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From "Scott Hoof (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IO-475) FilenameUtils#normalizeNoEndSeparator returns null for UNC prefix without trailing backslash
Date Tue, 07 Apr 2015 22:06:12 GMT
Scott Hoof created IO-475:
-----------------------------

             Summary: FilenameUtils#normalizeNoEndSeparator returns null for UNC prefix without
trailing backslash
                 Key: IO-475
                 URL: https://issues.apache.org/jira/browse/IO-475
             Project: Commons IO
          Issue Type: Bug
    Affects Versions: 2.4, 2.3, 2.2, 2.1, 2.0.1, 2.0, 1.4
            Reporter: Scott Hoof
            Priority: Minor


FilenameUtils#normalizeNoEndSeparator returns null for UNC prefix without trailing backslash.

The observed behavior is that normalizeNoEndSeparator returns a non-null value for the following
unc-path-prefix:
\\{serverName-or-IP}\
but returns null for the following unc-path-prefix:
\\{serverName-or-IP}

There is nothing in the Microsoft API documentation which would suggest that the second unc-path-prefix
would be invalid.

Therefore the expectation is that they should be treated as equivalent by FilenameUtils#normalizeNoEndSeparator.

The handling of unc-path-prefix is inconsistent with how FilenameUtils#normalizeNoEndSeparator
handles drive relative and drive absolute path prefixes, where each notation is accepted and
returns a non-null --> ( C: and C:\ ).



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