protected int doProcess(WebDAVRequest webDAVRequest) throws Exception { WebDAVStorage storage = webDAVRequest.getWebDAVStorage(); if (!storage.isSupportsClassTwo()) { return HttpServletResponse.SC_METHOD_NOT_ALLOWED; } HttpServletRequest request = webDAVRequest.getHttpServletRequest(); HttpServletResponse response = webDAVRequest.getHttpServletResponse(); Lock lock = null; Status status = null; String lockUuid = webDAVRequest.getLockUuid(); long timeout = WebDAVUtil.getTimeout(request); if (Validator.isNull(lockUuid)) { // Create new lock String owner = null; String xml = new String(FileUtil.getBytes(request.getInputStream())); if (Validator.isNotNull(xml)) { if (_log.isDebugEnabled()) { _log.debug("Request XML\n" + XMLFormatter.toString(xml)); } Document document = SAXReaderUtil.read(xml); Element rootElement = document.getRootElement(); boolean exclusive = false; Element lockscopeElement = rootElement.element("lockscope"); for (Element element : lockscopeElement.elements()) { String name = GetterUtil.getString(element.getName()); if (name.equals("exclusive")) { exclusive = true; } } if (!exclusive) { return HttpServletResponse.SC_BAD_REQUEST; } Element ownerElement = rootElement.element("owner"); owner = ownerElement.getTextTrim(); if (Validator.isNull(owner)) { List<Element> hrefElements = ownerElement.elements("href"); for (Element hrefElement : hrefElements) { owner = "<D:href>" + hrefElement.getTextTrim() + "</D:href>"; } } } else { _log.error("Empty request XML"); return HttpServletResponse.SC_PRECONDITION_FAILED; } status = storage.lockResource(webDAVRequest, owner, timeout); lock = (Lock) status.getObject(); } else { try { // Refresh existing lock lock = storage.refreshResourceLock(webDAVRequest, lockUuid, timeout); status = new Status(HttpServletResponse.SC_OK); } catch (WebDAVException wde) { if (wde.getCause() instanceof NoSuchLockException) { return HttpServletResponse.SC_PRECONDITION_FAILED; } else { throw wde; } } } // Return lock details if (lock == null) { return status.getCode(); } long depth = WebDAVUtil.getDepth(request); String xml = getResponseXML(lock, depth); if (_log.isDebugEnabled()) { _log.debug("Response XML\n" + xml); } String lockToken = "<" + WebDAVUtil.TOKEN_PREFIX + lock.getUuid() + ">"; response.setContentType(ContentTypes.TEXT_XML_UTF8); response.setHeader("Lock-Token", lockToken); response.setStatus(status.getCode()); if (_log.isDebugEnabled()) { _log.debug("Returning lock token " + lockToken); } try { ServletResponseUtil.write(response, xml); } catch (Exception e) { if (_log.isWarnEnabled()) { _log.warn(e); } } return status.getCode(); }