[PDFBOX-4288] needless adding while parsing dictionary objects

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.0.11
• Fix Version/s: 2.0.12, 3.0.0 PDFBox
• Component/s: Parsing
• Labels: optimization
• Flags: Patch
• Assignee: Tilman Hausherr
• Reporter: Hee Jeong Kim
• Created: 07/Aug/18 05:50
• Updated: 05/Oct/18 04:53
• Resolved: 07/Aug/18 16:10

Description

Hi, It seems like unnecessary objects(COSNull, COSFloat..) are also added to 'toBeParsedList' while parsing dictionary objects and this can impact on performance.

You can download a file causing out of memory exception while parsing dictionary objects below,
https://turnernbahangtime.files.wordpress.com/2017/10/2017-18-official-nba-guide_v2.pdf

and please check the attached patch that avoids unnecessary adding operations.