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https://issues.apache.org/jira/browse/VFS-179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13012883#comment-13012883
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Henning Kvinnesland commented on VFS-179:
-----------------------------------------
Does the patch work?
> Traversal of directory tree with FileSelector fails with symbolic links in
> SFTP
> -------------------------------------------------------------------------------
>
> Key: VFS-179
> URL: https://issues.apache.org/jira/browse/VFS-179
> Project: Commons VFS
> Issue Type: Bug
> Reporter: Andrew Franklin
> Attachments: VFS-179.patch
>
>
> It seems to me that when using the FileSelector to traverse a directory tree
> using SFTP, a symbolic link will return as type File (even when the link
> points to a directory), which will result in the directory node not being
> followed.
> By using a mechanism similar to that of FtpFileObject this can be resolved
> with the following...
> /**
> * Determines the type of this file, returns null if the file does not
> * exist.
> */
> protected FileType doGetType() throws Exception
> {
> if (attrs == null)
> {
> statSelf();
> }
> if (attrs == null)
> {
> return FileType.IMAGINARY;
> }
> if ((attrs.getFlags() &
> SftpATTRS.SSH_FILEXFER_ATTR_PERMISSIONS) == 0)
> {
> throw new FileSystemException(
>
> "vfs.provider.sftp/unknown-permissions.error");
> }
> if(attrs.isLink())
> {
> return getLinkDestination().getType();
> }
> else if (attrs.isDir())
> {
> return FileType.FOLDER;
> }
> else
> {
> return FileType.FILE;
> }
> }
> /**
> * Return the destination of this file object if it's a symbolic link
> * @return FileObject representing the linked to location
> */
> private FileObject getLinkDestination() throws Exception
> {
> if (linkDestination == null)
> {
> final String path = fileSystem.getChannel().readlink(
> relPath );
> FileName relativeTo = getName().getParent();
> if (relativeTo == null)
> {
> relativeTo = getName();
> }
> FileName linkDestinationName =
> getFileSystem().getFileSystemManager().resolveName(relativeTo, path);
> linkDestination =
> getFileSystem().resolveFile(linkDestinationName);
> }
> return linkDestination;
> }
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