[PDFBOX-5819] Make Type2CharStringParser thread-safe

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.2 PDFBox, 4.0.0
• Fix Version/s: 3.0.3 PDFBox, 4.0.0
• Component/s: FontBox
• Assignee: Andreas Lehmkühler
• Reporter: Andreas Lehmkühler
• Created: 09/May/24 09:57
• Updated: 10/Aug/24 07:18
• Resolved: 16/May/24 17:45

Description

It turns out that due to the changes of PDFBOX-5143 the class org.apache.fontbox.cff.Type2CharStringParser is (no longer) thread-safe, see PR#193 of Patrick Corless for further details.

Instead of synchronizing the usage of the class as proposed in the PR, I'd prefer to make the class itself thread-safe again