[jira] Resolved: (PDFBOX-581) Avoid warnings for graphics operations when extracting text

["Jukka Zitting (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PDFBOX-581?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jukka Zitting resolved PDFBOX-581.
----------------------------------

       Resolution: Fixed
    Fix Version/s: 1.0.0

Instead of adding an extra "Ignore" processor class, I fixed this in revision 889465 simply by making PDFStreamEngine ignore all operators that are listed in the properties file without a corresponding OperatorProcessor class name.


> Avoid warnings for graphics operations when extracting text
> -----------------------------------------------------------
>
>                 Key: PDFBOX-581
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-581
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: Text extraction
>            Reporter: Jukka Zitting
>            Assignee: Jukka Zitting
>            Priority: Minor
>             Fix For: 1.0.0
>
>
> PDFStreamEngine logs warnings of all encountered PDF operators for which an OperatorProcessor has not explicitly been configured. This is a bit annoying for things like text extraction where many graphics operators can simply be ignored.
> To solve this we can either disable the warnings entirely or add an explicit "Ignore" operator processor that simply ignores the selected operators. I'm inclined to implement the latter solution as I think it's a good idea to log warnings for truly unexpected operators.

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