/// <summary>
/// Constructs a web request to return a listing of all blobs in the container.
/// </summary>
/// <param name="uri">The absolute URI to the blob.</param>
/// <param name="timeout">The server timeout interval.</param>
/// <param name="listingContext">A set of parameters for the listing operation.</param>
/// <returns>A web request to use to perform the operation.</returns>
public static HttpWebRequest List(Uri uri, int timeout, BlobListingContext listingContext)
{
UriQueryBuilder builder = ContainerRequest.GetContainerUriQueryBuilder();
builder.Add(Constants.QueryConstants.Component, "list");
if (listingContext != null)
{
if (listingContext.Prefix != null)
{
builder.Add("prefix", listingContext.Prefix);
}
if (listingContext.Delimiter != null)
{
builder.Add("delimiter", listingContext.Delimiter);
}
if (listingContext.Marker != null)
{
builder.Add("marker", listingContext.Marker);
}
if (listingContext.MaxResults != null)
{
builder.Add("maxresults", listingContext.MaxResults.ToString());
}
if (listingContext.Include != BlobListingDetails.None)
{
StringBuilder sb = new StringBuilder();
bool started = false;
if ((listingContext.Include & BlobListingDetails.Snapshots) == BlobListingDetails.Snapshots)
{
if (!started)
{
started = true;
}
else
{
sb.Append(",");
}
sb.Append("snapshots");
}
if ((listingContext.Include & BlobListingDetails.UncommittedBlobs) == BlobListingDetails.UncommittedBlobs)
{
if (!started)
{
started = true;
}
else
{
sb.Append(",");
}
sb.Append("uncommittedblobs");
}
if ((listingContext.Include & BlobListingDetails.Metadata) == BlobListingDetails.Metadata)
{
if (!started)
{
started = true;
}
else
{
sb.Append(",");
}
sb.Append("metadata");
}
builder.Add("include", sb.ToString());
}
}
HttpWebRequest request = CreateWebRequest(uri, timeout, builder);
request.Method = "GET";
return(request);
}
/// <summary>
/// Constructs a web request to return a listing of all blobs in the container.
/// </summary>
/// <param name="uri">The absolute URI to the blob.</param>
/// <param name="timeout">The server timeout interval.</param>
/// <param name="listingContext">A set of parameters for the listing operation.</param>
/// <returns>A web request to use to perform the operation.</returns>
public static HttpWebRequest List(Uri uri, int timeout, BlobListingContext listingContext)
{
UriQueryBuilder builder = ContainerRequest.GetContainerUriQueryBuilder();
builder.Add(Constants.QueryConstants.Component, "list");
if (listingContext != null)
{
if (listingContext.Prefix != null)
{
builder.Add("prefix", listingContext.Prefix);
}
if (listingContext.Delimiter != null)
{
builder.Add("delimiter", listingContext.Delimiter);
}
if (listingContext.Marker != null)
{
builder.Add("marker", listingContext.Marker);
}
if (listingContext.MaxResults != null)
{
builder.Add("maxresults", listingContext.MaxResults.ToString());
}
if (listingContext.Include != BlobListingDetails.None)
{
StringBuilder sb = new StringBuilder();
bool started = false;
if ((listingContext.Include & BlobListingDetails.Snapshots) == BlobListingDetails.Snapshots)
{
if (!started)
{
started = true;
}
else
{
sb.Append(",");
}
sb.Append("snapshots");
}
if ((listingContext.Include & BlobListingDetails.UncommittedBlobs) == BlobListingDetails.UncommittedBlobs)
{
if (!started)
{
started = true;
}
else
{
sb.Append(",");
}
sb.Append("uncommittedblobs");
}
if ((listingContext.Include & BlobListingDetails.Metadata) == BlobListingDetails.Metadata)
{
if (!started)
{
started = true;
}
else
{
sb.Append(",");
}
sb.Append("metadata");
}
builder.Add("include", sb.ToString());
}
}
HttpWebRequest request = CreateWebRequest(uri, timeout, builder);
request.Method = "GET";
return request;
}
/// <summary>Core implementation of the ListBlobs method.</summary>
/// <param name="prefix">The blob prefix. </param>
/// <param name="options">An object that specifies any additional options for the request. </param>
/// <param name="continuationToken">The continuation token. </param>
/// <param name="pagination">The pagination. </param>
/// <param name="setResult">The result report delegate. </param>
/// <returns>A <see cref="TaskSequence"/> that lists the blobs. </returns>
private TaskSequence ListBlobsImplCore(
string prefix,
BlobRequestOptions options,
ResultContinuation continuationToken,
ResultPagination pagination,
Action<ResultSegment<IListBlobItem>> setResult)
{
CommonUtils.AssertContinuationType(continuationToken, ResultContinuation.ContinuationType.Blob);
CommonUtils.AssertNotNull("options", options);
if (!options.UseFlatBlobListing
&& (options.BlobListingDetails & BlobListingDetails.Snapshots) == BlobListingDetails.Snapshots)
{
throw new ArgumentException(SR.ListSnapshotsWithDelimiterError, "options");
}
var delimiter = options.UseFlatBlobListing ? null : this.ServiceClient.DefaultDelimiter;
var listingContext = new BlobListingContext(
prefix, pagination.GetNextRequestPageSize(), delimiter, options.BlobListingDetails)
{
Marker = continuationToken != null ? continuationToken.NextMarker : null
};
var blobList = new List<IListBlobItem>();
var request = ProtocolHelper.GetWebRequest(
this.ServiceClient,
options,
timeout => BlobRequest.List(this.TransformedAddress, timeout, listingContext));
this.ServiceClient.Credentials.SignRequest(request);
var listTask = request.GetResponseAsyncWithTimeout(this.ServiceClient, options.Timeout);
yield return listTask;
string nextMarker;
using (var response = listTask.Result as HttpWebResponse)
{
var listBlobResponse = BlobResponse.List(response);
blobList.AddRange(
listBlobResponse.Blobs.Select(
item => CloudBlobClient.SelectProtocolResponse(item, this.ServiceClient, this)));
nextMarker = listBlobResponse.NextMarker;
}
var newContinuationToken = new ResultContinuation
{
NextMarker = nextMarker, Type = ResultContinuation.ContinuationType.Blob
};
ResultSegment.CreateResultSegment(
setResult,
blobList,
newContinuationToken,
pagination,
options.RetryPolicy,
(paginationArg, continuationArg, resultSegmentArg) =>
this.ListBlobsImplCore(prefix, options, continuationArg, paginationArg, resultSegmentArg));
}
