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https://issues.apache.org/jira/browse/IO-237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13290952#comment-13290952
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Sebb commented on IO-237:
-------------------------
Using varargs instead of an array changes the API slightly, in that one can
additionally call the method with no parameters, e.g.
FileUtils.toURLs()
This is not particularly useful - it's equivalent to passing an empty array -
but should probably be added to the unit tests if implemented.
As to supporting Collections: the proposal would add 6 new methods.
Assuming that there is a use case for supporting collections as input, it ought
to be sufficient to add just the following:
List<File> toFiles(Collection<URL>)
List<URL> toURLs(Collection<File>)
Is there really a use case for the additional conversions to/from arrays?
> Add Additional toFiles() and toURLs() Methods to FileUtils
> ----------------------------------------------------------
>
> Key: IO-237
> URL: https://issues.apache.org/jira/browse/IO-237
> Project: Commons IO
> Issue Type: Improvement
> Components: Utilities
> Affects Versions: 2.0
> Environment: Java 1.5+
> Reporter: Michael Wooten
> Fix For: 3.x
>
> Attachments: path-convert-fileArray-andURLArray-into-varargs.patch
>
> Original Estimate: 10h
> Remaining Estimate: 10h
>
> I suggest modifying the signatures of the toFiles() and toURLs() to use
> varargs since that approach will automatically accept arrays and also allow
> the user to send an arbitrary number of them.
> Convert File[] toFiles(URL[]) to File[] toFiles(URL...)
> Convert URL[] toURLs(File[]) to URL[] toURLs(File...)
> I also suggest adding new methods for converting a collection of URLs or
> Files to an array, or to a List.
> File[] toFiles(Collection<URL>)
> List<File> toFilesList(URL...)
> List<File> toFilesList(Collection<URL>)
> URL[] toURLs(Collection<File>)
> List<URL> toURLsList(File...)
> List<URL> toURLsList(Collection<File>)
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