| /******************************************************************************* |
| * 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.ofbiz.webapp.webdav; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.Writer; |
| |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.ofbiz.base.util.UtilXml; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| |
| /** WebDAV response helper class. This class provides helper methods for |
| * working with WebDAV requests and responses.*/ |
| public class ResponseHelper { |
| |
| public static final String DAV_NAMESPACE_URI = "DAV:"; |
| public static final String STATUS_200 = "HTTP/1.1 200 OK"; |
| public static final String STATUS_400 = "HTTP/1.1 400 Bad Request"; |
| public static final String STATUS_401 = "HTTP/1.1 401 Unauthorized"; |
| public static final String STATUS_403 = "HTTP/1.1 403 Forbidden"; |
| public static final String STATUS_404 = "HTTP/1.1 404 Not Found"; |
| |
| @SuppressWarnings("deprecation") |
| public static void prepareResponse(HttpServletResponse response, int statusCode, String statusString) { |
| response.setContentType("application/xml"); |
| response.setCharacterEncoding("UTF-8"); |
| if (statusString == null) { |
| response.setStatus(statusCode); |
| } else { |
| response.setStatus(statusCode, statusString); |
| } |
| } |
| |
| protected final Document responseDocument; |
| |
| public ResponseHelper() { |
| this.responseDocument = UtilXml.makeEmptyXmlDocument(); |
| } |
| |
| public Element createElementSetValue(String elementName, String value) { |
| Element element = this.responseDocument.createElementNS(DAV_NAMESPACE_URI, elementName); |
| element.appendChild(element.getOwnerDocument().createTextNode(value)); |
| element.setNodeValue(value); |
| return element; |
| } |
| |
| public Element createHrefElement(String hrefUrl) { |
| return createElementSetValue("D:href", hrefUrl); |
| } |
| |
| public Element createMultiStatusElement() { |
| return this.responseDocument.createElementNS(DAV_NAMESPACE_URI, "D:multistatus"); |
| } |
| |
| public Element createResponseDescriptionElement(String description, String lang) { |
| Element element = createElementSetValue("D:responsedescription", description); |
| if (lang != null) { |
| element.setAttribute("xml:lang", lang); |
| } |
| return element; |
| } |
| |
| public Element createResponseElement() { |
| return this.responseDocument.createElementNS(DAV_NAMESPACE_URI, "D:response"); |
| } |
| |
| public Element createStatusElement(String statusText) { |
| return createElementSetValue("D:status", statusText); |
| } |
| |
| public Document getResponseDocument() { |
| return this.responseDocument; |
| } |
| |
| public void writeResponse(HttpServletResponse response, Writer writer) throws IOException { |
| ByteArrayOutputStream os = new ByteArrayOutputStream(); |
| try { |
| UtilXml.writeXmlDocument(os, this.responseDocument, "UTF-8", true, true); |
| } catch (Exception e) { |
| throw new IOException(e.getMessage()); |
| } |
| response.setContentLength(os.size()); |
| writer.write(os.toString("UTF-8")); |
| } |
| } |