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From "Gary D. Gregory (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (VFS-408) CompressedFileFileObject Exception thrown when container file has no extension
Date Wed, 16 May 2012 16:35:02 GMT

     [ https://issues.apache.org/jira/browse/VFS-408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary D. Gregory resolved VFS-408.
---------------------------------

    Resolution: Fixed

Committed revision 1339256.
                
> CompressedFileFileObject Exception thrown when container file has no extension
> ------------------------------------------------------------------------------
>
>                 Key: VFS-408
>                 URL: https://issues.apache.org/jira/browse/VFS-408
>             Project: Commons VFS
>          Issue Type: Bug
>    Affects Versions: 2.0
>            Reporter: Anil Mahajan
>            Priority: Minor
>
> CompressedFileFileObject blindly performs a substring operation on an unchecked String
index lookup value.  If that value happens to be -1 (lookup not found), then an Index Out
Of Bounds error is thrown.  The lookup is for a "." to find the base file name.
> This happens when trying to decompress a file with no file extension.
> subversion revision: 1159220 for CompressedFileFileObject.java
> code in repository: line 42:
>         // todo, add getBaseName(String) to FileName
>         String basename = container.getName().getBaseName();
>         int pos = basename.lastIndexOf('.');
>         basename = basename.substring(0, pos);
> should alter that last line to something like:
> if (pos > 0)
>     basename = basename.substring(0, pos);

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