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A community member was a little unclear on the role of Spring Integration adapters, gateways, and channels. I put together a response and thought I'd share it here, too. Here's my response:

A reader recently protested that he felt he had to use Maven. I put together a reply that I've extracted here for this blog post.

This last week I've been in Paris, France talking to developers about Spring 4 and Spring Boot. I landed on Sunday, gave myself a day to recover from any jet lag. The jetlag sorted itself off within a few days but left me very, very tired the day of a my webinar for the SpringSourceDev YouTube channel. When we on the Spring team give webinars, we do two of them - one for those in Europe and the middle-east and another for north America. The hope is that this presents an opportunity for developers around the world to join the fun. So, as usual, I tested the hotel Wi-Fi's strength by conducting a Skype video call and a Google+ hangout. Worked fine. 16:00 CEST rolls around and I connect to do the first webinar, say a few words and then - (gasp!) - silence! I was disconnected! I called downstairs and asked what happened: they were changing ISPs! You could've knocked me down with a feather. I was about to address a lot of people and here the hotel's decided to switch ISPs! I ran down the hallway, descended and implored whoever could help to please help me. The lobby had a separate network, so I connected and presented my first webinar in the middle of a Marriot lobby as people walked by, talking, laughing, screaming. Amazing. Quel cauchmar!

Just wanted to wish everyone a happy and healthy new year. I hope you spent it with family and friends, and maybe a good piece of code on your mind.

Spring Boot is a super impressive way to get started. Check out the various Getting Started guides for more on Spring Boot itself. Spring Boot exposes great metadata about the application from HTTP when you depend on the spring-boot-starter-actuator.

Welcome to another installment of This Week in Spring! This week I'm in Malmo, Sweden at the fantastic Øredev conference, talking to developers about Spring, Cloud Foundry, and more! I'll be at JMaghreb next week and then at Devoxx 2013 where I'll be talking to developers about Spring, Cloud Foundry, RabbitMQ and more along with my pals Dr. Dave Syer, Alvaro Videla, and Andy Piper. Looking forward to seeing you at any of these places! Ping me on Twitter (@starbuxman) if you want to talk Spring, the cloud, big data and anyting else!

Josh (@starbuxman) has been the first Spring Developer Advocate since 2010. Josh is a Java Champion, author of 7 books (including "Reactive Spring") and numerous best-selling video training (including "Building Microservices with Spring Boot Livelessons" with Spring Boot co-founder Phil Webb), and an open-source contributor (Spring Boot, Spring Integration, Axon, Spring Cloud, Activiti, Vaadin, etc), a Youtuber (Coffee + Software with Josh Long as well as my Spring Tips series ), and a podcaster ("A Bootiful Podcast").

Spring 4 will see some core types in Spring Integration be promoted to the core Spring framework. These types - in a new spring-messaging module - deal with common messaging idioms like a message (org.springframework.messaging.Message), a message channel (org.springframework.messaging.MessageChannel) and message headers (org.springframework.messaging.MessageHeaders)

I really enjoyed GridGain CEO Nikita Ivanov's post on Four Myths of In-Memory Computing. He nicely explains some of the applications of in-memory computing. While all his points were good, I was really happy to see him touch on stream processing as a use case.

Roy Clarkson (@royclarkson) and I gave a talk at SpringOne2GX 2013 in which we talked about building REST services with an eye towards consuming those services on mobile platforms like Android and iOS. This talk demonstrates the progressive evolution of an application using Spring MVC, Spring HATEOAS, Spring Data REST, Spring Security, Spring Security OAuth, and Spring Android. The code's benefited from a lot of help from Rob Winch.

Roy Clarkson (@royclarkson) and I gave a talk at SpringOne2GX 2013 in which we talked about building REST services with an eye towards consuming those services on mobile platforms like Android and iOS. This talk demonstrates the progressive evolution of an application using Spring MVC, Spring HATEOAS, Spring Data REST, Spring Security, Spring Security OAuth, and Spring Android. The code's benefited from a lot of help from Rob Winch,

Have you booked your tickets for SpringOne2GX? This year's show is a special one. In my work as the Spring Developer Advocate, I speak at many conferences all around the world. Ask any developer with a pulse, and they'll confirm that big data (and Hadoop), reactive web applications, REST, mobile application development, and cloud computing are sizzling hot topics today. Pivotal, and Spring, support today's developers, and SpringOne2GX's agenda represents in my estimation the perfect blend of content for today's developers. Check out the agenda. We've just recently added talks on big data, and REST service security with OAuth. This will be our first show under Pivotal, and it's the only place where you can talk to the developers working on the technologies you care about both at SpringSource and in the community. As you know, we've just announced our Cloud Foundry conference, Platform, and SpringOne2GX full pass ticket holders may register for that show - which is at the same venue as SpringOne2GX just two days earlier - for free! If I had to pay for just one show a year, this would be that show. Hurry the early bird rate expires this friday!