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3Sample: Data Binding
This sample demonstrates how to use WSDL2Java generated code with Castor.
Running of this sample assumes that you are running this within the extracted release folder (Axis2_HOME/samples/databinding).
* Install Apache Ant 1.6.2 or later.
* Please create a directory named lib under the directory that contains this file.
* Download the following libraries and drop them into the new lib directory:
* Version 1.0.4 of Castor jar from
(The latest releases of castor are available at, but this example may not run
with versions later than 1.0.4)
* A recent Xerces version from
You can achieve all three of the above steps by running "ant download.jars", but it will take some
time to download those two jars, using ant.
Deploying the Service
You need to create the stock service Web service and deploy it. Typing ant generate.service or
simply ant in the command prompt, will build the service against StockQuoteService.wsdl listed
inside Axis2_HOME/samples/databinding and put it under Axis2_HOME/repository/services.
You need to then startup the server to deploy the service. Go to Axis2_HOME/bin folder and execute either
axis2server.bat (in Windows) or Linux), depending on your platform.
Running the Client
Typing the command "ant run.client" inside Axis2_HOME/samples/databinding runs the Axis2_HOME/samples/databinding/client/src/samples/databinding/ class. You may use
the command scripts (as specified above) to do so. You need to supply 2 parameters to the command- url and symbol.
* ant run.client -Durl=http://localhost:8080/axis2/services/StockQuoteService -Dsymbol=IBM
Succeeds with a Price of 99.0. You will see "Price = 99.0"
When you call ant run.client with parameters, before running
client/src/samples/databinding/ class, it does the following as well:
* Generate the stubs (for the client) from the WSDL
* Compile the client classes
* Create a Jar of the client classes and copy it to build/client/StockService-test-client.jar
How It Works
- Generate code giving -d none to get all the Axis2 APIs with OMElements.
- Create Castor objects for the schema given in the StockQuoteService.wsdl.
- Client API and the service uses those castor objects to get/set data.
- Get StAX events from the castor objects and construct OMElements from them. Those StAX events
are fed into StAXOMBuilder which can create OM tree from it.
- Feed those OMElement in to generated code.
Sometimes, if you're having trouble running the client successfully,
It may be necessary to clean the services repository before you generate the service, deploy it
and run the client. (i.e. delete services created from previous samples.)
Please contact axis-user list ( if you have any trouble running the sample.