ftp.FTPClient.initiateListParsing(String parserKey, String pathname) can call
createFileEntryParser with null systemName
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Key: VFS-318
URL: https://issues.apache.org/jira/browse/VFS-318
Project: Commons VFS
Issue Type: Improvement
Reporter: Sebb
ftp.FTPClient.initiateListParsing(String parserKey, String pathname) can call
createFileEntryParser(String) with null systemName if the getSystemName()
method fails.
The resulting ParserInitializationException does not identify the cause.
It would be better to throw a more specific error if the system name cannot be
found.
Ideally, getSystemName() should throw the error, but that would change the
documented behaviour (null is specifically allowed as a return value).
As it happens, getSystemName() is badly named, so one way forward is to create
a new method getSystemType() which never returns null.
Can then deprecate getSystemName().
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