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Apache CXF: An Open Source Service Framework

Overview

Apache CXF is an open source services framework. CXF helps you build and develop services using frontend programming APIs, like JAX-WS. These services can speak a variety of protocols such as SOAP, XML/HTTP, RESTful HTTP, or CORBA and work over a variety of transports such as HTTP, JMS or JBI.

CXF includes a broad feature set, but it is primarily focused on the following areas:

  • Web Services Standards Support: CXF supports a variety of web service standards including SOAP, the Basic Profile, WSDL, WS-Addressing, WS-Policy, WS-ReliableMessaging, and WS-Security.
  • Frontends: CXF supports a variety of "frontend" programming models. CXF implements the JAX-WS APIs (version 2.0 will be TCK compliant). It also includes a "simple frontend" which allows creation of clients and endpoints without annotations. CXF supports both contract first development with WSDL and code first development starting from Java.
  • Ease of use: CXF is designed to be intuitive and easy to use. There are simple APIs to quickly build code-first services, Maven plug-ins to make tooling integration easy, JAX-WS API support, Spring 2.0 XML support to make configuration a snap, and much more.
  • Binary and Legacy Protocol Support: CXF has been designed to provide a pluggable architecture that supports not only XML but also non-XML type bindings, such as JSON and CORBA, in combination with any type of transport.

To get started using CXF, check out the downloads, the user's guide, or the mailing lists to get more information!

Goals

General

  • High Performance
  • Extensible
  • Intuitive & Easy to Use

Support for Standards

  • JAX-WS, JAX-WSA, JSR-181, and SAAJ
  • SOAP 1.1, 1.2, WS-I BasicProfile, WS-Security, WS-Addressing, WS-RM and WS-Policy
  • WSDL 1.1 and 2.0
  • MTOM

Multiple Transports, Bindings, Data Bindings, and Formats

  • Bindings: SOAP, REST/HTTP
  • Data bindings: JAXB 2.0, Aegis.(XMLBeans, Castor and JiBX will be supported in CXF 2.1)
  • Formats: XML, JSON
  • Transports: HTTP, Servlet, JMS, and Jabber transports
  • Extensibility API allows additional bindings for CXF, enabling additional message format support such as CSV and fixed record length

Flexible Deployment

  • Lightweight containers: deploy services in Tomcat or Spring-based containers
  • JBI integration: deploy as a service engine in a JBI container such as ServiceMix, OpenESB or Petals
  • SCA integration: deploy in an SCA container such as Tuscany
  • J2EE integration: deploy services in J2EE application servers such as Geronimo, JOnAS, JBoss, WebLogic, and WebSphere
  • Standalone Java client/server

Support for Multiple Programming Languages

  • Full support for JAX-WS 2.0 client/server programming model
  • JAX-WS 2.0 synchronous, asynchronous and one-way API's
  • JAX-WS 2.0 Dynamic Invocation Interface (DII) API
  • Support for wrapped and non-wrapped styles
  • XML messaging API
  • Support for JavaScript and ECMAScript 4 XML (E4X) - both client and server
  • Support for CORBA with Yoko
  • Support for SCA withTuscany
  • Support for JBI with ServiceMix

Code Generation

  • Java to WSDL
  • WSDL to Java
  • XSD to WSDL
  • WSDL to XML
  • WSDL to SOAP
  • WSDL to service

Getting Involved

Apache Incubator CXF is currently under heavy development. To get involved you can subscribe to the mailing lists. You can also grab the code from the Source Repository. You also need to read about Building CXF. For Eclipse users, you should read about Setting up Eclipse.

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