[jira] [Created] (PDFBOX-1798) Performance problem with PDDocument.saveIncremental (when signing document)

["Dmytro Karimov (JIRA)" <ji...@apache.org>]

Dmytro Karimov created PDFBOX-1798:
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             Summary: Performance problem with PDDocument.saveIncremental (when signing document)
                 Key: PDFBOX-1798
                 URL: https://issues.apache.org/jira/browse/PDFBOX-1798
             Project: PDFBox
          Issue Type: Improvement
          Components: PDModel, Signing
    Affects Versions: 1.8.3, 2.0.0
            Reporter: Dmytro Karimov
             Fix For: 1.8.4


Performance problem in class COSWriter:
Constructor of COSWriter takes 2 args:
{code}
COSWriter(OutputStream os, FileInputStream is)
{code}


method saveIncremental in class PDDocument:
{code}
saveIncremental(FileInputStream input, OutputStream output)
{code}
It create COSWriter with this args. If I pass FileInputStream into saveIncremental then signing the document goes quite a long time.

If you pass BufferedInputStream, the signing speed is increases. But alas, this is not possible, because the parameters of the method _saveIncremental_ does not allow to do this.



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