Java 8 in Enterprise Projects

News | Juergen Hoeller | March 21, 2014 | ...

With the GA release of Java 8 finally having arrived this week, let's all rejoice and celebrate - and then wake up and wonder how to introduce this to our everyday work environments...

This is easy enough to do for prototyping purposes: grab a JDK 8 download, IntelliJ IDEA or Eclipse's recently completed Java 8 support, and off you go. The challenging part comes a step later: You need to figure out how to deploy your app to a Java 8 enabled environment.

Of course, in practice, that consideration probably comes much earlier: Before you're willing or allowed to try Java 8, you need to have a…

Manning Publications: First class functions in Java 8

News | Pieter Humphrey | March 20, 2014 | ...

Java developers have heard a lot about functional-style programming - particularly with Java 8's addition of lambda expressions.

"First-class functions in Java 8" is a 12 minute video tutorial from Java 8 in Action: Lambdas, Streams, and functional-style programming by Raoul-Gabriel Urma, Mario Fusco and Alan Mycroft.

This video introduces method references and lambda expressions, the mechanisms Java 8 provides to pass a behavior as an argument to a method.

To save 38% on this or any other Manning books, just enter vturma01 in the Promotional Code box when you check out at manning.com.

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While the term "lambda expression" may sound abstract and academic, Java 8 Lambdas can have a big impact on how you program every day. In simplest terms, a lambda expression is a function—a bit of code—that you can pass to another method as an argument. Thus, you can cope with changing requirements by using a behavior, represented by a lambda, as a parameter. Java 8's functional programming features, like lambdas and the new Stream API that enables a cleaner way to iterate through collections, can help you write concise, maintainable code that scales easily and performs well on multicore architectures. Java 8 in Action is a clearly-written guide to Java 8 lambdas and functional programming in Java. It begins with a practical introduction to the structure and benefits of lambda expressions in real-world Java code. The book then introduces the Stream API and shows how it can make collections-related code radically easier to understand and maintain. Along the way, you'll discover new FP-oriented design patterns with Java 8 for code reuse, code readability, exception handling, data manipulation, and concurrency. For developers also exploring other functional languages on the JVM, the book concludes with a quick survey of useful functional features in Scala and Clojure.

Introducing Spring Test MVC HtmlUnit

Engineering | Rob Winch | March 19, 2014 | ...

On Monday I announced the release of the first milestone of Spring Test MVC HtmlUnit with the promise of a blog series that would introduce it. This is the first of a four part blog series introducing Spring Test MVC HtmlUnit. The series outline can be seen below:

  • In this first post we will explore the motivation behind Spring Test MVC HtmlUnit.
  • The second post will demonstrate how we can integrate Spring MVC Test and HtmlUnit.
  • Our third post will demonstrate how we can integrate Spring MVC Test with WebDriver.
  • Finally, we will demonstrate how we can integrate Spring MVC Test with Geb.

Why…

This Week in Spring, Java 8 Edition - March 18th, 2014

Engineering | Josh Long | March 18, 2014 | ...

Welcome to another installment of This Week in Spring!

Today, Oracle released Java 8 and all its many wonderful features at EclipseCon. Java 8 is finally here! Be sure to grab your JDK today.

There are lots of fine features - like lambas - that enhance Spring application development. To learn more, be sure to check out Spring project lead Juergen Hoeller's webinar on the 25th of March on the subject of Spring 4 and Java 8. I'll be there!

As usual, we've got a lot to cover so let's get to it.

  1. InfoQ has posted a very nice article introducing Spring Boot today by Dan Woods. Dan does a very good job, I'd recommend it.

SpringOne2GX 2013 Replay: Multi Environment Spring Applications

News | Pieter Humphrey | March 18, 2014 | ...

Recorded at SpringOne2GX 2013 in Santa Clara, CA

Speaker: Josh Long (Pivotal) and Kevin Nilson (Google)

It'd be nice to assume everything remains the same from one environment to another, but the realities of today's deployment targets (clouds, app servers, etc.) make this difficult. An application may target one in-memory database in development and target a traditional database in production. A/B testing is a common practice that lets you incrementally expose potentially high risk features. Feature switches can be invaluable; should something go wrong, you can revert to a known state. All of these use cases, and more, can be handled using the Spring framework. Join JavaOne Rock Star and Java Champion Kevin Nilson and Spring Developer Advocate Josh Long for a look at how you can run your application in differing environments using the Spring Framework.

