Common code for the Verify and Format Mojos.
Pretty prints and set valid authors and version to XAR XML files.
Hold Transformation configuration as specified by the user in its pom.xml.
Expand a XAR file.
Perform various verifications of the XAR files in this project.
Properties to apply to a XAR entry.
Gather all resources in a XAR file (which is actually a ZIP file).
Custom XML Writer to support XWiki's code style for XAR XML files.