/**
 * Sets the character encoding used by the FTP control connection.
 * Some FTP servers require that commands be issued in a non-ASCII
 * encoding like UTF-8 so that filenames with multi-byte character
 * representations (e.g, Big 8) can be specified.
 *
 * @param encoding The new character encoding for the control connection.
 */
public void setControlEncoding(String encoding) {
    _controlEncoding = encoding;
}


/**
 * @return The character encoding used to communicate over the
 * control connection.
 */
public String getControlEncoding() {
    return _controlEncoding;
}

import com.enterprisedt.net.ftp.FileTransferClient;
import com.enterprisedt.util.debug.Level;
import com.enterprisedt.util.debug.Logger;
import java.io.File;

public class UploadDownloadFiles {

    public static void main(String[] args) {

        // we want remote host, user name and password
        if (args.length < 3) {
            System.out
                    .println("Usage: run remote-host username password");
            System.exit(1);
        }

        // extract command-line arguments
        String host = args[0];
        String username = args[1];
        String password = args[2];
        String filename = "UploadDownloadFiles.java";

        // set up logger so that we get some output
        Logger log = Logger.getLogger(UploadDownloadFiles.class);
        Logger.setLevel(Level.INFO);

        FileTransferClient ftp = null;

        try {
            // create client
            log.info("Creating FTP client");
            ftp = new FileTransferClient();

            // set remote host
            ftp.setRemoteHost(host);
            ftp.setUserName(username);
            ftp.setPassword(password);

            // connect to the server
            log.info("Connecting to server " + host);
            ftp.connect();
            log.info("Connected and logged in to server " + host);

            log.info("Uploading file");
            ftp.uploadFile(filename, filename);
            log.info("File uploaded");

            log.info("Downloading file");
            ftp.downloadFile(filename + ".copy", filename);
            log.info("File downloaded");

            log.info("Deleting remote file");
            ftp.deleteFile(filename);
            log.info("Deleted remote file");

            File file = new File(filename + ".copy");
            file.delete();
            log.info("Deleted local file copy");

            // Shut down client
            log.info("Quitting client");
            ftp.disconnect();

            log.info("Example complete");

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}

import com.enterprisedt.net.ftp.FileTransferClient;

/**
 * 可以设置连接时的字符集的FTP客户端.
 * @author BeanSoft
 * 2008-11
 */
public class SetEncodingFileTransferClient extends FileTransferClient {
    /**
     * 设置连接时的字符集, 默认值是US-ASCII.
     * @param controlEncoding 字符集名, 如GB2312等
     */
    public synchronized void setControlEncoding(String controlEncoding) {
        super.masterContext.setControlEncoding(controlEncoding);
   }
}

import java.io.File;

import com.enterprisedt.util.debug.Level;
import com.enterprisedt.util.debug.Logger;

public class UploadDownloadFiles {

    public static void main(String[] args) {
        // extract command-line arguments
        String host = "localhost";
        String username = "test";
        String password = "test";
        String filename = "图片输出.gif";

        // set up logger so that we get some output
        Logger log = Logger.getLogger(UploadDownloadFiles.class);
        Logger.setLevel(Level.INFO);

        SetEncodingFileTransferClient ftp = null;

        try {
            // create client
            log.info("Creating FTP client");
            ftp = new SetEncodingFileTransferClient();

            // set remote host
            ftp.setRemoteHost(host);
            ftp.setUserName(username);
            ftp.setPassword(password);
            ftp.setControlEncoding("GB2312");

            // connect to the server
            log.info("Connecting to server " + host);
            ftp.connect();
            log.info("Connected and logged in to server " + host);

            log.info("Uploading file");
            ftp.uploadFile(filename, filename);
            log.info("File uploaded");

            log.info("Downloading file");
            ftp.downloadFile(filename + ".copy", filename);
            log.info("File downloaded");

            log.info("Deleting remote file");
            //ftp.deleteFile(filename);
            log.info("Deleted remote file");

            File file = new File(filename + ".copy");
           // file.delete();
            log.info("Deleted local file copy");

            // Shut down client
            log.info("Quitting client");
            ftp.disconnect();

            log.info("Example complete");

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}

import com.enterprisedt.net.ftp.FTPClient;
import com.enterprisedt.net.ftp.pro.ProFTPClient;
import com.enterprisedt.util.debug.Level;
import com.enterprisedt.util.debug.Logger;
import java.io.File;

public class TransferMultipleFilesDirectories {

    public static void main(String[] args) {

        // we want remote host, user name and password
        if (args.length < 5) {
            System.out
                    .println("Usage: run remote-host username password localdir remotedir");
            System.exit(1);
        }

        // extract command-line arguments
        String host = args[0];
        String username = args[1];
        String password = args[2];
        String localDir = args[3];
        String remoteDir = args[4];

        // set up logger so that we get some output
        Logger log = Logger.getLogger(TransferMultipleFilesDirectories.class);
        Logger.setLevel(Level.DEBUG);

        ProFTPClient ftp = null;

        try {
            // create client
            log.info("Creating FTP client");
            ftp = new ProFTPClient();

            // set remote host
            log.info("Setting remote host");
            ftp.setRemoteHost(host);

            // connect to the server
            log.info("Connecting to server " + host);
            ftp.connect();
            log.info("Connected to server " + host);

            // log in
            log.info("Logging in with username=" + username + " and password="
                    + password);
            ftp.login(username, password);
            log.info("Logged in");

            log.info("Uploading directory");
            ftp.mput(localDir, remoteDir, "*.html", true);
            log.info("Directory uploaded");
            
            log.info("Downloading directory");
            ftp.mget(localDir + ".copy", remoteDir, "*.html", true);
            log.info("Directory downloaded");
            
            log.info("Deleting remote directory");
            ftp.rmdir(remoteDir, true);
            log.info("Remote directory deleted");

            // Shut down client
            log.info("Quitting client");
            ftp.quit();

            log.info("Example complete");

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}