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https://issues.apache.org/jira/browse/NET-244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebb updated NET-244:
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Component/s: FTP
> Add a FTPClient.listFiles(FTPFileFilter) method
> -----------------------------------------------
>
> Key: NET-244
> URL: https://issues.apache.org/jira/browse/NET-244
> Project: Commons Net
> Issue Type: New Feature
> Components: FTP
> Affects Versions: 2.0
> Reporter: Matt Lachman
> Priority: Minor
> Attachments: NET-244.pat
>
>
> It would be nice if there was a way to list *only* those files I'm interested
> in. I've had to write a loop a couple of times to figure out which files had
> the right naming conventions. If the API handled that for me, I would have
> less boilerplate code to write.
> I would attach a patch but as of this time I cannot download the source due
> to an internal server error.
> I was imagining the introduction of a new interface
> {{org.apache.commons.net.ftp.FTPFileFilter}} that would be analogous to
> [java.io.FileFilter|http://java.sun.com/javase/6/docs/api/java/io/FileFilter.html]:
> {code}
> package org.apache.commons.net.ftp;
> public interface FTPFileFilter {
> public boolean accept(FTPFile file);
> }
> {code}
> A new method on FTPClient would need to be created to support it. Here's a
> code sample using API calls:
> {code}
> public FTPFile[] listFiles(FTPFileFilter filter) throws IOException {
> FTPFile files = listFiles();
> List<FTPFile> fileList = new ArrayList<FTPFile>(files.length);
> for (FTPFile file : files) {
> if (filter.accept(file)) {
> fileList.add(file);
> }
> }
> return fileList.toArray(new FTPFile[fileList.size()]);
> }
> {code}
> See
> [java.io.File.listFiles(java.io.FileFilter)|http://java.sun.com/javase/6/docs/api/java/io/File.html#listFiles(java.io.FileFilter)]
> for comparison.
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