FtpFileObject.getChildren() fails when a folder contains a file with a colon in
the name
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Key: VFS-398
URL: https://issues.apache.org/jira/browse/VFS-398
Project: Commons VFS
Issue Type: Bug
Affects Versions: 2.0
Environment: Connecting via FTP to a host running SunOS 5.10
Reporter: Mark Leonard
Priority: Blocker
Fix For: 2.0
In line 767 of DefaultFileSystemManager.java the UriParser's extractScheme()
method is called:
String scheme = UriParser.extractScheme(buffer.toString());
This code was added in revision 780730
http://svn.apache.org/viewvc?view=revision&revision=780730
It is not clear to me why this change was made.
For the FTP provider, buffer contains a plain file name (i.e. without a path
and definitely not in URI form)
A colon is a valid character for a file name.
However a colon will be interpreted as a URI scheme name.
This causes an exception when the resolved path is checked using
AbstractFileName.checkName()
Sample code:
FileObject fo =
VFS.getManager().resolveFile("ftp://user:pass@host/some/path/some.file";);
fo.getParent().getChildren();
If /some/path/ contains a child such as PREFIX:SUFFIX then an exception is
thrown:
Exception in thread "main" org.apache.commons.vfs2.FileSystemException: Invalid
descendent file name "PREFIX:SUFFIX".
at
org.apache.commons.vfs2.impl.DefaultFileSystemManager.resolveName(DefaultFileSystemManager.java:791)
at
org.apache.commons.vfs2.provider.AbstractFileObject.getChildren(AbstractFileObject.java:710)
at
org.apache.commons.vfs2.provider.ftp.FtpFileObject.getChildren(FtpFileObject.java:420)
Therefore calling code is unable to list the children of the specified folder.
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