public override ICloudFileSystemEntry RequestResource(IStorageProviderSession session, String nameOrID, ICloudDirectoryEntry parent)
{
/* In this method name could be either requested resource name or it's ID.
* In first case just refresh the parent and then search child with an appropriate.
* In second case it does not matter if parent is null or not a parent because we use only resource ID. */
if (SkyDriveHelpers.IsResourceID(nameOrID) || nameOrID.Equals("/") && parent == null)
//If request by ID or root folder requested
{
String uri =
SkyDriveHelpers.IsResourceID(nameOrID)
? String.Format("{0}/{1}", SkyDriveConstants.BaseAccessUrl, nameOrID)
: SkyDriveConstants.RootAccessUrl;
uri = SignUri(session, uri);
WebRequest request = WebRequest.Create(uri);
WebResponse response = request.GetResponse();
using (var rs = response.GetResponseStream())
{
if (rs != null)
{
String json = new StreamReader(rs).ReadToEnd();
ICloudFileSystemEntry entry = SkyDriveJsonParser.ParseSingleEntry(session, json);
return(entry);
}
}
}
else
{
String uri =
parent != null
? String.Format(SkyDriveConstants.FilesAccessUrlFormat, parent.Id)
: SkyDriveConstants.RootAccessUrl + "/files";
uri = SignUri(session, uri);
WebRequest request = WebRequest.Create(uri);
WebResponse response = request.GetResponse();
using (var rs = response.GetResponseStream())
{
if (rs != null)
{
String json = new StreamReader(rs).ReadToEnd();
var entry = SkyDriveJsonParser.ParseListOfEntries(session, json).FirstOrDefault(x => x.Name.Equals(nameOrID));
if (entry != null && parent != null && parent is BaseDirectoryEntry)
{
(parent as BaseDirectoryEntry).AddChild(entry as BaseFileEntry);
}
return(entry);
}
}
}
return(null);
}
public override void RefreshResource(IStorageProviderSession session, ICloudFileSystemEntry resource)
{
//Request resource by ID and then update properties from requested
var current = RequestResource(session, resource.Id, null);
SkyDriveHelpers.CopyProperties(current, resource);
if (resource is ICloudDirectoryEntry)
{
RefreshDirectoryContent(session, resource as ICloudDirectoryEntry);
}
}
public override string GetResourceUrl(IStorageProviderSession session, ICloudFileSystemEntry fileSystemEntry, string additionalPath)
{
var id = SkyDriveHelpers.GetResourceID(additionalPath);
if (!String.IsNullOrEmpty(id) || additionalPath != null && additionalPath.Equals("/"))
{
return("/" + id);
}
if (String.IsNullOrEmpty(additionalPath) && fileSystemEntry != null)
{
return("/" + (!fileSystemEntry.Id.Equals("/") ? fileSystemEntry.Id : ""));
}
return(base.GetResourceUrl(session, fileSystemEntry, additionalPath));
}
public override void RefreshResource(IStorageProviderSession session, ICloudFileSystemEntry resource)
{
//not refresh if resource was requested recently
var timestamp = resource.GetPropertyValue(SkyDriveConstants.TimestampKey);
var refreshNeeded = DateTime.Parse(timestamp, CultureInfo.InvariantCulture) + TimeSpan.FromSeconds(5) < DateTime.UtcNow;
if (refreshNeeded)
{
//Request resource by ID and then update properties from requested
var current = RequestResource(session, resource.GetPropertyValue(SkyDriveConstants.InnerIDKey), null);
SkyDriveHelpers.CopyProperties(current, resource);
}
var directory = resource as ICloudDirectoryEntry;
if (directory != null && !refreshNeeded && directory.HasChildrens == nChildState.HasNotEvaluated)
{
RefreshDirectoryContent(session, directory);
}
}
public override ICloudFileSystemEntry RequestResource(IStorageProviderSession session, String nameOrID, ICloudDirectoryEntry parent)
{
/* In this method name could be either requested resource name or it's ID.
* In first case just refresh the parent and then search child with an appropriate.
* In second case it does not matter if parent is null or not a parent because we use only resource ID. */
if (SkyDriveHelpers.HasResourceID(nameOrID) || nameOrID.Equals("/") && parent == null)
//If request by ID or root folder requested
{
var id = SkyDriveHelpers.GetResourceID(nameOrID);
var uri = id != String.Empty
? String.Format("{0}/{1}", SkyDriveConstants.BaseAccessUrl, id)
: SkyDriveConstants.RootAccessUrl;
if (SkyDriveHelpers.IsFolderID(id))
{
var contents = new List <ICloudFileSystemEntry>();
BaseDirectoryEntry entry = null;
/*var completeContent = new AutoResetEvent(false);
* ThreadPool.QueueUserWorkItem(state =>
* {
* contents.AddRange(RequestContentByUrl(session, uri + "/files"));
* ((AutoResetEvent) state).Set();
* }, completeContent);
*
* var completeEntry = new AutoResetEvent(false);
* ThreadPool.QueueUserWorkItem(state =>
* {
* entry = RequestResourseByUrl(session, uri) as BaseDirectoryEntry;
* ((AutoResetEvent) state).Set();
* }, completeEntry);
*
* WaitHandle.WaitAll(new WaitHandle[] {completeContent, completeEntry});*/
entry = RequestResourseByUrl(session, uri) as BaseDirectoryEntry;
contents.AddRange(RequestContentByUrl(session, uri + "/files"));
if (entry != null && contents.Any())
{
entry.AddChilds(contents.Cast <BaseFileEntry>());
}
return(entry);
}
return(RequestResourseByUrl(session, uri));
}
else
{
String uri;
if (SkyDriveHelpers.HasParentID(nameOrID))
{
uri = String.Format(SkyDriveConstants.FilesAccessUrlFormat, SkyDriveHelpers.GetParentID(nameOrID));
}
else if (parent != null)
{
uri = String.Format(SkyDriveConstants.FilesAccessUrlFormat, parent.GetPropertyValue(SkyDriveConstants.InnerIDKey));
}
else
{
uri = SkyDriveConstants.RootAccessUrl + "/files";
}
nameOrID = Path.GetFileName(nameOrID);
var entry = RequestContentByUrl(session, uri).FirstOrDefault(x => x.Name.Equals(nameOrID));
return(entry);
}
}
