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();
}
