/// <summary>
/// Saves to blob storage
/// NOTE: If you plan on getting the same blob over and over and quickly saving you will need to throttle and retry
/// </summary>
/// <param name="blobContainer"></param>
/// <param name="fileName"></param>
/// <param name="memoryStream"></param>
public void SaveBlob(string blobContainer, string fileName, MemoryStream memoryStream)
{
InitializeStorage(blobContainer);
string containerName = blobContainer.ToString().ToLower(); // must be lower case!
Microsoft.WindowsAzure.Storage.Blob.CloudBlobClient blobStorage = blobStorageDictionary[containerName];
blobStorage.DefaultRequestOptions.ServerTimeout = new TimeSpan(0, 30, 0);
Microsoft.WindowsAzure.Storage.Blob.CloudBlobContainer container = blobStorage.GetContainerReference(containerName);
Microsoft.WindowsAzure.Storage.Blob.CloudBlockBlob blob = container.GetBlockBlobReference(fileName);
// save
if (fileName.Contains("."))
{
blob.Properties.ContentType = GetMimeTypeFromExtension(fileName.Substring(fileName.LastIndexOf(".")));
}
else
{
blob.Properties.ContentType = "application/octet-stream";
}
// save
memoryStream.Position = 0; // rewind
blob.UploadFromStream(memoryStream);
} // SaveBlob
} // SaveBlob
/// <summary>
/// Writes text to a blob reference
/// </summary>
/// <param name="blob"></param>
/// <param name="text"></param>
public void PutText(Microsoft.WindowsAzure.Storage.Blob.CloudBlockBlob blob, string text)
{
if (text == null)
{
text = string.Empty;
}
using (System.IO.MemoryStream memoryStream = new System.IO.MemoryStream(System.Text.Encoding.UTF8.GetBytes(text)))
{
blob.UploadFromStream(memoryStream);
}
}
/// <summary>
/// Writes text to a blob reference with an access condition
/// </summary>
/// <param name="blob"></param>
/// <param name="text"></param>
/// <param name="accessCondition"></param>
public void PutText(Microsoft.WindowsAzure.Storage.Blob.CloudBlockBlob blob, string text, Microsoft.WindowsAzure.Storage.AccessCondition accessCondition)
{
using (System.IO.MemoryStream memoryStream = new System.IO.MemoryStream(System.Text.Encoding.UTF8.GetBytes(text)))
{
try
{
blob.UploadFromStream(memoryStream, accessCondition);
}
catch (Microsoft.WindowsAzure.Storage.StorageException storageException)
{
if (storageException.Message.Contains("conditional header(s) is not met"))
{
throw new Sample.Azure.Common.CustomException.CustomConcurrencyException(System.Net.HttpStatusCode.PreconditionFailed, "The file has been updated by another user.");
}
else
{
throw;
}
}
}
}