/// <summary>
/// Serializes the object.
/// </summary>
/// <param name="info">Serialization info object.</param>
/// <param name="context">Streaming context.</param>
public void GetObjectData(SerializationInfo info, StreamingContext context)
{
if (info == null)
{
throw new ArgumentNullException("info");
}
if (null != this.ListContinuationToken)
{
FileListContinuationToken fileLct = this.ListContinuationToken as FileListContinuationToken;
if (fileLct != null)
{
info.AddValue(ListContinuationTokenTypeName, TokenTypeFile, typeof(string));
info.AddValue(ListContinuationTokenName, fileLct, typeof(FileListContinuationToken));
return;
}
AzureBlobListContinuationToken azureBlobLct = this.ListContinuationToken as AzureBlobListContinuationToken;
if (azureBlobLct != null)
{
info.AddValue(ListContinuationTokenTypeName, TokenTypeAzureBlob, typeof(string));
info.AddValue(ListContinuationTokenName, azureBlobLct, typeof(AzureBlobListContinuationToken));
return;
}
AzureFileListContinuationToken azureFileLct = this.ListContinuationToken as AzureFileListContinuationToken;
if (azureFileLct != null)
{
info.AddValue(ListContinuationTokenTypeName, TokenTypeAzureFile, typeof(string));
info.AddValue(ListContinuationTokenName, azureFileLct, typeof(AzureFileListContinuationToken));
return;
}
}
else
{
info.AddValue(ListContinuationTokenTypeName, "", typeof(string));
}
}
/// <summary>
/// Enumerates the files present in the storage location referenced by this object.
/// </summary>
/// <param name="cancellationToken">CancellationToken to cancel the method.</param>
/// <returns>Enumerable list of TransferEntry objects found in the storage location referenced by this object.</returns>
public IEnumerable <TransferEntry> EnumerateLocation(CancellationToken cancellationToken)
{
Utils.CheckCancellation(cancellationToken);
string filePattern = string.IsNullOrEmpty(this.SearchPattern) ? DefaultFilePattern : this.SearchPattern;
SearchOption searchOption = this.Recursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
IEnumerable <EnumerateDirectoryHelper.LocalEnumerateItem> directoryEnumerator = null;
ErrorEntry errorEntry = null;
Utils.CheckCancellation(cancellationToken);
string fullPath = null;
string baseFullPath = null;
if (Interop.CrossPlatformHelpers.IsWindows)
{
fullPath = TransferManager.Configurations.SupportUncPath ?
LongPath.ToUncPath(this.location.DirectoryPath) :
LongPath.GetFullPath(this.location.DirectoryPath);
baseFullPath = TransferManager.Configurations.SupportUncPath ?
LongPath.ToUncPath(this.baseDirectory) :
LongPath.GetFullPath(this.baseDirectory);
}
else
{
fullPath = Path.GetFullPath(this.location.DirectoryPath);
baseFullPath = Path.GetFullPath(this.baseDirectory);
}
fullPath = AppendDirectorySeparator(fullPath);
baseFullPath = AppendDirectorySeparator(baseFullPath);
bool isBaseDirectory = string.Equals(fullPath, baseFullPath);
try
{
// Directory.GetFiles/EnumerateFiles will be broken when encounted special items, such as
// files in recycle bins or the folder "System Volume Information". Rewrite this function
// because our listing should not be stopped by these unexpected files.
directoryEnumerator = EnumerateDirectoryHelper.EnumerateAllEntriesInDirectory(
fullPath,
filePattern,
this.listContinuationToken == null ? null : this.listContinuationToken.FilePath,
searchOption,
followSymlink,
isBaseDirectory,
cancellationToken);
}
catch (Exception ex)
{
string errorMessage = string.Format(
CultureInfo.CurrentCulture,
Resources.FailedToEnumerateDirectory,
this.location.DirectoryPath,
filePattern);
TransferException exception =
new TransferException(TransferErrorCode.FailToEnumerateDirectory, errorMessage, ex);
errorEntry = new ErrorEntry(exception);
}
if (null != errorEntry)
{
// We any exception we might get from Directory.GetFiles/
// Directory.EnumerateFiles. Just return an error entry
// to indicate error occured in this case.
yield return(errorEntry);
}
if (null != directoryEnumerator)
{
foreach (var entry in directoryEnumerator)
{
Utils.CheckCancellation(cancellationToken);
string relativePath = entry.Path;
if (relativePath.StartsWith(baseFullPath, StringComparison.OrdinalIgnoreCase))
{
relativePath = relativePath.Remove(0, baseFullPath.Length);
}
string continuationTokenPath = entry.Path;
continuationTokenPath = continuationTokenPath.Remove(0, fullPath.Length);
var continuationToken = new FileListContinuationToken(continuationTokenPath);
if (relativePath.Length > Constants.MaxRelativePathLength)
{
relativePath = relativePath.Substring(0, Constants.MaxRelativePathLength / 2) + "..." + relativePath.Substring(relativePath.Length - Constants.MaxRelativePathLength / 2);
}
if (entry.IsDirectory)
{
yield return(new DirectoryEntry(
relativePath,
LongPath.Combine(this.baseDirectory, relativePath),
continuationToken));
}
else
{
yield return(new FileEntry(
relativePath,
LongPath.Combine(this.baseDirectory, relativePath),
continuationToken));
}
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="FileEntry" /> class.
/// </summary>
/// <param name="relativePath">Relative path of the file indicated by this file entry.</param>
/// <param name="fullPath">Full path of the file indicated by this file entry.</param>
/// <param name="continuationToken">Continuation token when listing to this entry.</param>
public FileEntry(string relativePath, string fullPath, FileListContinuationToken continuationToken)
: base(relativePath, continuationToken)
{
this.FullPath = fullPath;
}