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  • Improving Performance of Healthcare Systems with Service Oriented Architecture

    This article, based on a chapter from the book "Service Oriented Architecture Demystified", discusses the benefits of applying SOA to heterogenous environments in the healthcare domain. Focusing on a domain instead of technology perspective first provides an interesting view on the business motivation for SOA.

  • Open Source WS Stacks for Java - Design Goals and Philosophy

    InfoQ's Stefan Tilkov questioned lead developers of Apache Axis2, Apache CXF, Spring Web Services, JBossWS and and Sun’s Metro about their design goals, their approach towards Java and Web services standards, data binding, accessing XML, interoperability, REST support, and framework maturity. The results revealed many similarities and some noteworthy differences.

  • Unit-Testing XML

    There are many occasions where software creates XML output: XML documents are used for data interchange between different applications, web application create (X)HTML output or respond to AJAX requests with XML, and this has to be tested as much as anything else. In this article, Stefan Bodewig explains how to perform those tests with the XMLUnit framework he has co-authored.

  • Using Java to Crack Office 2007

    Office file manipulation used to be difficult, but since Office 2007, Word, Excel and Powerpoint files can be read and written without anything more complicated than the native JDK itself because Office 2007 documents are now nothing more than ZIP files of XML documents. Ted Neward demonstrates this in action.

  • Interview: Frank Cohen on FastSOA

    InfoQ today publishes a one-chapter excerpt from Frank Cohen's book "FastSOA". On this occasion, InfoQ had a chance to talk to Frank Cohen, creator of the FastSOA methodology, about the issues when trying to process XML messages, scalability, using XQuery in the middle tier, and document-object-relational-mapping.

  • Versatile RESTful APIs Beyond XML

    The world of RESTful resources that Rails firmly entered with version 1.2 naturally uses XML as its lingua franca. But there's no reason that it can't be multi-lingual, and thanks to the versatility of rails it's easy to support other standards alongside XML in our RESTful applications, potentially opening them up to a wider audience and/or reducing their bandwidth requirements.

  • 10 Principles of SOA

    In this article, InfoQ's Stefan Tilkov, consultant at innoQ, proposes 10 principles to serve as a basis for SOA discussions. The list starts with Don Box's four tenets (service with explicit boundaries, shared contract and schema, policy-driven, and autonomous) and expands them to include wire formats, document orientation, loose coupling, standards compliance, vendor independence, and metadata.

  • Arjen Poutsma on Spring Web Services

    InfoQ's Stefan Tilkov talks to Spring Web Services creator Arjen Poutsma about Spring's Java Web services stack and the different approach it has to building Java Web services. Topics covered include the reason for yet another WS framework, advantages of contract-first, document-driven Web services, JAX-WS, and REST.

  • Simple JAVA and .NET SOA interoperability

    .NET and Java interop can be made really simple using a REST documentcentric approach. This article compares a REST and SOAP approach to interop as well as the advantages of using HTTP POST vs. GET for REST invocations.

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