Gary Russell a2d1edfbb9 GH-3488: Fix Persistent Filters with Recursion
Resolves https://github.com/spring-projects/spring-integration/issues/3488

Resolves two problems:

- When changes are made deep in the directory tree, they were not detected because
  the directory is in the metadata store and only passes the filter if a file
  immediately under it is changed, changing the directory's timestamp.

This is solved by subclassing `AbstractDirectoryAwareFileListFilter`, allowing its
`alwaysAcceptDirectories` property to be set.

- Only the filename was used as a metadata key; causing problems if a file with the
  same name appears multiple times in the tree.

This is solved with a new property on `AbstractDirectoryAwareFileListFilter` used by
the gateways to determine whether to filter the raw file names returned by the session
(previous behavior) or the full path relative to the root directory.

**cherry-pick to 5.4.x, 5.3.x**

* Some code style clean up

# Conflicts:
#	spring-integration-file/src/main/java/org/springframework/integration/file/remote/gateway/AbstractRemoteFileOutboundGateway.java
#	src/reference/asciidoc/whats-new.adoc
2021-02-05 16:53:57 -05:00
2016-06-04 10:40:57 -04:00
2019-07-31 14:22:10 -04:00

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