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https://issues.apache.org/jira/browse/FILEUPLOAD-159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12664902#action_12664902
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Jochen Wiedmann commented on FILEUPLOAD-159:
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A question on your patch: Why is position incremented twice in read()?


> MultipartStream.position method
> -------------------------------
>
>                 Key: FILEUPLOAD-159
>                 URL: https://issues.apache.org/jira/browse/FILEUPLOAD-159
>             Project: Commons FileUpload
>          Issue Type: Improvement
>    Affects Versions: Nightly Builds
>            Reporter: Stepan Koltsov
>         Attachments: commons-fileupload-position-2008-05-28.diff
>
>
> Attached patch adds MultipartStream.position() method, that returns current 
> position withing InputStream plus offset in buffer. I. e. current parser 
> position.
> Use case is parsing multipart that is stored as file on disk: at first run we 
> read that file and saving part offsets (by calling position() methods). Then 
> we can randomly access all parts without storing parts as separate files on 
> disk.

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