Example usage for org.apache.commons.net.ftp FTPClient retrieveFile

List of usage examples for org.apache.commons.net.ftp FTPClient retrieveFile

Introduction

In this page you can find the example usage for org.apache.commons.net.ftp FTPClient retrieveFile.

Prototype

public boolean retrieveFile(String remote, OutputStream local) throws IOException 

Source Link

Document

Retrieves a named file from the server and writes it to the given OutputStream.

Usage

From source file:Main.java

public static void main(String[] args) {
    FTPClient client = new FTPClient();
    FileOutputStream fos = null;/*from ww w. j av  a2 s. c o  m*/

    client.connect("ftp.domain.com");
    client.login("admin", "secret");

    String filename = "sitemap.xml";
    fos = new FileOutputStream(filename);

    client.retrieveFile("/" + filename, fos);
    fos.close();
    client.disconnect();
}

From source file:com.run.FtpClientExample.java

public static void main(String[] args) {

    FTPClient client = new FTPClient();
    FileOutputStream fos = null;//w  ww  . j a va 2 s .c o m

    try {
        client.connect(ARDroneConstants.IP_ADDRESS, ARDroneConstants.FTP_PORT);

        if (!client.login("anonymous", ""))
            System.err.println("login failed");

        client.setFileType(FTP.BINARY_FILE_TYPE);

        String filename = "version.txt";
        fos = new FileOutputStream(filename);

        if (!client.retrieveFile("/" + filename, fos))
            System.err.println("cannot find file");

        System.out.println("done");
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (fos != null) {
                fos.flush();
                fos.close();
            }
            client.disconnect();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

}

From source file:FTPConnect.FTPBajarArchivo.java

public static void main(String[] args) throws IOException {
    FTPClient ftpClient = new FTPClient();
    FileOutputStream fos = null;/*from ww  w .j  av  a  2s  .  c o m*/
    boolean result;
    try {
        // Connect to the localhost
        ftpClient.connect("localhost");

        // login to ftp server
        result = ftpClient.login("", "");
        if (result == true) {
            System.out.println("Successfully logged in!");
        } else {
            System.out.println("Login Fail!");
            return;
        }
        String fileName = "uploadfile.txt";
        fos = new FileOutputStream(fileName);

        // Download file from the ftp server
        result = ftpClient.retrieveFile(fileName, fos);

        if (result == true) {
            System.out.println("File downloaded successfully !");
        } else {
            System.out.println("File downloading failed !");
        }
        ftpClient.logout();
    } catch (FTPConnectionClosedException e) {
        e.printStackTrace();
    } finally {
        try {
            if (fos != null) {
                fos.close();
            }
            ftpClient.disconnect();
        } catch (FTPConnectionClosedException e) {
            System.err.println(e);
        }
    }
}

From source file:examples.ftp.java

public static final void main(String[] args) {
    int base = 0;
    boolean storeFile = false, binaryTransfer = false, error = false;
    String server, username, password, remote, local;
    FTPClient ftp;

    for (base = 0; base < args.length; base++) {
        if (args[base].startsWith("-s"))
            storeFile = true;//from   w ww.j  av  a  2 s  .  c  o m
        else if (args[base].startsWith("-b"))
            binaryTransfer = true;
        else
            break;
    }

    if ((args.length - base) != 5) {
        System.err.println(USAGE);
        System.exit(1);
    }

    server = args[base++];
    username = args[base++];
    password = args[base++];
    remote = args[base++];
    local = args[base];

    ftp = new FTPClient();
    ftp.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out)));

    try {
        int reply;
        ftp.connect(server);
        System.out.println("Connected to " + server + ".");

        // After connection attempt, you should check the reply code to verify
        // success.
        reply = ftp.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp.disconnect();
            System.err.println("FTP server refused connection.");
            System.exit(1);
        }
    } catch (IOException e) {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        System.err.println("Could not connect to server.");
        e.printStackTrace();
        System.exit(1);
    }

    __main: try {
        if (!ftp.login(username, password)) {
            ftp.logout();
            error = true;
            break __main;
        }

        System.out.println("Remote system is " + ftp.getSystemName());

        if (binaryTransfer)
            ftp.setFileType(FTP.BINARY_FILE_TYPE);

        // Use passive mode as default because most of us are
        // behind firewalls these days.
        ftp.enterLocalPassiveMode();

        if (storeFile) {
            InputStream input;

            input = new FileInputStream(local);

            ftp.storeFile(remote, input);

            input.close();
        } else {
            OutputStream output;

            output = new FileOutputStream(local);

            ftp.retrieveFile(remote, output);

            output.close();
        }

        ftp.logout();
    } catch (FTPConnectionClosedException e) {
        error = true;
        System.err.println("Server closed connection.");
        e.printStackTrace();
    } catch (IOException e) {
        error = true;
        e.printStackTrace();
    } finally {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
    }

    System.exit(error ? 1 : 0);
}

From source file:aplicacion.sistema.version.logic.ftp.java

public static final void main(String[] args) {
    int base = 0;
    boolean storeFile = false, binaryTransfer = false, error = false;
    String server, username, password, remote, local;
    server = "gisbertrepuestos.com.ar";
    username = "gisbertrepuestos.com.ar";
    password = "ipsilon@1982";
    remote = "beta/beta-patch.msp";
    local = "c:/beta-patch-from-ftp.msp";
    FTPClient ftp;
    /*//from   ww w .j a va2s  .c  o  m
    for (base = 0; base < args.length; base++)
    {
    if (args[base].startsWith("-s"))
        storeFile = true;
    else if (args[base].startsWith("-b"))
        binaryTransfer = true;
    else
        break;
    }
            
    if ((args.length - base) != 5)
    {
    System.err.println(USAGE);
    System.exit(1);
    }
            
    server = args[base++];
    username = args[base++];
    password = args[base++];
    remote = args[base++];
    local = args[base];
    */
    ftp = new FTPClient();
    ftp.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out)));

    try {
        int reply;
        ftp.connect(server);
        System.out.println("Connected to " + server + ".");

