Fix for default namespace overwritten by empty namespace

[bumann-sbb]

Fixes #240

Fix for default namespace overwritten by empty namespace
Fixed a few SonarLint warnings

[bumann-sbb]

@pdurbin Now the pipeline throws following, which seems like something I can't fix or am I missing something?

Error:  Failed to execute goal org.sonarsource.scanner.maven:sonar-maven-plugin:3.11.0.3922:sonar 
(default-cli) on project xoai: Project not found. 
Please check the 'sonar.projectKey' and 'sonar.organization' properties, 
the 'SONAR_TOKEN' environment variable, or contact the project administrator to check the permissions 
of the user the token belongs to -> [Help 1]

[pdurbin]

@bumann-sbb yikes. Probably not.

I wonder... is it because the workflow only works properly under the main repo (gdcc) and not in a fork (such as bumann-sbb).

@poikilotherm any thoughts on this? And the PR overall. 😄

[poikilotherm]

Added a fix for pre-commit and some restyling in the test.

Well done! Thanks for also adding a test case! Perfect PR. Will merge and cut a release soon!

(Don't worry about SonarCloud. As this is a PR from a fork, you don't get access to the secrets necessary to commit the results.)

[bumann-sbb]

@pdurbin @poikilotherm
Thank you both very much. It was a pleasure to contribute! :)

[poikilotherm]

Thanks for your contribution! Even with a unit test! That's how Open Source is meant to be. ❤️