/// <summary>
/// Gets from 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>
/// <returns></returns>
public BlobResultModel GetBlob(string blobContainer, string fileName)
{
InitializeStorage(blobContainer);
string containerName = blobContainer.ToString().ToLower(); // must be lower case!
Microsoft.WindowsAzure.Storage.Blob.CloudBlobClient blobStorage = blobStorageDictionary[containerName];
Microsoft.WindowsAzure.Storage.Blob.CloudBlobContainer container = blobStorage.GetContainerReference(containerName);
Microsoft.WindowsAzure.Storage.Blob.CloudBlockBlob blob = container.GetBlockBlobReference(fileName);
if (blob.Exists())
{
BlobResultModel blobResultModel = new BlobResultModel();
blobResultModel.Stream = new MemoryStream();
blob.DownloadToStream(blobResultModel.Stream);
blobResultModel.eTag = blob.Properties.ETag;
return(blobResultModel);
}
else
{
return(null);
}
} // GetBlob
} // GetBlobHandle
/// <summary>
/// Tests to see if a blob exists
/// </summary>
/// <param name="blobContainer"></param>
/// <param name="fileName"></param>
/// <returns></returns>
public bool Exists(string blobContainer, string fileName)
{
InitializeStorage(blobContainer);
string containerName = blobContainer.ToString().ToLower(); // must be lower case!
Microsoft.WindowsAzure.Storage.Blob.CloudBlobClient blobStorage = blobStorageDictionary[containerName];
Microsoft.WindowsAzure.Storage.Blob.CloudBlobContainer container = blobStorage.GetContainerReference(containerName);
Microsoft.WindowsAzure.Storage.Blob.CloudBlockBlob blob = container.GetBlockBlobReference(fileName);
return(blob.Exists());
}
/// <summary>
/// Gets the text from a blob reference
/// </summary>
/// <param name="blob"></param>
/// <returns></returns>
public BlobResultModel GetText(Microsoft.WindowsAzure.Storage.Blob.CloudBlockBlob blob)
{
if (blob.Exists())
{
string text = string.Empty;
BlobResultModel blobResultModel = new BlobResultModel();
using (System.IO.MemoryStream memoryStream = new System.IO.MemoryStream())
{
blob.DownloadToStream(memoryStream);
blobResultModel.Text = System.Text.Encoding.UTF8.GetString(memoryStream.ToArray());
blobResultModel.eTag = blob.Properties.ETag;
}
return(blobResultModel);
}
else
{
return(null);
}
}