        // After connection attempt, you should check the reply code to verify
        // success.
        reply = ftp.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp.disconnect();
            System.err.println("FTP server refused connection.");
            System.exit(1);
        }
    } catch (IOException e) {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        System.err.println("Could not connect to server.");
        e.printStackTrace();
        System.exit(1);
    }

    __main: try {
        if (!ftp.login(username, password)) {
            ftp.logout();
            error = true;
            break __main;
        }

        System.out.println("Remote system is " + ftp.getSystemName());

        if (binaryTransfer)
            ftp.setFileType(FTP.BINARY_FILE_TYPE);

        // Use passive mode as default because most of us are
        // behind firewalls these days.
        ftp.enterLocalPassiveMode();

        if (storeFile) {
            InputStream input;

            input = new FileInputStream(local);

            ftp.storeFile(remote, input);

            input.close();
        } else {
            OutputStream output;

            output = new FileOutputStream(local);

            ftp.retrieveFile(remote, output);

            output.close();
        }

        ftp.logout();
    } catch (FTPConnectionClosedException e) {
        error = true;
        System.err.println("Server closed connection.");
        e.printStackTrace();
    } catch (IOException e) {
        error = true;
        e.printStackTrace();
    } finally {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
    }

    System.exit(error ? 1 : 0);
}

From source file:luisjosediez.Ejercicio2.java

/**
 * @param args the command line arguments
 *///from   ww  w  .  j  av  a 2s .c  om
public static void main(String[] args) {
    // TODO code application logic here
    System.out.println("Introduce la direccin de un servidor ftp: ");
    FTPClient cliente = new FTPClient();
    String servFTP = cadena();
    String clave = "";
    System.out.println("Introduce usuario (vaco para conexin annima): ");
    String usuario = cadena();
    String opcion;
    if (usuario.equals("")) {
        clave = "";
    } else {
        System.out.println("Introduce contrasea: ");
        clave = cadena();
    }
    try {
        cliente.setPassiveNatWorkaround(false);
        cliente.connect(servFTP, 21);
        boolean login = cliente.login(usuario, clave);
        if (login) {
            System.out.println("Conexin ok");
        } else {
            System.out.println("Login incorrecto");
            cliente.disconnect();
            System.exit(1);
        }
        do {

            System.out.println("Orden [exit para salir]: ");
            opcion = cadena();
            if (opcion.equals("ls")) {
                FTPFile[] files = cliente.listFiles();
                String tipos[] = { "Fichero", "Directorio", "Enlace" };
                for (int i = 0; i < files.length; i++) {
                    System.out.println("\t" + files[i].getName() + "\t=> " + tipos[files[i].getType()]);
                }
            } else if (opcion.startsWith("cd ")) {
                try {
                    cliente.changeWorkingDirectory(opcion.substring(3));
                } catch (IOException e) {
                }
            } else if (opcion.equals("help")) {
                System.out.println(
                        "Puede ejecutar los comandos 'exit', 'ls', 'cd', 'get' y 'upload'. Para ms detalles utilice 'help <comando>'.");
            } else if (opcion.startsWith("help ")) {
                if (opcion.endsWith(" get")) {
                    System.out.println(
                            "Permite descargar un archivo concreto. Uso: 'get <rutaArchivoADescargar>'.");
                } else if (opcion.endsWith(" ls")) {
                    System.out.println("Lista los ficheros y directorios en la ubicacin actual. Uso: 'ls'.");
                } else if (opcion.endsWith(" cd")) {
                    System.out.println("Permite cambiar la ubicacin actual. Uso: 'cd <rutaDestino>'.");
                } else if (opcion.endsWith(" put")) {
                    System.out.println(
                            "Permite subir un archivo al directorio actual. Uso: 'put <rutaArchivoASubir>'.");
                }
            } else if (opcion.startsWith("get ")) {
                try {
                    System.out.println("Indique la carpeta de descarga: ");
                    try (FileOutputStream fos = new FileOutputStream(cadena() + opcion.substring(4))) {
                        cliente.retrieveFile(opcion.substring(4), fos);
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                } catch (Exception e) {
                }
            } else if (opcion.startsWith("put ")) {
                try {
                    try {

                        System.out.println(opcion.substring(4));

                        File local = new File(opcion.substring(4));

                        System.out.println(local.getName());

                        InputStream is = new FileInputStream(opcion.substring(4));

                        OutputStream os = cliente.storeFileStream(local.getName());

                        byte[] bytesIn = new byte[4096];

                        int read = 0;

                        while ((read = is.read(bytesIn)) != -1) {

                            os.write(bytesIn, 0, read);

                        }

                        is.close();
                        os.close();

                        boolean completed = cliente.completePendingCommand();

                        if (completed) {
                            System.out.println("The file is uploaded successfully.");
                        }

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

        } while (!(opcion.equals("exit")));

        boolean logout = cliente.logout();
        if (logout)
            System.out.println("Logout...");
        else
            System.out.println("Logout incorrecto");

        cliente.disconnect();

