void removeLockHolder(String name) {
if (children != null) {
Iterator<CommonResource> it = children.iterator();
while (it.hasNext()) {
Resource r = it.next();
if (r instanceof LockNullResource && r.getName().equals(name)) {
it.remove();
}
}
}
}
@Override
public void respondMethodNotAllowed(Resource res, Response response, Request request) {
log.debug(
"method not allowed. handler: "
+ this.getClass().getName()
+ " resource: "
+ res.getClass().getName());
response.setStatus(Response.Status.SC_METHOD_NOT_ALLOWED);
contentGenerator.generate(res, request, response, Status.SC_METHOD_NOT_ALLOWED);
}
@Override
public void process(HttpManager manager, Request request, Response response)
throws NotAuthorizedException, BadRequestException {
if (!handlerHelper.checkExpects(responseHandler, request, response)) {
return;
}
String host = request.getHostHeader();
String url = HttpManager.decodeUrl(request.getAbsolutePath());
// Find a resource if it exists
Resource r = manager.getResourceFactory().getResource(host, url);
if (r != null) {
log.debug("locking existing resource: " + r.getName());
processExistingResource(manager, request, response, r);
} else {
log.debug("lock target doesnt exist, attempting lock null..");
processNonExistingResource(manager, request, response, host, url);
}
}
@Override
public Resource child(String childName) throws NotAuthorizedException, BadRequestException {
if (children == null) {
// attempt to locate singly, ie without loading entire list of children
// first check if it has already been loaded singly
if (singlyLoadedChildItems != null && singlyLoadedChildItems.hasChild(childName)) {
return singlyLoadedChildItems.get(childName);
}
// try to load singly using ChildOf annotation, if present
// childTriValue can be null, the child source object, or a special value indicating no search
Object childTriValue = annoFactory.childOfAnnotationHandler.execute(this, childName);
if (childTriValue == null) {
// return null; // definitely not found
// well, actually. ChildOf can just apply to a certain sort of child, so if its not found
// that doesnt mean that there might not be some othe child
// so we can't assume in any circumstance that a null means not found. Must always fall
// through to ChildrenOf
} else if (childTriValue.equals(ChildOfAnnotationHandler.NOT_ATTEMPTED)) {
// there is no ChildOf method, so fall through to iterating over all children
} else {
// got one!
AnnoResource r = (AnnoResource) childTriValue;
if (singlyLoadedChildItems == null) {
singlyLoadedChildItems = new ResourceList();
}
singlyLoadedChildItems.add(r);
return r;
}
}
for (Resource r : getChildren()) {
if (r.getName().equals(childName)) {
return r;
}
}
return null;
}
@Override
public void respondContent(
Resource resource, Response response, Request request, Map<String, String> params)
throws NotAuthorizedException, BadRequestException, NotFoundException {
log.debug("respondContent: " + resource.getClass());
Auth auth = request.getAuthorization();
setRespondContentCommonHeaders(response, resource, auth);
if (resource instanceof GetableResource) {
GetableResource gr = (GetableResource) resource;
String acc = request.getAcceptHeader();
String ct = gr.getContentType(acc);
if (ct != null) {
ct = pickBestContentType(ct);
response.setContentTypeHeader(ct);
}
cacheControlHelper.setCacheControl(gr, response, request.getAuthorization());
Long contentLength = gr.getContentLength();
Boolean doBuffering = null;
if (resource instanceof BufferingControlResource) {
BufferingControlResource bcr = (BufferingControlResource) resource;
doBuffering = bcr.isBufferingRequired();
}
if (doBuffering == null) {
if (buffering == null || buffering == BUFFERING.whenNeeded) {
doBuffering =
(contentLength
== null); // if no content length then we buffer content to find content length
} else {
doBuffering =
(buffering
== BUFFERING
.always); // if not null or whenNeeded then buffering is explicitly enabled or
// disabled
}
}
if (!doBuffering) {
log.trace("sending content with known content length: " + contentLength);
if (contentLength != null) {
response.setContentLengthHeader(contentLength);
}
response.setEntity(new GetableResourceEntity(gr, params, ct));
} else {
BufferingGetableResourceEntity e =
new BufferingGetableResourceEntity(gr, params, ct, contentLength, getMaxMemorySize());
response.setEntity(e);
}
}
}
/**
* The authentication result is written to a request attribute called "loginResult".
*
* <p>Its value is "true" if login succeeded and "false" if not. Note that a successful login does
* not ensure that that authorisation will succeed.
*
* <p>If rendering a login page based on authentication and authorisation you should also look at
* the "authReason" attribute set by the LoginResponseHandler which gives the reason for an
* authorisation failure
*
* @param resource
* @param request
* @return
*/
@Override
public Object authenticate(Resource resource, Request request) {
String userName = request.getParams().get(userNameParam);
String pwd = request.getParams().get(passwordParam);
Object o = resource.authenticate(userName, pwd);
// set a request attribute that can be used when rendering
if (o == null) {
log.trace("Form authentication failed");
request.getAttributes().put("loginResult", Boolean.FALSE);
} else {
log.trace("Form authentication succeeded");
request.getAttributes().put("loginResult", Boolean.TRUE);
}
return o;
}
/**
* The modified date response header is used by the client for content caching. It seems obvious
* that if we have a modified date on the resource we should set it. BUT, because of the
* interaction with max-age we should always set it to the current date if we have max-age The
* problem, is that if we find that a condition GET has an expired mod-date (based on maxAge) then
* we want to respond with content (even if our mod-date hasnt changed. But if we use the actual
* mod-date in that case, then the browser will continue to use the old mod-date, so will forever
* more respond with content. So we send a mod-date of now to ensure that future requests will be
* given a 304 not modified.*
*
* @param response
* @param resource
* @param auth
*/
public static void setModifiedDate(Response response, Resource resource, Auth auth) {
Date modDate = resource.getModifiedDate();
if (modDate != null) {
// HACH - see if this helps IE
response.setLastModifiedHeader(modDate);
// if (resource instanceof GetableResource) {
// GetableResource gr = (GetableResource) resource;
// Long maxAge = gr.getMaxAgeSeconds(auth);
// if (maxAge != null && maxAge > 0) {
// log.trace("setModifiedDate: has a modified date and a positive maxAge,
// so adjust modDate");
// long tm = System.currentTimeMillis() - 60000; // modified 1 minute ago
// modDate = new Date(tm); // have max-age, so use current date
// }
// }
// response.setLastModifiedHeader(modDate);
}
}
@Override
public List<QName> getResourceTypes(Resource r) {
if (log.isTraceEnabled()) {
log.trace("getResourceTypes:" + r.getClass().getCanonicalName());
}
QName qn, qn2;
List<QName> list = wrapped.getResourceTypes(r);
if (r instanceof AddressBookResource) {
log.trace("getResourceTypes: is a AddressBookResource");
qn = new QName(CardDavProtocol.CARDDAV_NS, "addressbook");
qn2 = new QName(CardDavProtocol.CARDDAV_NS, "directory");
if (list == null) {
list = new ArrayList<QName>();
}
if (r instanceof AddressBookDirectoryResource) {
list.add(qn2);
}
list.add(qn);
}
return list;
}
