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* INT-4523: Add DSL `convert(Class<> cls)` operator JIRA: https://jira.spring.io/browse/INT-4523 * Change the `LambdaMessageProcessor` to rely on the `MessageConverter` populated by the `IntegrationContextUtils.ARGUMENT_RESOLVER_MESSAGE_CONVERTER_BEAN_NAME` This way all the Lambda-based handlers are going to work the same way as POJO-based via `MessagingMethodInvokerHelper` * Add `convert(Class<P> payloadType)` EIP-operator to perform similar to POJO-based method invocation argument conversion * * Fix `LambdaMessageProcessorTests` to inject a `ConfigurableCompositeMessageConverter` from the mocked `BeanFactory` * Make a `mappingJackson2MessageConverter.setStrictContentTypeMatch(true)` * Also obtain an `ObjectMapper` from the `Jackson2JsonObjectMapper` which is configured with the scanned possible Jackson modules. in the `ConfigurableCompositeMessageConverter` do not try to convert all the potential content without an appropriate JSON content-type header
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