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

["Tilman Hausherr (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PDFBOX-3418?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tilman Hausherr updated PDFBOX-3418:
------------------------------------
    Labels: optimization performance  (was: performance)

> 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
>              Labels: optimization, performance
>
> 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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