Rama Pulavarthi's Blog

Rama Pulavarthi is a Member of Technical Staff in the Java Web Services group at Sun Microsystems. He currently works on the development of JAX-WS Reference Implementation. He has previously lead the Software Quality Engineering effort of JAX-RPC. He holds a Masters degree in Computer Science from Auburn University in Alabama and Bachelors in Electronics and Communication from JNTU Hyderabad.

JAX-WS Tip for passing XJC options through wsimport.

JAX-WS relies on JAXB for data binding. When you invoke Wsimport Tool on a wsdl, It in-turn calls XJC tool in JAXB RI to generate the beans used by the JAX-WS runtime. Occasionally, You may need to pass XJC specific command line options through wsimport tool to customize the databinding. You can do it easily with Wsimport. This feature has been there from JAX-WS 2.1 and hopefully this blog explains the common questions on its usage.

If you are using XJC directly, you could pass those options on the command-line for XJC tool or as nested <arg> elements incase of XJC ant task. For example, if you want to disable the strict schema correctness checking while compiling the schema.

You can use

/path/to/jaxb/bin/xjc.sh -nv myschema.xsd

<xjc schema="src/myschema.xsd" destdir="src">
	<arg value="-nv" />
</xjc>

But, if you want to customize the XJC behavior using wsimport tool, you can use on of the following method. For the command-line wsimport tool, you can pass xjc options using -B prefix. For passing the similar xjc option as described above, you can use

 
/path/to/jaxws/bin/wsimport.sh -B-nv myservice.wsdl

The same through wsimport ant task can be done using the nested <xjcarg> element which follows the same command-line argument mechanism in Ant.

<wsimport wsdl="myservice.wsdl">
  <xjcarg value="-nv"/>
</wsimport>

This mechanism can also be useful for using XJC plugins through wsimport as explained in Kohsuke's blog. Similarly, you can pass episode files created through previous jaxb compilation to Wsimport ant task using the nested <xjcarg> element.

August 2008

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