InfoQ Homepage Java Content on InfoQ
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John Heintz on Adding Behavior to Java Annotations
Custom annotations are a great way to add common reusable behavior to Java applications. John Heintz from New Aspects discussed at the recent No Fluff Just Stuff (NFJS) Java Symposium, the design techniques for adding behavior to Java Annotations.
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Article: Developing Portlets using JSF, Ajax, and Seam (Part 1 of 3)
This article, the first in a three-part series by Wesley Hales, lays the framework for the rest of the series. It covers setting up a new project using JBoss Portlet Container and JBoss Portlet Bridge, configuring a JSF application to use JBoss Portlet Bridge, and the capabilities that JBoss Portlet Bridge provides to a JSF application.
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Comparing Virtual Machine Interfaces
Andrew John Hughes, one of the OpenJDK Innovators' Challenge finalists, has posted a multi-part comparison of the interface between OpenJDK, GNU Classpath, and their respective virtual machine implementations.
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The Challenges in Java Benchmarking
Brent Boyer posted an article on IBM's DeveloperWorks that discusses the challenges in Java benchmarking and introduces a Java benchmarking framework.
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Open source workflow engines compared: jBPM, OpenWFE and Enhydra Shark
A new report looks at how open source workflow engines jBPM, OpenWFE and Enhydra Shark compare in support of standard Workflow Patterns, including how they stack up against their closed source alternatives Staffware, WebSphere MQ and Oracle BPEL PM.
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Robert Bell on Java and Silverlight Interop
Robert Bell, Microsoft Solution Architect, introduces interoperability scenarios for using Silverlight from Java and provides architectural guidance using sample code snippets.
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XHTML 2 and HTML 5 continue to diverge
These two specs have quite different purposes and solve two distinct problems. XHTML 2 is document-centric. HTML 5 is targeted at sites that aren't best represented by a document. Both are supported by the W3C. Is another standards war brewing?
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Jason Van Zyl Discusses Sonatype, The Eclipse Foundation and Maven
Sonatype, the main company which drives Maven development, recently announced that they are joining the Eclipse Foundation as a Strategic Developer. InfoQ spoke with Sonatype CTO and Maven founder Jazon Van Zyl to learn more about this partnership and what it means for the future of Maven.
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FXStruts: Developing Flex-Friendly Struts Application
Struts is a Java framework based on standard Java technologies, such as Java Servlet, JavaBean, ResourceBundles and XML. Java developers have been enjoying Struts as a solid server side framework for many years. Recently, a technical evangelist for Adobe Systems, Anirudh Sasikumar, developed a new solution by integrating Flex as Struts' front end. Sasikumar calls it FxStruts.
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Google Introduces GWT Overlay Types
Javascript Overlay Types is a new feature in GWT 1.5 that simplifies the process of interacting with native Javascript data structures in GWT applications.
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Java Pattern Framework Jt 2.6 Supports JtWizard and Enhancements to Jt Components
The latest version of Java pattern framework Jt supports JtWizard and enhancements to Jt Components. The Jt development team recently released version 2.6 of the open source pattern oriented framework. JtWizard can be used for generating Java applications based on design patterns including Gang Of Four, Data Access Object, Model-View-Controller and J2EE design patterns.
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Soltice Fuses the Power of Flex and OSGi
Over recent months, the Open Source Gateway Initiative (OSGi) has been gaining attention in the application server technology space. While OSGi makes application server products more modular and flexible, its adaptation in the rich Internet application (RIA) area is only getting started. Solstice is the first framework to integrate Flex and OSGi in a single out-of-the-box package.
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Versioning JPA Entities
Maintaining a historical view of database records has been a problem that has been solved before but not easily. Being able to restore entities to their previous versions including basic properties as well as their relationships is more than a trivial task. Recently Envers 1.0.0 GA was released, aiming to simplify JPA entity revisioning.
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New Open Source project provides Object Oriented data access
Kasper Sørensen has created a new open source project at eobjects.dk called MetaModel. The project is a common domain model, query engine, and optimizer for different types of datastores, such as relational databases and flat files. MetaModel is a Java library that provides a fluent, object-oriented interface for SQL compliant queries.
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JSR 277 Debate Renews Around Versioning
Debate has once again arisen in the community around JSR 277, which is a proposed dynamic module system for Java 7. The flashpoint of the debate this time around is the version numbering system that is planned for JSR 277 Java Modules (JAMs). InfoQ examined the discussions and arguments to understand more about the current state of JSR 277 and it's acceptance by the community.