Проба пера - FTP connect

import org.apache.commons.net.ftp.*;
import java.util.Vector;
import java.io.*;
import java.net.UnknownHostException;

public boolean connectAndLogin (String host, String userName, String password)
throws IOException, UnknownHostException, FTPConnectionClosedException {
boolean success = false;
connect(host);
int reply = getReplyCode();
if (FTPReply.isPositiveCompletion(reply))
success = login(userName, password);
if (!success)
disconnect();
return success;
}

public void setPassiveMode(boolean setPassive) {
if (setPassive)
enterLocalPassiveMode();
else
enterLocalActiveMode();
}

public boolean ascii () throws IOException {
return setFileType(FTP.ASCII_FILE_TYPE);
}

public boolean binary () throws IOException {
return setFileType(FTP.BINARY_FILE_TYPE);
}

public boolean downloadFile (String serverFile, String localFile)
throws IOException, FTPConnectionClosedException {
FileOutputStream out = new FileOutputStream(localFile);
boolean result = retrieveFile(serverFile, out);
out.close();
return result;
}

public boolean uploadFile (String localFile, String serverFile)
throws IOException, FTPConnectionClosedException {
FileInputStream in = new FileInputStream(localFile);
boolean result = storeFile(serverFile, in);
in.close();
return result;
}

public Vector listFileNames ()
throws IOException, FTPConnectionClosedException {
FTPFile[] files = listFiles();
Vector v = new Vector();
for (int i = 0; i < files.length; i++) {
if (!files[i].isDirectory())
v.addElement(files[i].getName());
}
return v;
}

public String listFileNamesString ()
throws IOException, FTPConnectionClosedException {
return vectorToString(listFileNames(), "\n");
}

public Vector listSubdirNames ()
throws IOException, FTPConnectionClosedException {
FTPFile[] files = listFiles();
Vector v = new Vector();
for (int i = 0; i < files.length; i++) {
if (files[i].isDirectory())
v.addElement(files[i].getName());
}
return v;
}


/** Создать новую директорию */
public int mkd(String dir) throws IOException {
return sendCommand(FTPCommand.MKD, dir);
}
/** Удалить файл */
public int deletfile (String file) throws IOException {
return sendCommand(FTPCommand.DELE, file);
}
/** Удалить директорию */
public int rmdir(String dir) throws IOException {
return sendCommand(FTPCommand.RMD, dir);
}
/** текущая директория */
public int pwd() throws IOException {
return sendCommand(FTPCommand.PWD);
}
/** сменить директория */
public int сwd(String dir) throws IOException {
return sendCommand(FTPCommand.CWD, dir);
}

public String listSubdirNamesString ()
throws IOException, FTPConnectionClosedException {
return vectorToString(listSubdirNames(), "\n");
}

private String vectorToString (Vector v, String delim) { StringBuffer sb = new StringBuffer();
String s = "";
for (int i = 0; i < v.size(); i++) {
sb.append(s).append((String)v.elementAt(i));
s = delim;
}
return sb.toString();
}
}