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

From source file:com.paul.linknet.FTPClientExample.java

public static void main(String[] args) throws UnknownHostException {
    boolean storeFile = false, binaryTransfer = false, error = false, listFiles = false, listNames = false,
            hidden = false;/*from   w w w . j a  va 2  s .com*/
    boolean localActive = false, useEpsvWithIPv4 = false, feat = false, printHash = false;
    boolean mlst = false, mlsd = false;
    boolean lenient = false;
    long keepAliveTimeout = -1;
    int controlKeepAliveReplyTimeout = -1;
    int minParams = 5; // listings require 3 params
    String protocol = null; // SSL protocol
    String doCommand = null;
    String trustmgr = null;
    String proxyHost = null;
    int proxyPort = 80;
    String proxyUser = null;
    String proxyPassword = null;
    String username = null;
    String password = null;

    int base = 0;
    for (base = 0; base < args.length; base++) {
        if (args[base].equals("-s")) {
            storeFile = true;
        } else if (args[base].equals("-a")) {
            localActive = true;
        } else if (args[base].equals("-A")) {
            username = "anonymous";
            password = System.getProperty("user.name") + "@" + InetAddress.getLocalHost().getHostName();
        } else if (args[base].equals("-b")) {
            binaryTransfer = true;
        } else if (args[base].equals("-c")) {
            doCommand = args[++base];
            minParams = 3;
        } else if (args[base].equals("-d")) {
            mlsd = true;
            minParams = 3;
        } else if (args[base].equals("-e")) {
            useEpsvWithIPv4 = true;
        } else if (args[base].equals("-f")) {
            feat = true;
            minParams = 3;
        } else if (args[base].equals("-h")) {
            hidden = true;
        } else if (args[base].equals("-k")) {
            keepAliveTimeout = Long.parseLong(args[++base]);
        } else if (args[base].equals("-l")) {
            listFiles = true;
            minParams = 3;
        } else if (args[base].equals("-L")) {
            lenient = true;
        } else if (args[base].equals("-n")) {
            listNames = true;
            minParams = 3;
        } else if (args[base].equals("-p")) {
            protocol = args[++base];
        } else if (args[base].equals("-t")) {
            mlst = true;
            minParams = 3;
        } else if (args[base].equals("-w")) {
            controlKeepAliveReplyTimeout = Integer.parseInt(args[++base]);
        } else if (args[base].equals("-T")) {
            trustmgr = args[++base];
        } else if (args[base].equals("-PrH")) {
            proxyHost = args[++base];
            String parts[] = proxyHost.split(":");
            if (parts.length == 2) {
                proxyHost = parts[0];
                proxyPort = Integer.parseInt(parts[1]);
            }
        } else if (args[base].equals("-PrU")) {
            proxyUser = args[++base];
        } else if (args[base].equals("-PrP")) {
            proxyPassword = args[++base];
        } else if (args[base].equals("-#")) {
            printHash = true;
        } else {
            break;
        }
    }

    int remain = args.length - base;
    if (username != null) {
        minParams -= 2;
    }
    if (remain < minParams) // server, user, pass, remote, local [protocol]
    {
        System.err.println(USAGE);
        System.exit(1);
    }

    String server = args[base++];
    int port = 0;
    String parts[] = server.split(":");
    if (parts.length == 2) {
        server = parts[0];
        port = Integer.parseInt(parts[1]);
    }
    if (username == null) {
        username = args[base++];
        password = args[base++];
    }

    String remote = null;
    if (args.length - base > 0) {
        remote = args[base++];
    }

    String local = null;
    if (args.length - base > 0) {
        local = args[base++];
    }

    final FTPClient ftp;
    if (protocol == null) {
        if (proxyHost != null) {
            System.out.println("Using HTTP proxy server: " + proxyHost);
            ftp = new FTPHTTPClient(proxyHost, proxyPort, proxyUser, proxyPassword);
        } else {
            ftp = new FTPClient();
        }
    } else {
        FTPSClient ftps;
        if (protocol.equals("true")) {
            ftps = new FTPSClient(true);
        } else if (protocol.equals("false")) {
            ftps = new FTPSClient(false);
        } else {
            String prot[] = protocol.split(",");
            if (prot.length == 1) { // Just protocol
                ftps = new FTPSClient(protocol);
            } else { // protocol,true|false
                ftps = new FTPSClient(prot[0], Boolean.parseBoolean(prot[1]));
            }
        }
        ftp = ftps;
        if ("all".equals(trustmgr)) {
            ftps.setTrustManager(TrustManagerUtils.getAcceptAllTrustManager());
        } else if ("valid".equals(trustmgr)) {
            ftps.setTrustManager(TrustManagerUtils.getValidateServerCertificateTrustManager());
        } else if ("none".equals(trustmgr)) {
            ftps.setTrustManager(null);
        }
    }

    if (printHash) {
        ftp.setCopyStreamListener(createListener());
    }
    if (keepAliveTimeout >= 0) {
        ftp.setControlKeepAliveTimeout(keepAliveTimeout);
    }
    if (controlKeepAliveReplyTimeout >= 0) {
        ftp.setControlKeepAliveReplyTimeout(controlKeepAliveReplyTimeout);
    }
    ftp.setListHiddenFiles(hidden);

    // suppress login details
    ftp.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true));

    try {
        int reply;
        if (port > 0) {
            ftp.connect(server, port);
        } else {
            ftp.connect(server);
        }
        System.out.println("Connected to " + server + " on " + (port > 0 ? port : ftp.getDefaultPort()));

        // After connection attempt, you should check the reply code to verify
        // success.
        reply = ftp.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp.disconnect();
            System.err.println("FTP server refused connection.");
            System.exit(1);
        }
    } catch (IOException e) {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        System.err.println("Could not connect to server.");
        e.printStackTrace();
        System.exit(1);
    }

    __main: try {
        if (!ftp.login(username, password)) {
            ftp.logout();
            error = true;
            break __main;
        }

        System.out.println("Remote system is " + ftp.getSystemType());

        if (binaryTransfer) {
            ftp.setFileType(FTP.BINARY_FILE_TYPE);
        }

