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 and JAX-RS. 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 WSI Basic Profile, WSDL, WS-Addressing, WS-Policy, WS-ReliableMessaging, WS-Security, WS-SecurityPolicy, WS-SecureConverstation, and WS-Trust (partial).
Frontends: CXF supports a variety of "frontend" programming models. CXF implements the JAX-WS APIs (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. For REST, CXF also supports a JAX-RS (TCK compliant) frontend.
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.x 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, JSR-181, SAAJ, JAX-RS
SOAP 1.1, 1.2, WS-I BasicProfile, WS-Security, WS-Addressing, WS-SecureConverstation, WS-Trust (partial), WS-RM, WS-Policy
WSDL 1.1
MTOM

Multiple Transports, Bindings, Data Bindings, and Formats

Bindings: SOAP, REST/HTTP
Data bindings: JAXB 2.x, Aegis, XMLBeans, SDO
Formats: XML, JSON, FastInfoset
Transports: HTTP, Servlet, JMS, and many others via the Camel transport for CXF
Extensibility API allows additional bindings for CXF, enabling additional message format support such as CORBA/IIOP

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
Java EE integration: deploy services in Java EE application servers such as Geronimo, JOnAS, JBoss, OC4J, WebLogic, and WebSphere
Standalone Java client/server

Support for Multiple Programming Languages

Full support for JAX-WS 2.x client/server programming model
JAX-WS 2.x synchronous, asynchronous and one-way API's
JAX-WS 2.x Dynamic Invocation Interface (DII) API
JAX-RS for RESTful clients
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
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
WSDL to IDL
WSDL to _javascript_
IDL to WSDL
Java to _javascript_

Getting Involved

Apache 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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