Is it a Tomcat, or the Elephant in the Room?

Engineering | Rod Johnson | December 24, 2007 | ...

Sometimes important changes sneak up. Such changes aren't driven by marketing campaigns, but by many individual decisions; there's no fanfare; by the time they're observed, they have surprising momentum. I mentioned one such development in my opening keynote at the recent Spring Experience conference: the steady rise of Tomcat.

Recently we've begun running polls on SpringFramework.org, and some of the results are interesting. The question Which application server(s) do you use? produced the following results: BEA WebLogic (various versions) and JBoss AS shared first place among Java EE app…

Spring Integration Samples

Engineering | Mark Fisher | December 21, 2007 | ...

In my recent post, I had mentioned that the Subversion repository for Spring Integration would be publicly accessible soon, and I'm pleased to provide that link now. You can checkout the project with the following command:

svn co https://anonsvn.springframework.org/svn/spring-integration/base/trunk spring-integration

If the checkout is successful, you should see the following directory structure:

spring-integration/
  +--build-spring-integration/
  +--spring-build/
  +--spring-integration-core/
  +--spring-integration-samples/

I would like to take this opportunity to walk through a couple of…

Spring Integration: a new addition to the Spring portfolio

Engineering | Mark Fisher | December 14, 2007 | ...

Yesterday morning I presented a 2-part session at The Spring Experience entitled "Enterprise Integration Patterns with Spring". The first presentation included an overview of core Spring support for enterprise integration - including JMS, remoting, JMX, scheduling, and email. That presentation also included a high-level discussion of several of the Enterprise Integration Patterns introduced in the book of the same name by Gregor Hohpe and Bobby Woolf. In the second presentation, I officially unveiled "Spring Integration" - a new addition to the Spring portfolio. Spring Integration builds upon…

What's New in Spring Security 2?

Engineering | Ben Alex | December 06, 2007 | ...

I was cruising the blogosphere today and encountered one of the shortest blogs I've ever read. To quote nearly the entire entry, "Every time you use Acegi, a fairy dies. The sad thing is there really isn't anything better around...".

Between our community forums, developer lists, JIRA, user conference BOFs, training, support, consulting and team blog, we receive a great deal of community feedback. There is little doubt that many people have sought improvements to the Spring Security (formerly Acegi) configuration format, and we've invested a lot of time in making that possible.

As I'll be presenting at next week's Spring Experience conference, Spring Security 2.0.0 M1 features tremendously simplified configuration. You will now be able to add Spring Security to your…

Spring Dynamic Language Support and a Groovy DSL

Engineering | Dave Syer | November 29, 2007 | ...

Since the introduction of Spring dynamic laguage support in Spring 2.0 it has been an attractive integration point for Groovy, and Groovy provides a rich environment for defining Domain Specific Languages (DSL). But the examples of Groovy integration in the Spring reference manual are limited in scope and do not show the features in Spring that are targeted at DSL integration. In this article I show how to use those features and as an example we add bean definitions to an existing ApplicationContext with a Groovy DSL from the Grails distribution.

Groovy Beans

The basic features of Spring dynamic language integration are exposed in the "lang" namespace in XML. The most straightforward thing you can do is to defined a Spring component as a Groovy bean, in a separate file or inline in the XML. This feature is covered in the Spring reference guide (http://static.springframework.org/spring/docs/2.5.x/reference/index.html

Spring Framework Maven Artifacts

Engineering | Ben Hale | November 26, 2007 | ...

By popular demand, the Spring Framework Maven artifacts are now being uploaded to the Spring Snapshot Maven Repository. You can find details about all of the Spring Portfolio Maven repositories in my previous post but I'll reprint the details for the Spring snapshot repository here.

The Spring Snapshot Maven Repository is located at http://s3.amazonaws.com/maven.springframework.org/snapshot. Using this repository requires you to add an entry to the <repositories/> element in your POM. It should look like this:


<repository>
    <id>spring-snapshot</id>
    <name>Spring Portfolio Snapshot…

Interface21 becomes SpringSource

Engineering | Rod Johnson | November 19, 2007 | ...

We're changing our name. This week, Interface21 will become SpringSource.

As we have built the company, Interface21 has earned a reputation for exceptional products, thought leadership, outstanding people, professionalism and top quality support and services. As we continue to deliver all of those things, we believe that changing our name will help our company bring them to a wider audience.

When I founded Interface21 in 2004, I had to pick a name. I believed Spring to be the future of enterprise Java, and "Interface21" reflected those feelings—the framework for the 21st Century. Now we’re…

The Spring Web Flow 2.0 Vision

Engineering | Keith Donald | November 15, 2007 | ...

Spring Web Flow 2.0 M2 has just released. I am particularly excited about this release because it sets the foundation we need to realize the bold vision we have for our community for the future. In this entry, I'll explain what that vision is, and exactly what this foundation will enable. I'll also go into detail about the architecture of Web Flow 2.0, and compare it to the 1.0 version.

The Spring Web Flow 2.0 Vision

The goal of 2.0 is to evolve Spring Web Flow as a controlled navigation engine to offer significantly improved support for JavaServerFaces, flow managed persistence, and asynchronous event handling (Ajax) natively. The new Spring Faces project will build on Web Flow 2.0 to provide first-class support for JSF views in a Spring environment. In addition, Web Flow will continue to provide first-class support for Spring MVC-based views, allowing native JSF and MVC views to be used to full-power, even in the same application if desired.

* UPDATE: The vision above was updated on 1/11/08 after considering large amounts of feedback from the Spring community since The Spring Experience 2007. Based on that feedback, Spring Web Flow 2.…

Annotated Web MVC Controllers in Spring 2.5

Engineering | Juergen Hoeller | November 14, 2007 | ...

Spring 2.5 introduces an approach for writing annotated Web MVC controllers, which we haven't been blogging about much yet... I'll take the opportunity to give you an overview of what Spring MVC is really about these days.

Spring MVC is essentially a request dispatcher framework, with a Servlet API variant and Portlet API variant. It operates very closely within its hosting environment - either Servlets or Portlets. Think about Spring MVC as providing foundational facilities and conveniences on top of the Servlet/Portlet container: e.g. flexible request mappings, separation between controller…

Download the \"Spring in Production\" white paper

Engineering | Adrian Colyer | November 09, 2007 | ...

We recently hosted a webinar on the theme of "Spring in Production." I promised then to make the recording of the webinar and accompanying slides available on our website. Unfortunately the engineers producing the webinar for us forgot to set the 'record' flag, so I need to re-record the session for you :(. I'm traveling at the moment but I'll try to do that and make it available as soon as I can.

The good news is that there's no need for you to miss out in the meantime. I wrote a white paper on the topic of "Spring in Production" that covers the material from the webinar and more besides…

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