Files
Artem Bilan 7e52f35ef1 GH-3238: Fix Unmarshaller to close File resource
Fixes https://github.com/spring-projects/spring-integration/issues/3238

* Extract an `InputStream` from a `File` payload in the `UnmarshallingTransformer`
before parsing an XML.
Close this `InputStream` in the `finally` block to release the file resource

**Cherry-pick to 5.2.x, 5.1.x & 4.3.x**
2020-04-02 17:27:37 -04:00
..