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# WSDL2Code - Generate Code Starting with a WSDL Document

The aim of this document is to explain briefly how the WSDL2Code code generation tool works.

## Content

- Introduction
- Usage
- Conclusion

## Introduction

WSDL2Code is a handy tool available with WSO2 Web Services Application Server that allows the user to generate Java source code for a Web Service or a Web Service client from a given WSDL.

## Usage

Using WSDL2Code is quite straightforward. In fact, as with the other tools provided on the WSO2 Web Services Application Server front page, you don't even need to sign in. Click on WSDL2Code and you will be taken to the following screen.

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On this screen, you can customize the code generation process to your liking. The description given against each configuration option should give you an idea of what it does. Some of the more importants options are described below.

- uri : The WSDL to generate code for. Can be given in the form of a Web URL or of a file system path in case you have the WSDL document on the local file system.
- a : Check this to generate code that will only enable the service to be invoked in a non-blocking manner. By default both sync and async style code will be generated.
- s : As opposed to the above option, only synchronous (blocking) invocation code will be generated. In case both "a" and "s" are checked, "s" will take precedence over "a" and hence only sync style code will be generated.
- t : Generate a client-side JUnit test case. This test case can stand on its own, but it doesn't really do anything except pass default values (null for objects, 0 or false for primitive types). The generated test case file could be considered a template that you may fill in.
- ss : Generate server side code (i.e. skeletons). Default is off.
- sd : Generate the service descriptor (i.e. server.xml). Default is off. This is only valid when the above option ss (server side code generation option) is enabled.
- d : Specify which databinding mechanism to use. You can take your pick from ADB, XMLBeans, JIBX, JAXME, JAXBRI
- g : Generate all the classes. This is only valid when the above option ss (server side code generation option) is enabled. When checked, the client code (stubs) will also be generated along with the skeletons.
- pn : Specify the port name to be used in code generation. You need to specify this if the WSDL contains multiple ports and you need to select one. If the port name is not specified, then the first port (of the selected service) will be picked.
- u : Unpack classes. This option specifies whether to unpack the classes and generate separate classes for the databinders.
- ns2p : Specify a comma separated list of namespaces and packages where the given package will be used in the place of the auto generated package for the relevant namespace. The list will be the format of ns1=pkg1,ns2=pkg2.
- uw : If unwrapping is turned on, in the generated code, method signatures will contain the inner element values as arguments and return types, instead of being wrapped inside the container element.
- Eosv : Turn off strict validation. This option is applicable only in case the default databinding, ADB, is used.

For the options that you leave unchanged, the default values will be used in the generation process. Click on Generate . If everything is in order, i.e. the given WSDL is correct, the generation should happen smoothly and produce the java code. WSO2 Web Services Application Server will pack up the generated code into a jar file which will be presented out to be downloaded or saved to your local computer. if the ss option was checked, the generated jar will include the service skeleton which you can flesh out to execute your desired business logic. If not, only the client stubs will be generated, using which you can inboke the service, assuming it has already been deployed. Image here

## Conclusion

WSDL2Code provides an easy to configure and easy to use method of producing service and client code from a given WSDL document.