public HostVersion[] ReadAll()
{
List <HostVersion> versions = new List <HostVersion>();
IEnumerable <IListBlobItem> lazyItems = _directory.ListBlobs(
useFlatBlobListing: true, blobListingDetails: BlobListingDetails.Metadata);
IListBlobItem[] items;
try
{
items = lazyItems.ToArray();
}
catch (StorageException ex)
{
// A non-existent container should be treated just like an empty container.
if (ex.RequestInformation.HttpStatusCode == 404)
{
return(new HostVersion[0]);
}
else
{
throw;
}
}
foreach (ICloudBlob blob in items)
{
HostVersion version = GetHostVersion(blob);
versions.Add(version);
}
return(versions.ToArray());
}
private static HostVersion GetHostVersion(ICloudBlob blob)
{
// Use the blob name as the HostVersion.Name; any HostVersion will have this property set.
HostVersion version = new HostVersion
{
Label = blob.Name
};
// Try to get the link property from the blob contents.
// HostVersion.Link will only be set when the blob matches this schema.
if (blob.Properties.ContentType == "application/json")
{
Encoding utf8 = new UTF8Encoding(encoderShouldEmitUTF8Identifier: false, throwOnInvalidBytes: true);
string value;
using (Stream stream = blob.OpenRead())
using (TextReader textReader = new StreamReader(stream, utf8))
{
value = textReader.ReadToEnd();
}
string link;
if (TryReadLink(value, out link))
{
version.Link = link;
}
}
return(version);
}
private static HostVersion GetHostVersion(ICloudBlob blob)
{
// Use the blob name as the HostVersion.Name; any HostVersion will have this property set.
HostVersion version = new HostVersion
{
Label = blob.Name
};
// Try to get the link property from the blob contents.
// HostVersion.Link will only be set when the blob matches this schema.
if (blob.Properties.ContentType == "application/json")
{
Encoding utf8 = new UTF8Encoding(encoderShouldEmitUTF8Identifier: false, throwOnInvalidBytes: true);
string value;
Stream stream = blob.OpenRead();
try
{
using (TextReader textReader = new StreamReader(stream, utf8))
{
stream = null;
value = textReader.ReadToEnd();
}
}
finally
{
if (stream != null)
{
stream.Dispose();
}
}
string link;
if (TryReadLink(value, out link))
{
version.Link = link;
}
}
return version;
}
