ch.cyberduck.core.ftp.FTPMlsdListService.java Source code

Introduction

Here is the source code for ch.cyberduck.core.ftp.FTPMlsdListService.java

Source

package ch.cyberduck.core.ftp;

/*
 * Copyright (c) 2002-2013 David Kocher. All rights reserved.
 * http://cyberduck.ch/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * Bug fixes, suggestions and comments should be sent to feedback@cyberduck.ch
 */

import ch.cyberduck.core.AttributedList;
import ch.cyberduck.core.HostPasswordStore;
import ch.cyberduck.core.ListProgressListener;
import ch.cyberduck.core.ListService;
import ch.cyberduck.core.LoginCallback;
import ch.cyberduck.core.Path;
import ch.cyberduck.core.exception.BackgroundException;

import org.apache.commons.net.ftp.FTPCmd;

import java.io.IOException;
import java.util.List;

public class FTPMlsdListService implements ListService {

    private final FTPSession session;

    private final HostPasswordStore keychain;

    private final LoginCallback prompt;

    private final FTPDataResponseReader reader;

    public FTPMlsdListService(final FTPSession session, final HostPasswordStore keychain,
            final LoginCallback prompt) {
        this.session = session;
        this.keychain = keychain;
        this.prompt = prompt;
        this.reader = new FTPMlsdListResponseReader();
    }

    @Override
    public AttributedList<Path> list(final Path directory, final ListProgressListener listener)
            throws BackgroundException {
        try {
            if (!session.getClient().changeWorkingDirectory(directory.getAbsolute())) {
                throw new FTPException(session.getClient().getReplyCode(), session.getClient().getReplyString());
            }
            if (!session.getClient().setFileType(FTPClient.ASCII_FILE_TYPE)) {
                // Set transfer type for traditional data socket file listings. The data transfer is over the
                // data connection in type ASCII or type EBCDIC.
                throw new FTPException(session.getClient().getReplyCode(), session.getClient().getReplyString());
            }
            final List<String> list = new FTPDataFallback(session, keychain, prompt)
                    .data(new DataConnectionAction<List<String>>() {
                        @Override
                        public List<String> execute() throws BackgroundException {
                            try {
                                return session.getClient().list(FTPCmd.MLSD);
                            } catch (IOException e) {
                                throw new FTPExceptionMappingService().map(e);
                            }
                        }
                    }, listener);
            return reader.read(directory, list, listener);
        } catch (IOException e) {
            throw new FTPExceptionMappingService().map("Listing directory {0} failed", e, directory);
        }
    }
}