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* INT-3045: Add in & out ZeroMq channel adapters JIRA: https://jira.spring.io/browse/INT-3045 * Add `ZeroMqMessageHandler` to produce messages into one-way ZeroMq sockets * Add `ZeroMqMessageProducer` to consumer messages from one-way ZeroMq sockets * Add `ConvertingBytesMessageMapper` impl for the `BytesMessageMapper` to delegate an actual conversion into the provided `MessageConverter` * Add `ZeroMqHeaders` for message headers constants representing ZeroMq message attributes * Fix `ZeroMqChannel` for the proper deferred `zeroMqProxy` evaluation * Add more JavaDocs * Fix `ZeroMqChannelTests.testPubSubBind()` to be sure that really all the subscribed channels get the same message from the `PUB` socket * * Fix typo in the `ConvertingBytesMessageMapper` * Add `this` for `doOnError()` in the `ZeroMqChannel` & `ZeroMqMessageProducer` * Change the bind logic in the `ZeroMqMessageProducer` to `port` and let it to bind to random port. The actual port is available later via `getBoundPort()` * Introduce a `ZeroMqMessageProducer.receiveRaw()` to let received `ZMsg` to be produce as a `payload` * Add a logic into `ZeroMqMessageHandler` to treat `ZMsg` in the payload of request message as is without any conversion * Fix race condition in the `ZeroMqMessageProducer` to destroy `consumerScheduler` when the main `Flux` is complete * * Add Java DSL for ZeroMq components * Extract `ReactiveMessageHandlerSpec` for `ReactiveMessageHandler` impls * Add debug message into `EmbeddedJsonHeadersMessageMapper` when cannot `decodeNativeFormat()` * Make `ReactiveMongoDbMessageHandlerSpec` extending `ReactiveMessageHandlerSpec` * Make `ZeroMqProxy` `autoStartup` by default * Add `ZeroMqDslTests` to cover all the Java DSL for ZeroMq * Introduce a `MimeTypeSerializer` to serialize a `MimeType` into JSON as a plain string; use it as extra serializer in the `JacksonJsonUtils.messagingAwareMapper()` * Fix typo for the `AllowListTypeResolverBuilder` inner class * * Add some docs * Fix Checkstyle violations * * More docs * Fix language in Docs Co-authored-by: Gary Russell <grussell@vmware.com> Co-authored-by: Gary Russell <grussell@vmware.com>
Spring Integration 
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Checking out and Building
To check out the project and build from the 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 an available heap and permgen for Gradle:
GRADLE_OPTS='-XX:MaxPermSize=1024m -Xmx1024m'
To build and install jars into your local Maven cache:
./gradlew publishToMavenLocal
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: https://projects.spring.io/spring-integration