Learn more about Spring at http://www.spring.io

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SpringOne2GX 2013 Replay: Building Smart Clients with Spring

News | Pieter Humphrey | March 18, 2014 | ...

Recorded at SpringOne2GX 2013, in Santa Clara, CA

Speakers: Roy Clarkson and Josh Long

No application is an island and this is more obvious today than ever as applications extend their reach into people's pockets, desktops, tablets, TVs, Blu-ray players and cars. What's a modern developer to do to support these many platforms? In this talk, join Josh Long to learn how Spring can extend your reach through (sometimes Spring Security OAuth-secured) RESTful services exposed through Spring MVC, HTML5 and client-specific rendering thanks to Spring Mobile, and powerful, native support for Android with Spring Android.

Learn more about Mobile and Spring at: http://projects.spring.io/spring-framework (Spring MVC + Spring MVC's REST impl)

http://projects.spring.io/spring-security-oauth

http://projects.spring.io/spring-hateoas

http://projects.spring.io/spring-mobile

http://projects.spring.io/spring-android

 

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SpringOne2GX 2013 Replay: Reactor - a foundation for asynchronous applications on the JVM

News | Pieter Humphrey | March 18, 2014 | ...

Recorded at SpringOne2GX 2013 in Santa Clara, CA.

Speakers: Jon Brisbin, Stephane Maldini Reactor was recently made public after a two-year incubation, evolving slowly alongside frameworks like Storm, Akka, Play, GPars or Vert.x. Integrated with Grails starting with version 2.3, Reactor takes the best ideas from several asynchronous toolsets and synthesizes them into a coherent framework that supports a variety of runtime topologies and makes it easy for developers to efficiently leverage their cloud or traditional hardware assets. Reactor is equally at home inside or outside a Spring ApplicationContext and also provides first-class Groovy support in the form of DSLs and language extensions. Special attention has been given to make Reactor easy enough to use to create single-file node.js-like applications, while maintaining a solid asynchronous toolset that works with Big and Fast Data tools like Gemfire, Spring Integration, and Spring Batch. This talk will give Reactor a proper introduction and show sample code that demonstrates the event-driven and composition-based nature of Reactor applications.

 

Learn more about Spring Framework 4.0 http://projects.spring.io/spring-framework

Learn more about Spring Boot http://projects.spring.io/spring-boot

Learn more about using CloudFoundry at: http://cloudfoundry.org/

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Spring Test MVC HtmlUnit 1.0.0.M1 Released

Releases | Rob Winch | March 17, 2014 | ...

I'm pleased to announce the first milestone release of Spring Test MVC HtmlUnit.

The project’s aim is to provide integration between Spring MVC Test and HtmlUnit. This simplifies performing end to end testing when using HTML based views.

Stay tuned to the Spring Blog for a mini blog series introducing this exciting new library. If you can't wait to get your feet wet, refer to the project's Getting Started section on GitHub.

Happy 25th Birthday, Web! or: Honoring the web by embracing It

Engineering | Josh Long | March 13, 2014 | ...

Yesterday, the 12th of March, 2014, was the 25th anniversary of Sir Tim Berner's Lee having invented the web. As he explains: "I just had to take the hypertext idea and connect it to the Transmission Control Protocol and domain name system ideas and—ta-da!—the World Wide Web." Elementary, really. (Hah!)

Pictured (taken from Wikimedia) is the original NeXT workstation (whose operating system , NeXT Step, underpins today's OS X and iOS design) on which Sir Tim Berners-Lee put together the initial HTTP service and client.

As an aside: I've always wondered what it would be like to be able to…

Spring Data Couchbase 1.0 GA Released

Releases | Oliver Drotbohm | March 13, 2014 | ...

On behalf of Michael Nitschinger, I'm happy to announce the 1.0 GA release of the Couchbase Spring Data module.

Between the last release candidate and the final release, several bugs have been fixed and new features have been added. Notable additions are the support for custom converters, JSR-303 Validation support and built-in support for temporal objects like Dates, Calendars and similar JodaTime variants.

The release artifacts are available via Maven Central. You can find the reference documentation, JavaDoc and a change log at the usual expected places.

From now on, the Couchbase module will be part of the official Spring Data release trains, starting with Dijkstra. Now that the first GA release is out of the door, we will put…

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