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https://issues.apache.org/jira/browse/PDFBOX-2287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14110467#comment-14110467
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Dominic Tubach commented on PDFBOX-2287:
----------------------------------------
This code fails with a NullPointerException:
{code}
COSStream stream = new COSStream(new RandomAccessBuffer());
stream.setFilters(COSName.FLATE_DECODE);
stream.getFilteredStream();
{code}
(In this example the stream is empty, but the problem is independent of the
actual contents.) One could expect to get the filtered stream with the new
filter(s) applied. A use case could be to reduce the number of applied filters,
or to store a previously filtered stream completely unfiltered. Even though I
don't think this is a common use case, IMHO it should be fixed anyway.
> [PATCH] COSStream loses contents in setFilters()
> ------------------------------------------------
>
> Key: PDFBOX-2287
> URL: https://issues.apache.org/jira/browse/PDFBOX-2287
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: Dominic Tubach
> Attachments: COSStream.patch
>
>
> When the setFilters method of COSStream is called when no decoding has been
> done before, the stream contents are lost.
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