????
org.apache.commons.io.DirectoryWalker.CancelException
???
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This package defines utility classes for working with streams, readers,
writers and files.
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org.apache.commons.io?DirectoryWalker.CancelException???
??????????protected void
DirectoryWalker.handleCancelled
(File startDirectory, Collection<T> results, DirectoryWalker.CancelException cancel) ????Overridable callback method invoked when the operation is cancelled.