Stefan Ziel created PDFBOX-4496:
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Summary: OCG enablement with string parameter is not well defined
Key: PDFBOX-4496
URL: https://issues.apache.org/jira/browse/PDFBOX-4496
Project: PDFBox
Issue Type: Bug
Affects Versions: 2.0.14
Reporter: Stefan Ziel
Attachments: original.pdf
The class {noformat}
org.apache.pdfbox.pdmodel.graphics.optionalcontent.PDOptionalContentProperties
{noformat}
contains two methods
{noformat} setGroupEnabled(String, boolean){noformat} and {noformat}
isGroupEnabled(String){noformat}
accessing the OCG's state using a name as parameter.
As there can exist various OCG with the same name this access is not well
defined.
The current implementation accesses the first group with this name it can find.
To make setter work the solution would be a loop over all groups with the given
name and add them to the ON or OFF.
The getter should return an error state if the instances diverge in state.
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