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https://issues.apache.org/jira/browse/COMPRESS-68?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jukka Zitting updated COMPRESS-68:
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Attachment: GzipUtils.patch
Added a patch for such utility code in a new GzipUtils class.
> Filename suffix mappings for compression formats
> ------------------------------------------------
>
> Key: COMPRESS-68
> URL: https://issues.apache.org/jira/browse/COMPRESS-68
> Project: Commons Compress
> Issue Type: New Feature
> Reporter: Jukka Zitting
> Priority: Minor
> Attachments: GzipUtils.patch
>
>
> There are many file name suffix conventions like .tgz for gzipped .tar files
> and .svgz for gzipped .svg files. It would be useful if Commons Compress knew
> about these conventions and provided tools to help client applications to use
> these conventions.
> For example in Apache Tika we currently have the following custom code to
> deduce the original filename from a gzipped file:
> {code}
> if (name.endsWith(".tgz")) {
> name = name.substring(0, name.length() - 4) + ".tar";
> } else if (name.endsWith(".gz") || name.endsWith("-gz")) {
> name = name.substring(0, name.length() - 3);
> } else if (name.toLowerCase().endsWith(".svgz")) {
> name = name.substring(0, name.length() - 1);
> } else if (name.toLowerCase().endsWith(".wmz")) {
> name = name.substring(0, name.length() - 1) + "f";
> } else if (name.toLowerCase().endsWith(".emz")) {
> name = name.substring(0, name.length() - 1) + "f";
> }
> {code}
> It would be nice if we instead could do something like this:
> {code}
> name = GzipUtils.getGunzipFilename(name);
> {code}
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