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https://issues.apache.org/jira/browse/PDFBOX-4496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Ziel updated PDFBOX-4496:
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Description:
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 ...
was:
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.
The getter should return some error state if the groups diverge in state.
> 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
> Priority: Major
> Labels: OCGs
> 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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