Reuse PartBodyStreamStorageFactory in SynchronossPartGenerator

Issue: SPR-16727

Author: sdeleuze

spring-web/src/main/java/org/springframework/http/codec/multipart/SynchronossPartHttpMessageReader.java

@@ -32,11 +32,13 @@
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.function.Consumer;
 
+import org.synchronoss.cloud.nio.multipart.DefaultPartBodyStreamStorageFactory;
 import org.synchronoss.cloud.nio.multipart.Multipart;
 import org.synchronoss.cloud.nio.multipart.MultipartContext;
 import org.synchronoss.cloud.nio.multipart.MultipartUtils;
 import org.synchronoss.cloud.nio.multipart.NioMultipartParser;
 import org.synchronoss.cloud.nio.multipart.NioMultipartParserListener;
+import org.synchronoss.cloud.nio.multipart.PartBodyStreamStorageFactory;
 import org.synchronoss.cloud.nio.stream.storage.StreamStorage;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.FluxSink;
@@ -72,6 +74,8 @@ public class SynchronossPartHttpMessageReader implements HttpMessageReader<Part>
 
 	private final DataBufferFactory bufferFactory = new DefaultDataBufferFactory();
 
+	private final PartBodyStreamStorageFactory streamStorageFactory = new DefaultPartBodyStreamStorageFactory();
+
 
 	@Override
 	public List<MediaType> getReadableMediaTypes() {
@@ -89,7 +93,7 @@ public boolean canRead(ResolvableType elementType, @Nullable MediaType mediaType
 	public Flux<Part> read(ResolvableType elementType, ReactiveHttpInputMessage message,
 			Map<String, Object> hints) {
 
-		return Flux.create(new SynchronossPartGenerator(message, this.bufferFactory));
+		return Flux.create(new SynchronossPartGenerator(message, this.bufferFactory, this.streamStorageFactory));
 	}
 
 
@@ -111,11 +115,15 @@ private static class SynchronossPartGenerator implements Consumer<FluxSink<Part>
 		private final ReactiveHttpInputMessage inputMessage;
 
 		private final DataBufferFactory bufferFactory;
+		
+		private final PartBodyStreamStorageFactory streamStorageFactory;
 
 
-		SynchronossPartGenerator(ReactiveHttpInputMessage inputMessage, DataBufferFactory factory) {
+		SynchronossPartGenerator(ReactiveHttpInputMessage inputMessage, DataBufferFactory bufferFactory,
+				PartBodyStreamStorageFactory streamStorageFactory) {
 			this.inputMessage = inputMessage;
-			this.bufferFactory = factory;
+			this.bufferFactory = bufferFactory;
+			this.streamStorageFactory = streamStorageFactory;
 		}
 
 
@@ -130,7 +138,10 @@ public void accept(FluxSink<Part> emitter) {
 			MultipartContext context = new MultipartContext(mediaType.toString(), length, charset.name());
 
 			NioMultipartParserListener listener = new FluxSinkAdapterListener(emitter, this.bufferFactory, context);
-			NioMultipartParser parser = Multipart.multipart(context).forNIO(listener);
+			NioMultipartParser parser = Multipart
+					.multipart(context)
+					.usePartBodyStreamStorageFactory(streamStorageFactory)
+					.forNIO(listener);
 
 			this.inputMessage.getBody().subscribe(buffer -> {
 				byte[] resultBytes = new byte[buffer.readableByteCount()];