The Apache XmpBox library is an open source Java tool that implements Adobe's XMP(TM)
specification. It can be used to parse, validate and create xmp contents.
It is mainly used by subproject preflight of Apache PDFBox.
XmpBox is a subproject of Apache PDFBox.
The Apache Preflight library is an open source Java tool that implements
a parser compliant with the ISO-19005 (PDF/A) specification. Preflight is a
subproject of Apache PDFBox.