        // Use passive mode as default because most of us are
        // behind firewalls these days.
        if (localActive) {
            ftp.enterLocalActiveMode();
        } else {
            ftp.enterLocalPassiveMode();
        }

        ftp.setUseEPSVwithIPv4(useEpsvWithIPv4);

        if (storeFile) {
            InputStream input;

            input = new FileInputStream(local);

            ftp.storeFile(remote, input);

            input.close();
        } else if (listFiles) {
            if (lenient) {
                FTPClientConfig config = new FTPClientConfig();
                config.setLenientFutureDates(true);
                ftp.configure(config);
            }

            for (FTPFile f : ftp.listFiles(remote)) {
                System.out.println(f.getRawListing());
                System.out.println(f.toFormattedString());
            }
        } else if (mlsd) {
            for (FTPFile f : ftp.mlistDir(remote)) {
                System.out.println(f.getRawListing());
                System.out.println(f.toFormattedString());
            }
        } else if (mlst) {
            FTPFile f = ftp.mlistFile(remote);
            if (f != null) {
                System.out.println(f.toFormattedString());
            }
        } else if (listNames) {
            for (String s : ftp.listNames(remote)) {
                System.out.println(s);
            }
        } else if (feat) {
            // boolean feature check
            if (remote != null) { // See if the command is present
                if (ftp.hasFeature(remote)) {
                    System.out.println("Has feature: " + remote);
                } else {
                    if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                        System.out.println("FEAT " + remote + " was not detected");
                    } else {
                        System.out.println("Command failed: " + ftp.getReplyString());
                    }
                }

                // Strings feature check
                String[] features = ftp.featureValues(remote);
                if (features != null) {
                    for (String f : features) {
                        System.out.println("FEAT " + remote + "=" + f + ".");
                    }
                } else {
                    if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                        System.out.println("FEAT " + remote + " is not present");
                    } else {
                        System.out.println("Command failed: " + ftp.getReplyString());
                    }
                }
            } else {
                if (ftp.features()) {
                    //                        Command listener has already printed the output
                } else {
                    System.out.println("Failed: " + ftp.getReplyString());
                }
            }
        } else if (doCommand != null) {
            if (ftp.doCommand(doCommand, remote)) {
                //                  Command listener has already printed the output
                //                    for(String s : ftp.getReplyStrings()) {
                //                        System.out.println(s);
                //                    }
            } else {
                System.out.println("Failed: " + ftp.getReplyString());
            }
        } else {
            OutputStream output;

            output = new FileOutputStream(local);

            ftp.retrieveFile(remote, output);

            output.close();
        }

        ftp.noop(); // check that control connection is working OK

        ftp.logout();
    } catch (FTPConnectionClosedException e) {
        error = true;
        System.err.println("Server closed connection.");
        e.printStackTrace();
    } catch (IOException e) {
        error = true;
        e.printStackTrace();
    } finally {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
    }

    System.exit(error ? 1 : 0);
}

From source file:FTPClientExample.java

public static void main(String[] args) throws UnknownHostException {
    boolean storeFile = false, binaryTransfer = false, error = false, listFiles = false, listNames = false,
            hidden = false;/*from  w  w  w. j  a  v a 2  s  . c  o  m*/
    boolean localActive = false, useEpsvWithIPv4 = false, feat = false, printHash = false;
    boolean mlst = false, mlsd = false;
    boolean lenient = false;
    long keepAliveTimeout = -1;
    int controlKeepAliveReplyTimeout = -1;
    int minParams = 5; // listings require 3 params
    String protocol = null; // SSL protocol
    String doCommand = null;
    String trustmgr = null;
    String proxyHost = null;
    int proxyPort = 80;
    String proxyUser = null;
    String proxyPassword = null;
    String username = null;
    String password = null;

    int base = 0;
    for (base = 0; base < args.length; base++) {
        if (args[base].equals("-s")) {
            storeFile = true;
        } else if (args[base].equals("-a")) {
            localActive = true;
        } else if (args[base].equals("-A")) {
            username = "anonymous";
            password = System.getProperty("user.name") + "@" + InetAddress.getLocalHost().getHostName();
        } else if (args[base].equals("-b")) {
            binaryTransfer = true;
        } else if (args[base].equals("-c")) {
            doCommand = args[++base];
            minParams = 3;
        } else if (args[base].equals("-d")) {
            mlsd = true;
            minParams = 3;
        } else if (args[base].equals("-e")) {
            useEpsvWithIPv4 = true;
        } else if (args[base].equals("-f")) {
            feat = true;
            minParams = 3;
        } else if (args[base].equals("-h")) {
            hidden = true;
        } else if (args[base].equals("-k")) {
            keepAliveTimeout = Long.parseLong(args[++base]);
        } else if (args[base].equals("-l")) {
            listFiles = true;
            minParams = 3;
        } else if (args[base].equals("-L")) {
            lenient = true;
        } else if (args[base].equals("-n")) {
            listNames = true;
            minParams = 3;
        } else if (args[base].equals("-p")) {
            protocol = args[++base];
        } else if (args[base].equals("-t")) {
            mlst = true;
            minParams = 3;
        } else if (args[base].equals("-w")) {
            controlKeepAliveReplyTimeout = Integer.parseInt(args[++base]);
        } else if (args[base].equals("-T")) {
            trustmgr = args[++base];
        } else if (args[base].equals("-PrH")) {
            proxyHost = args[++base];
            String parts[] = proxyHost.split(":");
            if (parts.length == 2) {
                proxyHost = parts[0];
                proxyPort = Integer.parseInt(parts[1]);
            }
        } else if (args[base].equals("-PrU")) {
            proxyUser = args[++base];
        } else if (args[base].equals("-PrP")) {
            proxyPassword = args[++base];
        } else if (args[base].equals("-#")) {
            printHash = true;
        } else {
            break;
        }
    }

    int remain = args.length - base;
    if (username != null) {
        minParams -= 2;
    }
    if (remain < minParams) // server, user, pass, remote, local [protocol]
    {
        System.err.println(USAGE);
        System.exit(1);
    }

