/// <summary>
/// This method returns a filesystem object, this can be files or folders
/// </summary>
/// <param name="path"></param>
/// <param name="parent"></param>
/// <returns></returns>
public ICloudFileSystemEntry GetFileSystemObject(string path, ICloudDirectoryEntry parent)
{
/*
* This section generates for every higher object the object tree
*/
PathHelper ph = new PathHelper(path);
String[] elements = ph.GetPathElements();
// create the virtual root
ICloudDirectoryEntry current = parent ?? GetRoot();
// build the root
// check if we request only the root
if (path.Equals("/"))
{
return(current);
}
if (_Service.SupportsDirectRetrieve)
{
//Request directly
return(_Service.RequestResource(_Session, path.TrimStart('/'), current));
}
// create the path tree
for (int i = 0; i <= elements.Length - 1; i++)
{
String elem = elements[i];
if (i == elements.Length - 1)
{
return(current.GetChild(elem, false));
}
try
{
current = current.GetChild(elem, true) as ICloudDirectoryEntry;
}
catch (SharpBoxException e)
{
// if not found, create a virtual one
if (e.ErrorCode == SharpBoxErrorCodes.ErrorFileNotFound)
{
current = GenericStorageProviderFactory.CreateDirectoryEntry(_Session, elem, current);
}
else
{
throw;
}
}
}
// looks like an error
return(null);
}
/// <summary>
/// This method creates a folder in a given parent folder
/// </summary>
/// <param name="name"></param>
/// <param name="parent"></param>
/// <returns></returns>
public ICloudDirectoryEntry CreateFolder(string name, ICloudDirectoryEntry parent)
{
// solve the parent issue
if (parent == null)
{
parent = GetRoot();
if (parent == null)
{
return(null);
}
}
// double check if the folder which has to be created
// is in the folder
var childDir = parent.GetChild(name, false);
if (childDir != null)
{
return(childDir as ICloudDirectoryEntry);
}
// request the object
var res = _Service.CreateResource(_Session, name, parent);
if (res == null)
{
return(null);
}
// go ahead
return(res as ICloudDirectoryEntry);
}
public override ICloudFileSystemEntry RequestResource(IStorageProviderSession session, string Name, ICloudDirectoryEntry parent)
{
//declare the requested entry
ICloudFileSystemEntry fsEntry = null;
// lets have a look if we are on the root node
if (parent == null)
{
// just create the root entry
fsEntry = GenericStorageProviderFactory.CreateDirectoryEntry(session, Name, parent);
}
else
{
// ok we have a parent, let's retrieve the resource
// from his child list
fsEntry = parent.GetChild(Name, false);
}
// now that we create the entry just update the chuld
if (fsEntry != null && fsEntry is ICloudDirectoryEntry)
{
RefreshResource(session, fsEntry as ICloudDirectoryEntry);
}
// go ahead
return(fsEntry);
}
public override ICloudFileSystemEntry RequestResource(IStorageProviderSession session, string Name, ICloudDirectoryEntry parent)
{
//declare the requested entry
ICloudFileSystemEntry fsEntry = null;
// lets have a look if we are on the root node
if (parent == null)
{
// just create the root entry
fsEntry = GenericStorageProviderFactory.CreateDirectoryEntry(session, Name, parent);
}
else
{
// ok we have a parent, let's retrieve the resource
// from his child list
fsEntry = parent.GetChild(Name, false);
}
// now that we create the entry just update the chuld
if (fsEntry != null && fsEntry is ICloudDirectoryEntry)
RefreshResource(session, fsEntry as ICloudDirectoryEntry);
// go ahead
return fsEntry;
}
internal static bool ExistsChildOnDropbox(ICloudDirectoryEntry directory, String childName)
{
try
{
ICloudFileSystemEntry file = directory.GetChild(childName);
return(file != null);
}
catch (Exception)
{
return(false);
}
}
/// <summary>
/// This method returns a data stream which allows to downloads the
/// file data
/// </summary>
/// <param name="name"></param>
/// <param name="parent"></param>
/// <param name="targetStream"></param>
/// <returns></returns>
public void DownloadFile(String name, ICloudDirectoryEntry parent, Stream targetStream)
{
// check parameters
if (parent == null || name == null)
{
throw new SharpBoxException(SharpBoxErrorCodes.ErrorInvalidParameters);
}
// get the file entry
var file = parent.GetChild(name, true);
// download the data
file.GetDataTransferAccessor().Transfer(targetStream, nTransferDirection.nDownload);
}
/// <summary>
/// This functions allows to download a specific file
///
/// Valid Exceptions are:
/// SharpBoxException(nSharpBoxErrorCodes.ErrorFileNotFound);
/// </summary>
/// <param name="parent"></param>
/// <param name="name"></param>
/// <param name="targetPath"></param>
/// <param name="delProgress"></param>
/// <returns></returns>
public void DownloadFile(ICloudDirectoryEntry parent, String name, String targetPath, FileOperationProgressChanged delProgress)
{
// check parameters
if (parent == null || name == null || targetPath == null)
{
throw new SharpBoxException(SharpBoxErrorCodes.ErrorInvalidParameters);
}
// expand environment in target path
targetPath = Environment.ExpandEnvironmentVariables(targetPath);
// get the file entry
var file = parent.GetChild(name, true);
using (var targetData = new FileStream(Path.Combine(targetPath, file.Name), FileMode.Create, FileAccess.Write, FileShare.None))
{
file.GetDataTransferAccessor().Transfer(targetData, nTransferDirection.nDownload, delProgress, null);
}
}
internal static bool RenameFile(Form1 form, ICloudDirectoryEntry directory, String fileName, String newFileName)
