api.resource.ResourceNotFoundException; |
| import org.apache.sling.api.resource.ResourceUtil; |
| import org.apache.sling.api.servlets.SlingSafeMethodsServlet; |
| |
| /** |
| * The <code>PlainTextRendererServlet</code> renders the current resource in |
| * plain text on behalf of the |
| * {@link org.apache.sling.servlets.get.impl.DefaultGetServlet}. |
| */ |
| public class PlainTextRendererServlet extends SlingSafeMethodsServlet { |
| |
| private static final long serialVersionUID = -5815904221043005085L; |
| |
| @Override |
| protected void doGet(SlingHttpServletRequest req, |
| SlingHttpServletResponse resp) throws ServletException, IOException { |
| final Resource r = req.getResource(); |
| if (ResourceUtil.isNonExistingResource(r)) { |
| throw new ResourceNotFoundException("No data to render."); |
| } |
| |
| /* |
| * TODO if(srd != null) { renderSyntheticResource(req, resp, srd); |
| * return; } |
| */ |
| |
| resp.setContentType(req.getResponseContentType()); |
| resp.setCharacterEncoding("UTF-8"); |
| |
| final PrintWriter pw = resp.getWriter(); |
| @SuppressWarnings("unchecked") |
| final Map<String,Object> map = r.adaptTo(Map.class); |
| if ( map != null ) { |
| dump(pw, r, map); |
| } else if ( r.adaptTo(String.class) != null ) { |
| printPropertyValue(pw, r.getName(), r.adaptTo(String.class), false); |
| } else if ( r.adaptTo(String[].class) != null ) { |
| printPropertyValue(pw, r.getName(), r.adaptTo(String[].class), false); |
| } else { |
| resp.sendError(HttpServletResponse.SC_NO_CONTENT); |
| } |
| } |
| |
| /** Render synthetic resource */ |
| /* |
| * TODO private void renderSyntheticResource(SlingHttpServletRequest |
| * req,SlingHttpServletResponse resp,SyntheticResourceData data) throws |
| * IOException { resp.setContentType(responseContentType); |
| * resp.getOutputStream().write(data.toString().getBytes()); } |
| */ |
| |
| /** |
| * Dumps the information about the provided resource to a {@link PrintWriter}. |
| * @param pw the PrintWriter |
| * @param r the resource |
| * @param map the resource's properties |
| */ |
| protected void dump(PrintWriter pw, Resource r, Map<String, Object> map) { |
| pw.println("** Resource dumped by " + getClass().getSimpleName() + "**"); |
| pw.println("Resource path:" + r.getPath()); |
| pw.println("Resource metadata: " + r.getResourceMetadata()); |
| pw.println("Resource type: " + r.getResourceType()); |
| |
| String resourceSuperType = r.getResourceResolver().getParentResourceType(r); |
| if (resourceSuperType == null) { |
| resourceSuperType = "-"; |
| } |
| pw.println("Resource super type: " + resourceSuperType); |
| |
| pw.println("\n** Resource properties **"); |
| final Iterator<Map.Entry<String,Object>> pi = map.entrySet().iterator(); |
| while ( pi.hasNext() ) { |
| final Map.Entry<String,Object> p = pi.next(); |
| printPropertyValue(pw, p.getKey(), p.getValue(), true); |
| pw.println(); |
| } |
| } |
| |
| protected void printPropertyValue(PrintWriter pw, String name, |
| Object value, |
| boolean includeName) { |
| |
| if (includeName) { |
| pw.print(name + ": "); |
| } |
| |
| if ( value.getClass().isArray() ) { |
| final Object[] values = (Object[])value; |
| pw.print('['); |
| for (int i = 0; i < values.length; i++) { |
| if (i > 0) { |
| pw.print(", "); |
| } |
| pw.print(values[i].toString()); |
| } |
| pw.print(']'); |
| } else { |
| pw.print(value.toString()); |
| } |
| } |
| } |