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From "Jens Scheffler (JIRA)" <j...@apache.org>
Subject [jira] Created: (VFS-225) File name parsing issues in layered file systems
Date Thu, 13 Nov 2008 20:48:44 GMT
File name parsing issues in layered file systems
------------------------------------------------

                 Key: VFS-225
                 URL: https://issues.apache.org/jira/browse/VFS-225
             Project: Commons VFS
          Issue Type: Bug
    Affects Versions: 1.0
         Environment: Windows XP SP2 - but also assuming in other environments
            Reporter: Jens Scheffler


The "!" character is used as delimiter for e.g. ZIP file access as VFS component.

When trying to traverse a layered file, e.g. traversing a ZIP content and the ZIP contains
a file with a "!" in the file name itself then a FileSystemException appears - it seems that
the parsing routine for layered filenames is stumbling over the "!" character.

Exception trace for a test VFS component:
org.apache.commons.vfs.FileSystemException: Incorrect file system URI "syncdb:file:///C:/Temp/test.xml!/c/temp/Maps/Important
to Read!!/" in name "syncdb:file:///C:/Temp/test.xml!/c/temp/Maps/Important to Read!!.txt",
was expecting "syncdb:file:///C:/Temp/test.xml!/".
	at org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:274)
	at org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:267)
	at org.apache.commons.vfs.provider.AbstractFileObject.resolveFile(AbstractFileObject.java:670)
	at de.jensscheffler.ftpsync.db.SyncFileSystemTest.treeCopy(SyncFileSystemTest.java:87)
	(...)

As the accessing code was just traversing a folder tree with no chance to handle this, is
there any alternative for traversing through these layered file systems when the content contains
special characters?

Maybe the approach for parsing needs to be enhanced also, I could offer some help but maybe
need a hint to contribute a fix.

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