Am 02.04.2015 um 15:36 schrieb Andrea Vacondio:
I see parseCOSStream is defined in BaseParser and COSParser is it on
purpose? They kinda look like duplicates so I was wandering if it's a
mistake and one can go.
I found one roadblock: COSParser expects a seekable input stream for the
validateStreamLength method. This isn't obvious, because
PushBackInputStream offers a seek() method. However that one is
supported only if its construction input stream implements RandomAccessRead.
BaseParser doesn't need the seek, but the code is more complex, and
needs more space in its PushBackInputStream. BaseParser is used e.g. for
content streams in COSStreamArray:
return new SequenceInputStream( inputStreams.elements() );
which is why it can't be made seekable.
Tilman
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