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Web services with ServiceMix and CXF

This tutorial teaches you excerptINLINE

how you can do WSDL service for ServiceMix, which use CXF framework. use the CXF components for building a new web service in ServiceMix.

Goals of the document

This tutorial shows you how to create a new web service using the This example shows how to expose a service in servicemix-cxf-se, beginning from the
WSDL, and exposing it over JBI component. You will also learn how to expose this web service to the outside world over HTTP/SOAP with the servicemix-cxf-bc.

Description of service

This service is simple hello-user example. User demands your name and service greats him.

CXF service framework

The web service we will create is a very simple greeter application: if a client sends a user name in the request, the service will respond with a friendly greeting message.

Apache CXF

The Apache CXF framework is an open source framework which helps you develop webservices using frontend programming APIs Apache CXF service framework is open source framework, which helps you develop services using frontend programming APIs, like JAX-WS.
These services can communicate over many protocols . For example: (e.g. SOAP, XML/HTTP, RESTful HTTP. They can communicate over many transports.
For example ) and transports (e.g. HTTP, JMS or JBI). You can also use interceptors to easily add behavior to the services stack.

Goals

After this tutorial...

  • you can use using Maven to develop JBI service units and service assemblyassemblies
  • using you can use xbean.xml files to configure routes and services in ServiceMixthe ServiceMix CXF components
  • you know how to use a writing WSDL file to provide our define your web servicewriting java class
  • you know how to implement our service
Info
titleSuggestions for improvements
  • construct a specific usecase (for example to retrieve information about a person etc.)
  • tell the user what will be created in this tutorial and explain CXF -> Webservice relation)
  • better specification of the requirements for this tutorial
  • let the user create a project folder somewhere and only work there -> not in SMX_HOME etc.
  • use the servicemix-project-root archetype for creating the project
  • use smx-arch to create the SU's and SA's and explain what is generated there and what it is used for
  • don't copy source code around ... this is not needed if the project is set up correctly
  • optional: graphical tool (eclipse?) to generate a wsdl ?
  • try to not use headlines like 'Creating our second SU' as it tells the user nothing
  • explain how the source code is generated from the wsdl file
  • add a description how to deploy the SA to smx. Maybe some people can't remember (wink)
  • check if the test html page really works for both Linux and Windows
  • add some kind of conclusion to the end of the tutorial maybe also with some tipps how to do further

Prerequisites

  • basic knowledges about development in Java
  • basic knowledges about web services (especialy about WSDL file)
  • basic knowledges about deployment services in ServiceMix

Contents

Children Display
excerpttrue
excerptTypesimple

Start this tutorial (← 1.01 Creating the Maven project)

  • web services using Java classes

Prerequisites

Before starting this tutorial, you should...

  • be able to use ServiceMix (start/stop the container, deploy service assemblies, ...) (→ tutorial 1)
  • know how to use the Maven archetypes and JBI plugin to build and deploy your projects (→ tutorial 2)
  • know how to develop Java classes and build them using Maven
  • have a basic knowledge about web services (e.g. WSDL, SOAP, ...)

Contents

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Start this tutorial



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