470d6d880e
* INT-4397: Fix headers filtering for @Transformer JIRA: https://jira.spring.io/browse/INT-4397 The `AbstractMessageProcessingTransformer` doesn't honor a configured `notPropagatedHeaders` and copies all the request headers to the message to return * Add `setNotPropagatedHeaders()` into the `AbstractMessageProcessingTransformer` and implement there a logic to filter headers, similar to what we have in the `AbstractMessageProducingHandler` * Overrider `updateNotPropagatedHeaders()` in the `MessageTransformingHandler` to propagate `notPropagatedHeaders` to the `AbstractMessageProcessingTransformer` delegate * * Revert `final` for the `AbstractMessageProducingHandler.updateNotPropagatedHeaders()` * Override `addNotPropagatedHeaders()` for the `MessageTransformingHandler()` and populate `notPropagatedHeaders` into the target `AbstractMessageProcessingTransformer` from there * Also populate `notPropagatedHeaders` from the `AbstractMessageProcessingTransformer.doInit()` * Implement a `AbstractIntegrationMessageBuilder.filterAndCopyHeadersIfAbsent()` for a general logic to filter `notPropagatedHeaders` and copy the result headers set into the target message if they are absent * Use an new `filterAndCopyHeadersIfAbsent()` in the `AbstractMessageProducingHandler` and `AbstractMessageProcessingTransformer`to avoid code block duplication
Spring Integration 
Checking out and Building
To check out the project and build from source, do the following:
git clone git://github.com/spring-projects/spring-integration.git
cd spring-integration
./gradlew build
NOTE: While Spring Integration runs with Java SE 6 or higher, a Java 8 compiler is required to build the project.
If you encounter out of memory errors during the build, increase available heap and permgen for Gradle:
GRADLE_OPTS='-XX:MaxPermSize=1024m -Xmx1024m'
To build and install jars into your local Maven cache:
./gradlew install
To build api Javadoc (results will be in build/api):
./gradlew api
To build reference documentation (results will be in build/reference):
./gradlew reference
To build complete distribution including -dist, -docs, and -schema zip files (results will be in build/distributions)
./gradlew dist
Using Eclipse
To generate Eclipse metadata (.classpath and .project files), do the following:
./gradlew eclipse
Once complete, you may then import the projects into Eclipse as usual:
File -> Import -> Existing projects into workspace
Browse to the 'spring-integration' root directory. All projects should import free of errors.
Using IntelliJ IDEA
To generate IDEA metadata (.iml and .ipr files), do the following:
./gradlew idea
Resources
For more information, please visit the Spring Integration website at: http://projects.spring.io/spring-integration