{
String question = String.Format(LanguageUtil.GetCurrentLanguageString("SureRenameFile", className), fileName, newFileName);
if (WindowManager.ShowQuestionBox(form, question) == DialogResult.No)
{
return(false);
}
ICloudFileSystemEntry file = directory.GetChild(fileName);
if (form.DropboxCloudStorage.RenameFileSystemEntry(file, newFileName) == false)
{
WindowManager.ShowAlertBox(form, LanguageUtil.GetCurrentLanguageString("WarningRenaming", className));
return(false);
}
return(true);
}
internal static void DeleteFile(Form1 form, ICloudDirectoryEntry directory, String fileName)
{
if (!ConfigUtil.GetBoolParameter("EnableDropboxDelete"))
{
return;
}
String question = String.Format(LanguageUtil.GetCurrentLanguageString("SureDeleteFile", className), fileName);
if (WindowManager.ShowQuestionBox(form, question) == DialogResult.No)
{
return;
}
ICloudFileSystemEntry file = directory.GetChild(fileName);
if (!form.DropboxCloudStorage.DeleteFileSystemEntry(file))
{
WindowManager.ShowAlertBox(form, LanguageUtil.GetCurrentLanguageString("WarningDeleting", className));
}
}
internal static String GetFileFromDropbox(ICloudDirectoryEntry directory, String fileName, out bool fileExists)
{
fileExists = false;
if (!ExistsChildOnDropbox(directory, fileName))
{
return(String.Empty);
}
ICloudFileSystemEntry file = directory.GetChild(fileName);
String content;
using (Stream streamFile = file.GetDataTransferAccessor().GetDownloadStream())
{
using (StreamReader reader = new StreamReader(streamFile, Encoding.UTF8))
{
content = reader.ReadToEnd();
}
}
fileExists = true;
return(content);
}
/// <summary>
/// This method returns a filesystem object, this can be files or folders
/// </summary>
/// <param name="path"></param>
/// <param name="parent"></param>
/// <returns></returns>
public ICloudFileSystemEntry GetFileSystemObject(string path, ICloudDirectoryEntry parent)
{
/*
* This section generates for every higher object the object tree
*/
PathHelper ph = new PathHelper(path);
String[] elements = ph.GetPathElements();
// create the virtual root
ICloudDirectoryEntry current = parent;
// build the root
if (current == null)
{
current = GetRoot();
}
// check if we request only the root
if (path.Equals("/"))
{
return(current);
}
// create the path tree
for (int i = 0; i <= elements.Length - 1; i++)
{
String elem = elements[i];
if (i == elements.Length - 1)
{
// get requested object
ICloudFileSystemEntry requestedObject = _Service.RequestResource(_Session, elem, current);
// go ahead on error
if (requestedObject == null)
{
return(null);
}
else
{
// go ahead
return(requestedObject);
}
}
else
{
try
{
// try to get the child
current = current.GetChild(elem) as ICloudDirectoryEntry;
}
catch (SharpBoxException e)
{
// if not found, create a virtual one
if (e.ErrorCode == SharpBoxErrorCodes.ErrorFileNotFound)
{
current = GenericStorageProviderFactory.CreateDirectoryEntry(_Session, elem, current);
}
else
{
throw e;
}
}
}
}
// looks like an error
return(null);
}
/// <summary>
/// This method returns a data stream which allows to downloads the
/// file data
/// </summary>
/// <param name="name"></param>
/// <param name="parent"></param>
/// <param name="targetStream"></param>
/// <returns></returns>
public void DownloadFile(String name, ICloudDirectoryEntry parent, Stream targetStream)
{
// check parameters
if (parent == null || name == null)
throw new SharpBoxException(SharpBoxErrorCodes.ErrorInvalidParameters);
// get the file entry
ICloudFileSystemEntry file = parent.GetChild(name, true);
// download the data
file.GetDataTransferAccessor().Transfer(targetStream, nTransferDirection.nDownload);
}
/// <summary>
/// This functions allows to download a specific file
///
/// Valid Exceptions are:
/// SharpBoxException(nSharpBoxErrorCodes.ErrorFileNotFound);
/// </summary>
/// <param name="parent"></param>
/// <param name="name"></param>
/// <param name="targetPath"></param>
/// <param name="delProgress"></param>
/// <returns></returns>
public void DownloadFile(ICloudDirectoryEntry parent, String name, String targetPath, FileOperationProgressChanged delProgress)
{
// check parameters
if (parent == null || name == null || targetPath == null)
throw new SharpBoxException(SharpBoxErrorCodes.ErrorInvalidParameters);
#if !WINDOWS_PHONE && !ANDROID
// expand environment in target path
targetPath = Environment.ExpandEnvironmentVariables(targetPath);
#endif
// get the file entry
ICloudFileSystemEntry file = parent.GetChild(name, true);
using (var targetData = new FileStream(Path.Combine(targetPath, file.Name), FileMode.Create, FileAccess.Write, FileShare.None))
{
file.GetDataTransferAccessor().Transfer(targetData, nTransferDirection.nDownload, delProgress, null);
}
}
/// <summary>
/// This method creates a folder in a given parent folder
/// </summary>
/// <param name="name"></param>
/// <param name="parent"></param>
/// <returns></returns>
public ICloudDirectoryEntry CreateFolder(string name, ICloudDirectoryEntry parent)
{
// solve the parent issue
if (parent == null)
{
parent = GetRoot();
if (parent == null)
return null;
}
// double check if the folder which has to be created
// is in the folder
var childDir = parent.GetChild(name, false);
if (childDir != null)
return childDir as ICloudDirectoryEntry;
// request the object
var res = _Service.CreateResource(_Session, name, parent);
if (res == null)
return null;
// go ahead
return res as ICloudDirectoryEntry;
}
