Am 19.08.2016 um 19:28 schrieb John Hewson:
On 19 Aug 2016, at 04:28, Simon Steiner <[email protected]> wrote:
Hi,
Cosarray has:
public List<?> toList()
does that mean I need to explicitly cast to list<cosbase>, how come it
doesn't return List<COSBase>?
I think this my have been an oversight when PDFBox was originally ported to
make use of Java 5 generics. Seems like something we could change.
This doesn't work for methods like this one:
public List<COSName> getFilters()
{
List<COSName> retval = null;
COSBase filters = stream.getFilters();
if (filters instanceof COSName)
{
COSName name = (COSName) filters;
retval = new COSArrayList<COSName>(name, name, stream,
COSName.FILTER);
}
else if (filters instanceof COSArray)
{
retval = ((COSArray) filters).toList(); // incompatible
types: java.util.List<org.apache.pdfbox.cos.COSBase> cannot be converted
to java.util.List<org.apache.pdfbox.cos.COSName>
}
return retval;
}
I also tried using
List<? extends COSBase> toList()
but this doesn't work either.
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