[jira] [Commented] (IO-467) AbstractFileComparator class is not declared 'public'

[Benedikt Ritter (JIRA)]

    [ 
https://issues.apache.org/jira/browse/IO-467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14296830#comment-14296830
 ] 

Benedikt Ritter commented on IO-467:
------------------------------------

The problem is that {{NAME_COMPARATOR}} is defined as follows:

{code:java}
public static final Comparator<File> NAME_COMPARATOR = new NameFileComparator();
{code}

So you're trying to call sort on a Comparator instance and the Comparator 
interface does not define the sort method. To make your example work, change 
your code to:

{code:java}
package myfiles.rename;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.DirectoryWalker;
import org.apache.commons.io.comparator.NameFileComparator;

public class FileRenamer extends DirectoryWalker<String> {

    private static final NameFileComparator COMPARATOR = new 
NameFileComparator();

    @Override
    protected File[] filterDirectoryContents(File directory, int depth, File[] 
files) throws IOException {
        COMPARATOR.sort(files);
        return files;
    }
}
{code}

> AbstractFileComparator class is not declared 'public'
> -----------------------------------------------------
>
>                 Key: IO-467
>                 URL: https://issues.apache.org/jira/browse/IO-467
>             Project: Commons IO
>          Issue Type: Bug
>          Components: Utilities
>    Affects Versions: 2.4
>            Reporter: Lutz Reder
>
> The AbstractFileComparator class in Commons IO 2.4 is not declared 'public', 
> so the sort method is not visible outside its package .



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