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From "Niall Pemberton (JIRA)" <j...@apache.org>
Subject [jira] Issue Comment Edited: (IO-198) Add ability in FileFilterUtils to apply file filters to collections and arrays
Date Wed, 29 Sep 2010 03:30:33 GMT

    [ https://issues.apache.org/jira/browse/IO-198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12916002#action_12916002
] 

Niall Pemberton edited comment on IO-198 at 9/28/10 11:28 PM:
--------------------------------------------------------------

Thanks for the patch - I made some changes before I applied it.

The Map filtering seemed a bit odd to me - so I dropped that part of the patch. I also changed
the method signatures and added some additional ones, including support for arrays:

filter() methods that return an array of Files:
{code}
public static File[] filter(IOFileFilter filter, File... files) {
public static File[] filter(IOFileFilter filter, Iterable<File> files) {
{code}

filterList() methods that return a List of Files:
{code}
public static List<File> filterList(IOFileFilter filter, Iterable<File> files)
{
public static List<File> filterList(IOFileFilter filter, File... files) {
{code}

filterSet() methods that return a Set of Files:
{code}
public static Set<File> filterSet(IOFileFilter filter, File... files) {
public static Set<File> filterSet(IOFileFilter filter, Iterable<File> files) {
{code}

      was (Author: niallp):
    Thanks for the patch - I made some changes before I applied it.

The Map filtering seemed a bit odd to me - so I dropped that part of the patch. I also changed
the method signatures and added some additional ones, including support for arrays:

{code}
public static File[] filter(IOFileFilter filter, File... files) {
public static File[] filter(IOFileFilter filter, Iterable<File> files) {
public static List<File> filterList(IOFileFilter filter, Iterable<File> files)
{
public static List<File> filterList(IOFileFilter filter, File... files) {
public static Set<File> filterSet(IOFileFilter filter, File... files) {
public static Set<File> filterSet(IOFileFilter filter, Iterable<File> files) {
{code}
  
> Add ability in FileFilterUtils to apply file filters to collections and arrays
> ------------------------------------------------------------------------------
>
>                 Key: IO-198
>                 URL: https://issues.apache.org/jira/browse/IO-198
>             Project: Commons IO
>          Issue Type: New Feature
>          Components: Filters
>    Affects Versions: 1.4
>         Environment: All
>            Reporter: Michael Wooten
>            Assignee: Niall Pemberton
>            Priority: Minor
>             Fix For: 2.0
>
>         Attachments: commons-io-filefilters.patch
>
>   Original Estimate: 8h
>  Remaining Estimate: 8h
>
> Add features to FileFilterUtils that allow for filtering collections and maps of files
that are not retrieved from directories in the standard manner. This feature could be useful
for filtering files that are provided by the user or that do not all reside in the same directory.

> Example:
> List<File> files = getUserSelectedFiles();
> List<File> xmlFiles = FileFilterUtils.filterList(Arrays.<File>asList(new
File("A.txt"), new File("B.xml")), FileFilterUtils.suffixFileFilter(".xml"));

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