Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/6189#discussion_r197070198
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/rest/RestClient.java ---
@@ -212,6 +271,86 @@ public void shutdown(Time timeout) {
executor);
}
+ private interface RequestProcessor<T> {
+ T createRequest(HttpRequest request, ByteBuf jsonPayload)
throws IOException;
+
+ void writeRequest(T body, Channel channel) throws IOException;
+ }
+
+ private static final class DefaultProcessor implements
RequestProcessor<HttpRequest> {
+
+ @Override
+ public HttpRequest createRequest(HttpRequest request, ByteBuf
jsonPayload) throws IOException {
+ return request;
+ }
+
+ @Override
+ public void writeRequest(HttpRequest body, Channel channel)
throws IOException {
+ channel.writeAndFlush(body);
+ }
+ }
+
+ private static final class MultipartProcessor implements
RequestProcessor<HttpPostRequestEncoder> {
+
+ private final Collection<FileUpload> fileUploads;
+
+ MultipartProcessor(Collection<FileUpload> fileUploads) {
+ this.fileUploads = fileUploads;
+ }
+
+ @Override
+ public HttpPostRequestEncoder createRequest(HttpRequest
httpRequest, ByteBuf jsonPayload) throws IOException {
--- End diff --
Move this method out to `RestClient` to generate the
`HttpPostRequestEncoder` with which we then create a `MultipartRequest`
instance.
---