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Posted to dev@pdfbox.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2019/04/04 17:15:00 UTC
[jira] [Commented] (PDFBOX-4496) OCG enablement with string
parameter is not well defined
[ https://issues.apache.org/jira/browse/PDFBOX-4496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16810096#comment-16810096 ]
ASF subversion and git services commented on PDFBOX-4496:
---------------------------------------------------------
Commit 1856965 from Tilman Hausherr in branch 'pdfbox/trunk'
[ https://svn.apache.org/r1856965 ]
PDFBOX-4496: avoid ClassCastException
> 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
> Components: PDModel
> Affects Versions: 2.0.14
> Reporter: Stefan Ziel
> Assignee: Tilman Hausherr
> Priority: Major
> Labels: OCGs
> Fix For: 2.0.15, 3.0.0 PDFBox
>
> Attachments: PDFBOX-4496.patch, 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 the setter work a solution would be a loop over all groups with the given name and add them to ON or OFF. Consider to rename it to {noformat}setGroupsEnabledByName{noformat}
> The getter should return some error state if the groups diverge in state - or better drop it ...
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