    String server = args[base++];
    int port = 0;
    String parts[] = server.split(":");
    if (parts.length == 2) {
        server = parts[0];
        port = Integer.parseInt(parts[1]);
    }
    if (username == null) {
        username = args[base++];
        password = args[base++];
    }

    String remote = null;
    if (args.length - base > 0) {
        remote = args[base++];
    }

    String local = null;
    if (args.length - base > 0) {
        local = args[base++];
    }

    final FTPClient ftp;
    if (protocol == null) {
        if (proxyHost != null) {
            System.out.println("Using HTTP proxy server: " + proxyHost);
            ftp = new FTPHTTPClient(proxyHost, proxyPort, proxyUser, proxyPassword);
        } else {
            ftp = new FTPClient();
        }
    } else {
        FTPSClient ftps;
        if (protocol.equals("true")) {
            ftps = new FTPSClient(true);
        } else if (protocol.equals("false")) {
            ftps = new FTPSClient(false);
        } else {
            String prot[] = protocol.split(",");
            if (prot.length == 1) { // Just protocol
                ftps = new FTPSClient(protocol);
            } else { // protocol,true|false
                ftps = new FTPSClient(prot[0], Boolean.parseBoolean(prot[1]));
            }
        }
        ftp = ftps;
        if ("all".equals(trustmgr)) {
            ftps.setTrustManager(TrustManagerUtils.getAcceptAllTrustManager());
        } else if ("valid".equals(trustmgr)) {
            ftps.setTrustManager(TrustManagerUtils.getValidateServerCertificateTrustManager());
        } else if ("none".equals(trustmgr)) {
            ftps.setTrustManager(null);
        }
    }

    if (printHash) {
        ftp.setCopyStreamListener(createListener());
    }
    if (keepAliveTimeout >= 0) {
        ftp.setControlKeepAliveTimeout(keepAliveTimeout);
    }
    if (controlKeepAliveReplyTimeout >= 0) {
        ftp.setControlKeepAliveReplyTimeout(controlKeepAliveReplyTimeout);
    }
    ftp.setListHiddenFiles(hidden);

    // suppress login details
    ftp.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true));

    try {
        int reply;
        if (port > 0) {
            ftp.connect(server, port);
        } else {
            ftp.connect(server);
        }
        System.out.println("Connected to " + server + " on " + (port > 0 ? port : ftp.getDefaultPort()));

        // After connection attempt, you should check the reply code to verify
        // success.
        reply = ftp.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp.disconnect();
            System.err.println("FTP server refused connection.");
            System.exit(1);
        }
    } catch (IOException e) {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        System.err.println("Could not connect to server.");
        e.printStackTrace();
        System.exit(1);
    }

    __main: try {
        if (!ftp.login(username, password)) {
            ftp.logout();
            error = true;
            break __main;
        }

        System.out.println("Remote system is " + ftp.getSystemType());

        if (binaryTransfer) {
            ftp.setFileType(FTP.BINARY_FILE_TYPE);
        } else {
            // in theory this should not be necessary as servers should default to ASCII
            // but they don't all do so - see NET-500
            ftp.setFileType(FTP.ASCII_FILE_TYPE);
        }

        // Use passive mode as default because most of us are
        // behind firewalls these days.
        if (localActive) {
            ftp.enterLocalActiveMode();
        } else {
            ftp.enterLocalPassiveMode();
        }

        ftp.setUseEPSVwithIPv4(useEpsvWithIPv4);

        if (storeFile) {
            InputStream input;

            input = new FileInputStream(local);

            ftp.storeFile(remote, input);

            input.close();
        } else if (listFiles) {
            if (lenient) {
                FTPClientConfig config = new FTPClientConfig();
                config.setLenientFutureDates(true);
                ftp.configure(config);
            }

            for (FTPFile f : ftp.listFiles(remote)) {
                System.out.println(f.getRawListing());
                System.out.println(f.toFormattedString());
            }
        } else if (mlsd) {
            for (FTPFile f : ftp.mlistDir(remote)) {
                System.out.println(f.getRawListing());
                System.out.println(f.toFormattedString());
            }
        } else if (mlst) {
            FTPFile f = ftp.mlistFile(remote);
            if (f != null) {
                System.out.println(f.toFormattedString());
            }
        } else if (listNames) {
            for (String s : ftp.listNames(remote)) {
                System.out.println(s);
            }
        } else if (feat) {
            // boolean feature check
            if (remote != null) { // See if the command is present
                if (ftp.hasFeature(remote)) {
                    System.out.println("Has feature: " + remote);
                } else {
                    if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                        System.out.println("FEAT " + remote + " was not detected");
                    } else {
                        System.out.println("Command failed: " + ftp.getReplyString());
                    }
                }

                // Strings feature check
                String[] features = ftp.featureValues(remote);
                if (features != null) {
                    for (String f : features) {
                        System.out.println("FEAT " + remote + "=" + f + ".");
                    }
                } else {
                    if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                        System.out.println("FEAT " + remote + " is not present");
                    } else {
                        System.out.println("Command failed: " + ftp.getReplyString());
                    }
                }
            } else {
                if (ftp.features()) {
                    //                        Command listener has already printed the output
                } else {
                    System.out.println("Failed: " + ftp.getReplyString());
                }
            }
        } else if (doCommand != null) {
            if (ftp.doCommand(doCommand, remote)) {
                //                  Command listener has already printed the output
                //                    for(String s : ftp.getReplyStrings()) {
                //                        System.out.println(s);
                //                    }
            } else {
                System.out.println("Failed: " + ftp.getReplyString());
            }
        } else {
            OutputStream output;

            output = new FileOutputStream(local);

            ftp.retrieveFile(remote, output);

            output.close();
        }

        ftp.noop(); // check that control connection is working OK

        ftp.logout();
    } catch (FTPConnectionClosedException e) {
        error = true;
        System.err.println("Server closed connection.");
        e.printStackTrace();
    } catch (IOException e) {
        error = true;
        e.printStackTrace();
    } finally {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
    }

