microsoft-azure-storage/src/com/microsoft/azure/storage/file/CloudFile.java
@DoesServiceRequest
    public final void download(final OutputStream outStream, final AccessCondition accessCondition,
            FileRequestOptions options, OperationContext opContext) throws StorageException {
        if (opContext == null) {
            opContext = new OperationContext();
        }

        opContext.initialize();
        options = FileRequestOptions.populateAndApplyDefaults(options, this.fileServiceClient);

        ExecutionEngine.executeWithRetry(this.fileServiceClient, this, this.downloadToStreamImpl(
                null /* fileOffset */, null /* length */, outStream, accessCondition, options, opContext), options
                .getRetryPolicyFactory(), opContext);
    }
@DoesServiceRequest
    public final void download(final OutputStream outStream, final AccessCondition accessCondition,
            FileRequestOptions options, OperationContext opContext) throws StorageException {
        if (opContext == null) {
            opContext = new OperationContext();
        }

        opContext.initialize();
        options = FileRequestOptions.populateAndApplyDefaults(options, this.fileServiceClient);

        ExecutionEngine.executeWithRetry(this.fileServiceClient, this, this.downloadToStreamImpl(
                null /* fileOffset */, null /* length */, outStream, accessCondition, options, opContext), options
                .getRetryPolicyFactory(), opContext);
    }
Downloads the contents of a file to a stream using the specified request options and operation context.

@param outStream
An <code>OutputStream</code> object that represents the target stream.
@param accessCondition
An {@link AccessCondition} object that represents the access conditions for the file.
@param options
A {@link FileRequestOptions} object that specifies any additional options for the request. Specifying
<code>null</code> will use the default request options from the associated service client (
{@link CloudFileClient}).
@param opContext
An {@link OperationContext} object that represents the context for the current operation. This object
is used to track requests to the storage service, and to provide additional runtime information about
the operation.
@throws StorageException
If a storage service error occurred.