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Posted to dev@pdfbox.apache.org by "Michael Doswald (JIRA)" <ji...@apache.org> on 2016/07/12 15:44:20 UTC

[jira] [Created] (PDFBOX-3418) Slow string to hex conversion in ToUnicodeWriter

Michael Doswald created PDFBOX-3418:
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             Summary: Slow string to hex conversion in ToUnicodeWriter
                 Key: PDFBOX-3418
                 URL: https://issues.apache.org/jira/browse/PDFBOX-3418
             Project: PDFBox
          Issue Type: Improvement
          Components: PDModel
    Affects Versions: 2.0.2
         Environment: Ubuntu 14.04 LTS
            Reporter: Michael Doswald
            Priority: Trivial


The ToUnicodeWriter.writeTo(OutputStream) method converts a lot of shorts and strings to hexadecimal strings. This is done with String.format and therefore not very efficient. 

The ToUnicodeWriter.toHex(int) and ToUnitcodeWriter.stringToHex(String) methods could be rewritten to generate a char-array and being generally more efficient.



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