    System.exit(error ? 1 : 0);
}

From source file:ddc.commons.ftp.FTPClientExample.java

public static void main(String[] args) throws UnknownHostException {
    boolean storeFile = false, binaryTransfer = false, error = false, listFiles = false, listNames = false,
            hidden = false;//w  w  w.  java  2  s.c  o m
    boolean localActive = false, useEpsvWithIPv4 = false, feat = false, printHash = false;
    boolean mlst = false, mlsd = false;
    boolean lenient = false;
    long keepAliveTimeout = -1;
    int controlKeepAliveReplyTimeout = -1;
    int minParams = 5; // listings require 3 params
    String protocol = null; // SSL protocol
    String doCommand = null;
    String trustmgr = null;
    String proxyHost = null;
    int proxyPort = 80;
    String proxyUser = null;
    String proxyPassword = null;
    String username = null;
    String password = null;

    int base = 0;
    for (base = 0; base < args.length; base++) {
        if (args[base].equals("-s")) {
            storeFile = true;
        } else if (args[base].equals("-a")) {
            localActive = true;
        } else if (args[base].equals("-A")) {
            username = "anonymous";
            password = System.getProperty("user.name") + "@" + InetAddress.getLocalHost().getHostName();
        } else if (args[base].equals("-b")) {
            binaryTransfer = true;
        } else if (args[base].equals("-c")) {
            doCommand = args[++base];
            minParams = 3;
        } else if (args[base].equals("-d")) {
            mlsd = true;
            minParams = 3;
        } else if (args[base].equals("-e")) {
            useEpsvWithIPv4 = true;
        } else if (args[base].equals("-f")) {
            feat = true;
            minParams = 3;
        } else if (args[base].equals("-h")) {
            hidden = true;
        } else if (args[base].equals("-k")) {
            keepAliveTimeout = Long.parseLong(args[++base]);
        } else if (args[base].equals("-l")) {
            listFiles = true;
            minParams = 3;
        } else if (args[base].equals("-L")) {
            lenient = true;
        } else if (args[base].equals("-n")) {
            listNames = true;
            minParams = 3;
        } else if (args[base].equals("-p")) {
            protocol = args[++base];
        } else if (args[base].equals("-t")) {
            mlst = true;
            minParams = 3;
        } else if (args[base].equals("-w")) {
            controlKeepAliveReplyTimeout = Integer.parseInt(args[++base]);
        } else if (args[base].equals("-T")) {
            trustmgr = args[++base];
        } else if (args[base].equals("-PrH")) {
            proxyHost = args[++base];
            String parts[] = StringUtils.split(proxyHost, ':');
            if (parts.length == 2) {
                proxyHost = parts[0];
                proxyPort = Integer.parseInt(parts[1]);
            }
        } else if (args[base].equals("-PrU")) {
            proxyUser = args[++base];
        } else if (args[base].equals("-PrP")) {
            proxyPassword = args[++base];
        } else if (args[base].equals("-#")) {
            printHash = true;
        } else {
            break;
        }
    }

    int remain = args.length - base;
    if (username != null) {
        minParams -= 2;
    }
    if (remain < minParams) // server, user, pass, remote, local [protocol]
    {
        System.err.println(USAGE);
        System.exit(1);
    }

    String server = args[base++];
    int port = 0;
    String parts[] = server.split(":");
    if (parts.length == 2) {
        server = parts[0];
        port = Integer.parseInt(parts[1]);
    }
    if (username == null) {
        username = args[base++];
        password = args[base++];
    }

    String remote = null;
    if (args.length - base > 0) {
        remote = args[base++];
    }

    String local = null;
    if (args.length - base > 0) {
        local = args[base++];
    }

    final FTPClient ftp;
    if (protocol == null) {
        if (proxyHost != null) {
            System.out.println("Using HTTP proxy server: " + proxyHost);
            ftp = new FTPHTTPClient(proxyHost, proxyPort, proxyUser, proxyPassword);
        } else {
            ftp = new FTPClient();
        }
    } else {
        FTPSClient ftps;
        if (protocol.equals("true")) {
            ftps = new FTPSClient(true);
        } else if (protocol.equals("false")) {
            ftps = new FTPSClient(false);
        } else {
            String prot[] = protocol.split(",");
            if (prot.length == 1) { // Just protocol
                ftps = new FTPSClient(protocol);
            } else { // protocol,true|false
                ftps = new FTPSClient(prot[0], Boolean.parseBoolean(prot[1]));
            }
        }
        ftp = ftps;
        if ("all".equals(trustmgr)) {
            ftps.setTrustManager(TrustManagerUtils.getAcceptAllTrustManager());
        } else if ("valid".equals(trustmgr)) {
            ftps.setTrustManager(TrustManagerUtils.getValidateServerCertificateTrustManager());
        } else if ("none".equals(trustmgr)) {
            ftps.setTrustManager(null);
        }
    }

    if (printHash) {
        ftp.setCopyStreamListener(createListener());
    }
    if (keepAliveTimeout >= 0) {
        ftp.setControlKeepAliveTimeout(keepAliveTimeout);
    }
    if (controlKeepAliveReplyTimeout >= 0) {
        ftp.setControlKeepAliveReplyTimeout(controlKeepAliveReplyTimeout);
    }
    ftp.setListHiddenFiles(hidden);

