Just Launched: You can now import projects and releases from Google Code onto SourceForge
We are excited to release new functionality to enable a 1-click import from Google Code onto the Allura platform on SourceForge. You can import tickets, wikis, source, releases, and more with a few simple steps. Read More
See bottom of http://xml.apache.org/soap/docs/index.html for details. I know there is a merge point but it wouldn't be hard to just allow you to enter some simple type=>De/serializer class tags and generate the file on the fly, Qnames and all.