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https://issues.apache.org/jira/browse/PDFBOX-4235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16497140#comment-16497140
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Maruan Sahyoun commented on PDFBOX-4235:
----------------------------------------
There is {{PDVariableText.setDefaultAppearance([String daValue)}} which
{{PDTextField}} extends which parses the passed string. The error handling can
be improved though.
Setting directly via \{{COSObject}}/\{{COSDictionary}} wouldn't allow parsing
as the low level API doesn't know anything about the high level object the COS
element defines.
> NPE when setting the DA of a PDTextField
> ----------------------------------------
>
> Key: PDFBOX-4235
> URL: https://issues.apache.org/jira/browse/PDFBOX-4235
> Project: PDFBox
> Issue Type: Bug
> Components: AcroForm
> Affects Versions: 2.0.9
> Reporter: Christoph Grimmer-Dietrich
> Assignee: Tilman Hausherr
> Priority: Major
> Fix For: 2.0.10, 3.0.0 PDFBox
>
> Attachments: F2_Datenblatt_022015.pdf, stacktrace.txt
>
>
> The following Kotlin Code results in a NullPointerException:
> {{when(pdField) {}}
> {{is PDTextField -> {}}
> {{ try {}}
> {{ pdField.value = value?.toString() ?: ""}}
> {{ } catch (ioException: IOException) {}}
> {{ pdField.cosObject.setString(COSName.DA, "/Helv 0 tf 0 g")}}
> {{ pdField.value = value?.toString() ?: ""}}
> {{ }}}
> }}
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