    // suppress login details
    ftp.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true));

    try {
        int reply;
        if (port > 0) {
            ftp.connect(server, port);
        } else {
            ftp.connect(server);
        }
        System.out.println("Connected to " + server + " on " + (port > 0 ? port : ftp.getDefaultPort()));

        // After connection attempt, you should check the reply code to verify
        // success.
        reply = ftp.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp.disconnect();
            System.err.println("FTP server refused connection.");
            System.exit(1);
        }
    } catch (IOException e) {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        System.err.println("Could not connect to server.");
        e.printStackTrace();
        System.exit(1);
    }

    __main: try {
        if (!ftp.login(username, password)) {
            ftp.logout();
            error = true;
            break __main;
        }

        System.out.println("Remote system is " + ftp.getSystemType());

        if (binaryTransfer) {
            ftp.setFileType(FTP.BINARY_FILE_TYPE);
        } else {
            // in theory this should not be necessary as servers should default to ASCII
            // but they don't all do so - see NET-500
            ftp.setFileType(FTP.ASCII_FILE_TYPE);
        }

        // Use passive mode as default because most of us are
        // behind firewalls these days.
        if (localActive) {
            ftp.enterLocalActiveMode();
        } else {
            ftp.enterLocalPassiveMode();
        }

        ftp.setUseEPSVwithIPv4(useEpsvWithIPv4);

        if (storeFile) {
            InputStream input;

            input = new FileInputStream(local);

            ftp.storeFile(remote, input);

            input.close();
        } else if (listFiles) {
            if (lenient) {
                FTPClientConfig config = new FTPClientConfig();
                config.setLenientFutureDates(true);
                ftp.configure(config);
            }

            for (FTPFile f : ftp.listFiles(remote)) {
                System.out.println(f.getRawListing());
                System.out.println(f.toFormattedString());
            }
        } else if (mlsd) {
            for (FTPFile f : ftp.mlistDir(remote)) {
                System.out.println(f.getRawListing());
                System.out.println(f.toFormattedString());
            }
        } else if (mlst) {
            FTPFile f = ftp.mlistFile(remote);
            if (f != null) {
                System.out.println(f.toFormattedString());
            }
        } else if (listNames) {
            for (String s : ftp.listNames(remote)) {
                System.out.println(s);
            }
        } else if (feat) {
            // boolean feature check
            if (remote != null) { // See if the command is present
                if (ftp.hasFeature(remote)) {
                    System.out.println("Has feature: " + remote);
                } else {
                    if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                        System.out.println("FEAT " + remote + " was not detected");
                    } else {
                        System.out.println("Command failed: " + ftp.getReplyString());
                    }
                }

                // Strings feature check
                String[] features = ftp.featureValues(remote);
                if (features != null) {
                    for (String f : features) {
                        System.out.println("FEAT " + remote + "=" + f + ".");
                    }
                } else {
                    if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                        System.out.println("FEAT " + remote + " is not present");
                    } else {
                        System.out.println("Command failed: " + ftp.getReplyString());
                    }
                }
            } else {
                if (ftp.features()) {
                    //                        Command listener has already printed the output
                } else {
                    System.out.println("Failed: " + ftp.getReplyString());
                }
            }
        } else if (doCommand != null) {
            if (ftp.doCommand(doCommand, remote)) {
                //                  Command listener has already printed the output
                //                    for(String s : ftp.getReplyStrings()) {
                //                        System.out.println(s);
                //                    }
            } else {
                System.out.println("Failed: " + ftp.getReplyString());
            }
        } else {
            OutputStream output;

            output = new FileOutputStream(local);

            ftp.retrieveFile(remote, output);

            output.close();
        }

        ftp.noop(); // check that control connection is working OK

        ftp.logout();
    } catch (FTPConnectionClosedException e) {
        error = true;
        System.err.println("Server closed connection.");
        e.printStackTrace();
    } catch (IOException e) {
        error = true;
        e.printStackTrace();
    } finally {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
    }

    System.exit(error ? 1 : 0);
}

From source file:by.FTPClientExample.java

public static void main(String[] args) throws UnknownHostException {
    boolean storeFile = false, binaryTransfer = false, error = false, listFiles = false, listNames = false,
            hidden = false;/*from w  ww .j  av  a2  s.c o m*/
    boolean localActive = false, useEpsvWithIPv4 = false, feat = false, printHash = false;
    boolean mlst = false, mlsd = false;
    boolean lenient = false;
    long keepAliveTimeout = -1;
    int controlKeepAliveReplyTimeout = -1;
    int minParams = 5; // listings require 3 params
    String protocol = null; // SSL protocol
    String doCommand = null;
    String trustmgr = null;
    String proxyHost = null;
    int proxyPort = 80;
    String proxyUser = null;
    String proxyPassword = null;
    String username = null;
    String password = null;

