Using other cxf-xjc-plugins: how to go about that?

[gkfirst8]

When using CXF-project-external cxf-xjc-plugins we can normally add dependencies to the CXF-plugin in Maven like this:

<plugin>
    <groupId>org.apache.cxf</groupId>
    <artifactId>cxf-codegen-plugin</artifactId>
    <version>${cxf.version}</version>
    <executions>
        <execution>
            <phase>generate-sources</phase>
            <configuration>
                ...
                <sourceRoot>${project.build.directory}/generated-sources/soap</sourceRoot>
                <wsdlOptions>
                    <wsdlOption>
                        <wsdl>${basedir}/src/main/resources/path/to/my.wsdl</wsdl>
                        <bindingFiles>
                            <bindingFile>${basedir}/src/main/resources/dates.xjb</bindingFile>
                            <bindingFile>${basedir}/src/main/resources/namespace-prefixes.xjb</bindingFile>
                        </bindingFiles>
                        <extraargs>
                            <extraarg>-xjc-Xnamespace-prefix</extraarg>
                        </extraargs>
                    </wsdlOption>
                </wsdlOptions>
            </configuration>
            <goals>
                <goal>wsdl2java</goal>
            </goals>
        </execution>
    </executions>
    <dependencies>
        <dependency>
            <!-- Pushing cxf-codegen-plugin to use Jakarta package -->
            <groupId>jakarta.jws</groupId>
            <artifactId>jakarta.jws-api</artifactId>
            <version>3.0.0</version>
        </dependency>
        <dependency>
            <!-- For pre-defines namespace prefixes -->
            <groupId>org.jvnet.jaxb</groupId>
            <artifactId>jaxb-plugins</artifactId>
            <version>4.0.0</version>
        </dependency>
        <dependency>
            <groupId>org.jvnet.jaxb</groupId>
            <artifactId>jaxb-plugin-annotate</artifactId>
            <version>4.0.0</version>
        </dependency>
        <dependency>
            <!-- Make sure the plugin can log properly -->
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-slf4j2-impl</artifactId>
            <version>2.20.0</version>
        </dependency>
    </dependencies>
</plugin>

Where should we add these when using quarkus-cxf? We understand that quarkus-cxf-xjc-plugins pulls in dependencies in a special way and we tried to put our/these dependencies in these places:

• main location for normal dependencies with scope provided
• as dependencies for the quarkus-maven-plugin plugin

Both result in "XJC reported 'BadCommandLineException' for -xjc argument:-extension -Xnamespace-prefix"

[gkfirst8]

I did have an intermediate solution: by putting it in the normal dependencies under scope compile I got it to work. But this is not as clean as quarkus-cxf-xjc-plugins does it. quarkus-cxf-xjc-plugins makes sure that the dependencies themselves are not shipped.
Is there a better way?

[ppalaga]

Thanks for the report, @gkfirst8! I am afraid, there is no good way to do that currently. I'd suggest using the good old cxf-codegen-plugin for now.

I guess we could create a new extension inside Quarkus CXF in the same way like we have quarkus-cxf-xjc-plugins. Would you like to try it?

[gkfirst8]

@ppalaga I would like to give it a try. Not to afraid of pom-files ;-) so that should be a good start as I think I read that the other module also just had some pom-magic.

Do you have a good start for this? Then I will try to give it a go. (I'm currently travelling so it will have to wait till next week to have me fully start. But I can already read-up on any pointers you can give. (I think the given example already provides nice plugins that could be valuable to the community to be available in quarkus-cxf.))

[ppalaga]

Thanks for being ready to contribute, @gkfirst8 ! Indeed, quarkus-cxf-xjc-plugins is the best place to look into. Some tests can be seen in https://github.com/quarkiverse/quarkus-cxf/tree/main/integration-tests/wsdl2java