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Posted to issues@commons.apache.org by "Gary D. Gregory (Jira)" <ji...@apache.org> on 2023/01/10 02:19:00 UTC
[jira] [Commented] (COMPRESS-638) The GzipCompressorOutputStream#writeHeader method uses the ISO_8859_1 to write the file name. If the file name contains non-ISO_8859_1 characters, some unknown characters are displayed after decompression.
[ https://issues.apache.org/jira/browse/COMPRESS-638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17656372#comment-17656372 ]
Gary D. Gregory commented on COMPRESS-638:
------------------------------------------
You should likely check the GZip specification to see how this data is allowed to be encoded.
> The GzipCompressorOutputStream#writeHeader method uses the ISO_8859_1 to write the file name. If the file name contains non-ISO_8859_1 characters, some unknown characters are displayed after decompression.
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: COMPRESS-638
> URL: https://issues.apache.org/jira/browse/COMPRESS-638
> Project: Commons Compress
> Issue Type: Bug
> Reporter: Radar wen
> Priority: Major
> Attachments: 0110.png
>
>
> The GzipCompressorOutputStream#writeHeader method uses the ISO_8859_1 to write the file name.
> If the file name contains non-ISO_8859_1 characters, some unknown characters are displayed after decompression. !0110.png!
> Can change the ISO_8859_1 to UTF-8?
> if (filename != null) {
> out.write(filename.getBytes(ISO_8859_1));
> out.write(0);
> }
>
>
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