FileUpload.uploadToBlobAsync(String blobName, InputStream inputStream, long streamLength, IotHubEventCallback statusCallback, Object statusCallbackContext) 方法
定义
Upload the file to container, which was associated to the iothub. This function will start the upload process, and back the execution to the caller. The upload process will be executed in background. When it is completed, the background thread will trigger the callback with the upload status.
public synchronized void uploadToBlobAsync(String blobName, InputStream inputStream, long streamLength, IotHubEventCallback statusCallback, Object statusCallbackContext)参数
- blobName
- String
is the name of the file in the container.
- inputStream
- InputStream
is the input stream.
- streamLength
- long
is the stream length.
- statusCallback
- IotHubEventCallback
is the callback to notify that the upload is completed (with status).
- statusCallbackContext
- Object
is the context of the callback, allowing multiple uploads in parallel.
返回
例外
if one of the parameters is invalid. blobName isnull
</code> or empty, inputStream is<code>null
</code> or not available, streamLength is negative, statusCallback is<code>null
</code></p>
if an I/O error occurs in the inputStream.