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Message Driven Bean in Java EE 5 : Part 2

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In a previous post, I described how to implement Messaging in Java EE 5 using annotation. This post is an extension of that post to describe how to implement Messaging in Java EE 5 using a deployment descriptor. To implement this, you can use the same client that was described in the other post. The only change needed is in the MDB part. Here's how to implement a Message Driven bean using the deployment descriptor.... more »

Customize Acegi SecurityContext

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Acegi Security uses the SecurityContextHolder object to store details of the current security context of the application. The SecurityContext holds the details of the authenticated principal in an Authentication object. By default the SecurityContextHolder uses a ThreadLocal to store these details, so that they will be available all methods in the current thread of execution.In order to obtain the Principal, you would use the following line... more »

Java EE 5 on WebSphere

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While the next version of WAS (v7.0) with Java EE 5, is yet to be released, you can now test some of the features such as EJB 3.0 with WebSphere software early programs. The new features are available as feature packs for the current WebSphere Application Server (v6.1).... more »

EJB 3.1 - Significant Changes Sound Promising

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Being a big fan of the EJB 3.0 specification, I read this new EJB 3.1 New Features article published by Serverside right away. Clearly, the current EJB spec is much simpler to use and maintain than previous generations. Building upon that logic, the upcoming EJB 3.1 specification looks even better.... more »

The Java EE Application as an EJB/Spring/Hibernate Hybrid

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Java EE 5 provides all the features you need to build a robust enterprise application right in an EJB 3.0 container, but incorporating the relative strengths of Spring and Hibernate can further improve the productivity and quality of your application.... more »

Java EE 5: Power and productivity with less complexity

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Momentum for organizations to adopt Java Platform, Enterprise Edition 5 (Java EE 5) is steadily increasing as the platform's container support, developer tools, educational resources, and developer-community experience all improve. Get a high-level view of the new productivity features and API enhancements in Java EE 5 and work through a Web service example that demonstrates its simplified development models.... more »

Java EE meets Web 2.0

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Web 2.0 applications developed using standard Java Platform, Enterprise Edition 5 (Java EE)-based approaches face serious performance and scalability problems. The reason is that many principles that underlie the Java EE platform's design especially, the use of synchronous APIs don't apply to the requirements of Web 2.0 solutions. This article explains the disparity between the Java EE and Web 2.0 approaches, explores the benefits of asynchronous designs, and evaluates some solutions for developing asynchronous Web applications with the Java platform.... more »

Using Java Persistence API Within a Visual Web Application

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NetBeans IDE 6.0, the Visual Web tools, and Java Persistence API (JPA) give you greater flexibility for writing database-dependent applications.... more »

Restricting Access to Ajax Services

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This article highlights some techniques for restricting access to Ajax-based services. It then focuses on using URL-based API keys, which gives you fine-grained protection and allows you to track, meter, and restrict usage of a service.... more »

Sun Java EE Engine: Bridging Java EE Web Services and JBI Components

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Wondering how to bridge the gap between Java EE and JBI in a composite application deployed on GlassFish? The Sun Java EE Engine is the answer.... more »
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