Reuse PartBodyStreamStorageFactory in SynchronossPartGenerator

Issue: SPR-16727

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

@@ -32,11 +32,13 @@ import java.util.Optional;
 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 class SynchronossPartHttpMessageReader implements HttpMessageReader<Part>
 	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));
 	}
 
 
@@ -112,10 +116,14 @@ public class SynchronossPartHttpMessageReader implements HttpMessageReader<Part>
 
 		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 class SynchronossPartHttpMessageReader implements HttpMessageReader<Part>
 			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()];