private HttpUri getUriForSharedSignatureService(AzureStrategyContext context) {
    HttpUri uri = new HttpUri(authenticationToken.getSharedAccessSignatureServicePath());
    uri.addParameterWithoutEncoding("IncrementalSeed", Long.toString(new Date().getTime()));

    AzureOperation operation = context.getOperation();
    switch (operation) {
      case GetBlob:
      case GetBlobMetadata:
      case GetBlobProperties:
      case GetBlockList:
      case GetPageRegions:
      case PutPage:
        uri.appendPath("/blob");
        break;

      default:
        uri.appendPath("/container");
        break;
    }

    return uri;
  }
  @Override
  protected HttpUri getPath(AzureStrategyContext context) throws Exception {

    AzureOperation operation = context.getOperation();
    String blobName = context.getBlobName();
    String blockId = context.getBlockId();
    String delimiter = context.getDelimiter();
    Set<EnumerationFilter> enumerationFilter = context.getEnumerationFilter();
    String marker = context.getMarker();
    int maxResults = context.getMaxResults();
    String prefix = context.getPrefix();
    String snapshot = context.getSnapshot();
    SharedSignatureServiceResponse sssResponse = getSssResponse(context);
    HttpUri uri = null;

    switch (operation) {
      case DeleteBlob:
        uri = sssResponse.getAnyUri();
        uri.appendPath("/" + blobName);
        if (snapshot != null) uri.addParameterWithoutEncoding("snapshot", snapshot);
        break;

      case GetBlob:
      case GetBlobProperties:
        uri = sssResponse.getBlobCollection().getUriForBlob(blobName);
        if (snapshot != null) uri.addParameterWithoutEncoding("snapshot", snapshot);
        break;

      case GetBlobMetadata:
        uri = sssResponse.getBlobCollection().getUriForBlob(blobName);
        uri.addParameterWithoutEncoding("comp", "metadata");
        if (snapshot != null) uri.addParameterWithoutEncoding("snapshot", snapshot);
        break;

      case GetBlockList:
        uri = sssResponse.getBlobCollection().getUriForBlob(blobName);
        uri.addParameterWithoutEncoding("comp", "blocklist");
        if (snapshot != null) uri.addParameterWithoutEncoding("snapshot", snapshot);
        uri.addParameterWithoutEncoding("blocklisttype", "all");
        break;

      case LeaseBlob:
        uri = sssResponse.getAnyUri();
        uri.addParameterWithoutEncoding("comp", "lease");
        break;

      case ListBlobs:
        uri = sssResponse.getAnyUri();
        uri.addParameterWithoutEncoding("restype", "container");
        uri.addParameterWithoutEncoding("comp", "list");
        if (!Util.isStringNullOrEmpty(prefix)) uri.addParameterWithoutEncoding("prefix", prefix);
        if (!Util.isStringNullOrEmpty(delimiter))
          uri.addParameterWithoutEncoding("delimiter", delimiter);
        if (!Util.isStringNullOrEmpty(marker)) uri.addParameterWithoutEncoding("marker", marker);
        uri.addParameterWithoutEncoding("maxresults", Integer.toString(maxResults));
        if (enumerationFilter != null)
          uri.addParameterWithoutEncoding("include", EnumerationFilter.toString(enumerationFilter));
        break;

      case PutBlob:
        uri = sssResponse.getAnyUri();
        uri.appendPath("/" + blobName);
        break;

      case PutBlock:
        uri = sssResponse.getAnyUri();
        uri.addParameterWithoutEncoding("comp", "block");
        uri.addParameterWithoutEncoding("blockid", blockId);
        break;

      case PutBlockList:
        uri = sssResponse.getAnyUri();
        uri.addParameterWithoutEncoding("comp", "blocklist");
        break;

      case SetBlobMetadata:
        uri = sssResponse.getAnyUri();
        uri.appendPath("/" + blobName);
        uri.addParameterWithoutEncoding("comp", "metadata");
        break;

      case SetBlobProperties:
        uri = sssResponse.getAnyUri();
        uri.appendPath("/" + blobName);
        uri.addParameterWithoutEncoding("comp", "properties");
        break;

      case SnapshotBlob:
        uri = sssResponse.getAnyUri();
        uri.addParameterWithoutEncoding("comp", "snapshot");
        break;

      default:
        throw new Exception("Missing case for operation " + operation);
    }

    return uri;
  }