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In the scope of this tutorial, we are going to work with the version 1.1 of the Jsr181 component.
Which gives us:
!petals-studio-tuto-jsr181-1.jpg!
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Click *Next*.
h2. Defining the project name
This page defines the name and the location of the project that will be created.
Indeed, this wizard will result in the creation of a project containing all the required elements for a Jsr181 service-unit.
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Enter a project name for your project.
If you do not want your project to be created in the default workspace, uncheck *Use default location*.
Then click *Browse...* and select the location where the project will be created.
!petals-studio-tuto-jsr181-2.jpg!
!petals-studio-tuto-jsr181-3.jpg!
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{note}
Petals service-units have a naming convention.
For a service-unit which provides a service, the convention is *su\-*_<Protocol or Technology>_*\-*_<Service name>_*\-provide*
{note}
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Then, click *Next*.
h2. Specifying the creation mode
With the Jsr181 tooling, there are two approaches: a top-down one and a bottom-up one.
Since we want to start from a WSDL, we will choose the top-down one.
Select the radio button *Start with a WSDL definition* and provide the URL of the WSDL definition.
If it is stored on the local file disk, you can click *Browse...* to select it with a file dialog.
\\ !petals-studio-tuto-jsr181-wsdl-1.jpg!
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Click *Next*.
h2. Specifying the CDK parameters
The CDK is the Petals framework to develop JBI components.
The Petals-SE-Jsr181 component was developed with this framework.
This page requires information related to the CDK.
By default, you have nothing to do here.
The meaning of all the CDK parameters for Jsr181 can be found in the documentation of the [Petals-SE-Jsr181|petalscomponents:Petals-SE-Jsr181] component.
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Click *Finish* to complete the wizard.
h2. Checking the result
When the wizard has completed, a new project has been created and is visible in your workspace.
It contains a jbi.xml file, located under *src/main/jbi*.
This hierarchy allows you to work with Apache Maven then (a pom.xml was also created at the root of the project).
In the same directory, you can see the WSDL interface you provided in the wizard. It was imported with all its dependencies (e.g. referenced XML schemas or other WSDL interfaces).
And there are annotated Java classes that were generated from the WSDL.
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!petals-studio-tuto-jsr181-wsdl-2.jpg!
h1. Updating, packaging and deploying
h2. Further edition and packaging
After completion, the service implementation has been open in the Java editor.
Complete the method implementations (it is basic Java development).
!petals-studio-tuto-jsr181-wsdl-3.jpg!
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Then, you can directly package the project.
The generated jbi.xml was already complete.
However, it is *possible (but not required)* to update the WSDL and create a new complete jbi.xml.
To do that, right-click the project and select *Petals > Generate WSDL(s)*.
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!petals-studio-tuto-jsr181-wsdl-4.jpg!
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A dialog appears to ask you whether a new jbi.xml should be generated too.
Clicking *No* only generates WSDL definitions from the classes that are annotated with _@WebService_.
Clicking *Yes* will in addition generate a new jbi.xml.
!petals-studio-tuto-jsr181-5.jpg!
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{info}
Be careful, all the WSDL definitions of the *jbi* directory will be deleted.
And take note that the new jbi.xml will erase the previous one, thus loosing hand-made modifications.
{info}
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The created project being a [Service-Unit project|Working with Service Unit projects], you can [package it as any Service-Unit project|Working with Service Unit projects#Export for Petals].
It results in the creation of a Service Assembly for the Petals-SE-Jsr181 component. Its location depends on your export choices.
h2. Deployment
The deployment of the created service assembly can be achieved with the Petals web console.
Or you can do it by dropping the service assembly in the *install* directory of your Petals installation.
This second option should only be used in development steps.
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First, make sure the Petals-SE-Jsr181 is installed in your Petals environment.
Then, install the service assembly in your Petals, using one of the two ways indicated above.
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There is no need to update configuration of the Jsr181 component to make it work.
Using the default settings is enough to make the service-unit work.
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