private static string remoteFileTransferPath = @"/Data"; // Used for bulk transfer
public static void Main(string[] args)
{
// Create Client Secret Credential
var creds = new ClientSecretCredential(domain, clientId, clientSecret);
// Create data lake file service client object
DataLakeServiceClient serviceClient = new DataLakeServiceClient(new Uri(serviceUri), creds);
var name = "sample-filesystem" + Guid.NewGuid().ToString("n").Substring(0, 8);
// Create data lake file system client object
DataLakeFileSystemClient filesystemclient = serviceClient.GetFileSystemClient(name);
filesystemclient.CreateIfNotExists();
try {
// Perform write with flush and read with seek
PerformWriteFlushReadSeek(filesystemclient);
// Upload and download
RunFileTransfer(filesystemclient);
// Change Acl and get acl properties
SetAclAndGetFileProperties(filesystemclient);
// Illustrate token refresh
TestTokenRefresh(filesystemclient);
}
finally
{
filesystemclient.Delete();
}
Console.WriteLine("Done. Press ENTER to continue ...");
Console.ReadLine();
}
private static string serviceUri = "FILL-IN-HERE"; // full account FQDN, not just the account name - it should look like https://{ACCOUNTNAME}.dfs.core.windows.net/
public static void Main(string[] args)
{
// Create Client Secret Credential
var creds = new ClientSecretCredential(tenantId, applicationId, clientSecret);
// Create data lake file service client object
DataLakeServiceClient serviceClient = new DataLakeServiceClient(new Uri(serviceUri), creds);
var name = "sample-filesystem" + Guid.NewGuid().ToString("n").Substring(0, 8);
// Create data lake file system client object
DataLakeFileSystemClient filesystemclient = serviceClient.GetFileSystemClient(name);
filesystemclient.CreateIfNotExists();
try
{
long length;
string fileName = "/Test/testFilename1.txt";
DataLakeFileClient file = filesystemclient.GetFileClient(fileName);
// Upload a file - automatically creates any parent directories that don't exist
length = BinaryData.FromString("This is test data to write.\r\nThis is the second line.\r\n").ToStream().Length;
file.Upload(BinaryData.FromString("This is test data to write.\r\nThis is the second line.\r\n").ToStream(), true);
file.Append(BinaryData.FromString("This is the added line.\r\n").ToStream(), length);
file.Flush(length + BinaryData.FromString("This is the added line.\r\n").ToStream().Length);
//Read file contents
Response <FileDownloadInfo> fileContents = file.Read();
Console.WriteLine(BinaryData.FromStream(fileContents.Value.Content).ToString());
// Get the properties of the file
PathProperties pathProperties = file.GetProperties();
PrintDirectoryEntry(pathProperties);
// Rename a file
string destFilePath = "/Test/testRenameDest3.txt";
file.Rename(destFilePath);
file = filesystemclient.GetFileClient(destFilePath);
Console.WriteLine("The file URI is " + file.Uri);
// Enumerate directory
foreach (var pathItem in filesystemclient.GetPaths("/Test"))
{
PrintDirectoryEntry(pathItem);
}
// Delete a directory and all it's subdirectories and files
filesystemclient.DeleteDirectory("/Test");
}
finally
{
filesystemclient.Delete();
}
Console.WriteLine("Done. Press ENTER to continue ...");
Console.ReadLine();
}
