Previously, a temporary .writing file could be found and an attempt made to
access its contents. If the temporary file was deleted between it being found
and its contents being read, the test would fail with a FileNotFoundException.
This commit updates the test to ignore .writing files so that it will only
examine the contents of the final file once Integration has finished
writing it an atomically moved it to its final location.
When the context is closed, FileWritingMessageHandler is stopped and
it closes its output files. However, it appears to do so in a manner
which means that they may be closed after the call to close the
context is completed. This causes problems on Windows as files that
are still open cannot be deleted.
This commit adds a workaround to SampleIntegrationApplicationTests
so that it makes up to 10 attempts each 0.5s apart to clean up the
input and output directories.
This commit streamlines the Integration Starter by removing the file
http, ip, and stream modules as they are not always used by a majority
of apps that use Spring Integration and can also pull in other, unwanted
dependencies.
Additionally, a dependency on spring-integration-java-dsl has been
added. This makes it easy for users to configure Spring Integration
using Java configuration (the recommended approach), rather than via
XML. The Integration sample has been updated to use the DSL. Further
improvements could be made once the sample is using Java 8.
Closes gh-5528
Andy Wilkinson
Madhura Bhave
Phillip Webb
Spring Buildmaster
Stephane Nicoll