    int base = 0;
    for (base = 0; base < args.length; base++) {
        if (args[base].equals("-s")) {
            storeFile = true;
        } else if (args[base].equals("-a")) {
            localActive = true;
        } else if (args[base].equals("-A")) {
            username = "anonymous";
            password = System.getProperty("user.name") + "@" + InetAddress.getLocalHost().getHostName();
        } else if (args[base].equals("-b")) {
            binaryTransfer = true;
        } else if (args[base].equals("-c")) {
            doCommand = args[++base];
            minParams = 3;
        } else if (args[base].equals("-d")) {
            mlsd = true;
            minParams = 3;
        } else if (args[base].equals("-e")) {
            useEpsvWithIPv4 = true;
        } else if (args[base].equals("-f")) {
            feat = true;
            minParams = 3;
        } else if (args[base].equals("-h")) {
            hidden = true;
        } else if (args[base].equals("-k")) {
            keepAliveTimeout = Long.parseLong(args[++base]);
        } else if (args[base].equals("-l")) {
            listFiles = true;
            minParams = 3;
        } else if (args[base].equals("-L")) {
            lenient = true;
        } else if (args[base].equals("-n")) {
            listNames = true;
            minParams = 3;
        } else if (args[base].equals("-p")) {
            protocol = args[++base];
        } else if (args[base].equals("-t")) {
            mlst = true;
            minParams = 3;
        } else if (args[base].equals("-w")) {
            controlKeepAliveReplyTimeout = Integer.parseInt(args[++base]);
        } else if (args[base].equals("-T")) {
            trustmgr = args[++base];
        } else if (args[base].equals("-PrH")) {
            proxyHost = args[++base];
            String parts[] = proxyHost.split(":");
            if (parts.length == 2) {
                proxyHost = parts[0];
                proxyPort = Integer.parseInt(parts[1]);
            }
        } else if (args[base].equals("-PrU")) {
            proxyUser = args[++base];
        } else if (args[base].equals("-PrP")) {
            proxyPassword = args[++base];
        } else if (args[base].equals("-#")) {
            printHash = true;
        } else {
            break;
        }
    }

    int remain = args.length - base;
    if (username != null) {
        minParams -= 2;
    }
    if (remain < minParams) // server, user, pass, remote, local [protocol]
    {
        System.err.println(USAGE);
        System.exit(1);
    }

    String server = args[base++];
    int port = 0;
    String parts[] = server.split(":");
    if (parts.length == 2) {
        server = parts[0];
        port = Integer.parseInt(parts[1]);
    }
    if (username == null) {
        username = args[base++];
        password = args[base++];
    }

    String remote = null;
    if (args.length - base > 0) {
        remote = args[base++];
    }

    String local = null;
    if (args.length - base > 0) {
        local = args[base++];
    }

    final FTPClient ftp;
    if (protocol == null) {
        if (proxyHost != null) {
            System.out.println("Using HTTP proxy server: " + proxyHost);
            ftp = new FTPHTTPClient(proxyHost, proxyPort, proxyUser, proxyPassword);
        } else {
            ftp = new FTPClient();
        }
    } else {
        FTPSClient ftps;
        if (protocol.equals("true")) {
            ftps = new FTPSClient(true);
        } else if (protocol.equals("false")) {
            ftps = new FTPSClient(false);
        } else {
            String prot[] = protocol.split(",");
            if (prot.length == 1) { // Just protocol
                ftps = new FTPSClient(protocol);
            } else { // protocol,true|false
                ftps = new FTPSClient(prot[0], Boolean.parseBoolean(prot[1]));
            }
        }
        ftp = ftps;
        if ("all".equals(trustmgr)) {
            ftps.setTrustManager(TrustManagerUtils.getAcceptAllTrustManager());
        } else if ("valid".equals(trustmgr)) {
            ftps.setTrustManager(TrustManagerUtils.getValidateServerCertificateTrustManager());
        } else if ("none".equals(trustmgr)) {
            ftps.setTrustManager(null);
        }
    }

    if (printHash) {
        ftp.setCopyStreamListener(createListener());
    }
    if (keepAliveTimeout >= 0) {
        ftp.setControlKeepAliveTimeout(keepAliveTimeout);
    }
    if (controlKeepAliveReplyTimeout >= 0) {
        ftp.setControlKeepAliveReplyTimeout(controlKeepAliveReplyTimeout);
    }
    ftp.setListHiddenFiles(hidden);

    // suppress login details
    ftp.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true));

    try {
        int reply;
        if (port > 0) {
            System.out.println(server + ":" + port);
            ftp.connect(server, port);
        } else {
            ftp.connect(server);
        }
        System.out.println("Connected to " + server + " on " + (port > 0 ? port : ftp.getDefaultPort()));

        // After connection attempt, you should check the reply code to verify
        // success.
        reply = ftp.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp.disconnect();
            System.err.println("FTP server refused connection.");
            System.exit(1);
        }
    } catch (IOException e) {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        System.err.println("Could not connect to server.");
        e.printStackTrace();
        System.exit(1);
    }

    __main: try {
        System.out.println("???" + username + "," + password);
        if (!ftp.login(username, password)) {
            ftp.logout();
            error = true;
            break __main;
        }

        System.out.println("Remote system is " + ftp.getSystemType());

        if (binaryTransfer) {
            ftp.setFileType(FTP.BINARY_FILE_TYPE);
        } else {
            // in theory this should not be necessary as servers should default to ASCII
            // but they don't all do so - see NET-500
            ftp.setFileType(FTP.ASCII_FILE_TYPE);
        }

        // Use passive mode as default because most of us are
        // behind firewalls these days.
        if (localActive) {
            ftp.enterLocalActiveMode();
        } else {
            ftp.enterLocalPassiveMode();
        }

        ftp.setUseEPSVwithIPv4(useEpsvWithIPv4);

        if (storeFile) {
            InputStream input;

            input = new FileInputStream(local);

            ftp.storeFile(remote, input);

            input.close();
        } else if (listFiles) {
            if (lenient) {
                FTPClientConfig config = new FTPClientConfig();
                config.setLenientFutureDates(true);
                ftp.configure(config);
            }

            for (FTPFile f : ftp.listFiles(remote)) {
                System.out.println(f.getRawListing());
                System.out.println(f.toFormattedString());
            }
        } else if (mlsd) {
            for (FTPFile f : ftp.mlistDir(remote)) {
                System.out.println(f.getRawListing());
                System.out.println(f.toFormattedString());
            }
        } else if (mlst) {
            FTPFile f = ftp.mlistFile(remote);
            if (f != null) {
                System.out.println(f.toFormattedString());
            }
        } else if (listNames) {
            for (String s : ftp.listNames(remote)) {
                System.out.println(s);
            }
        } else if (feat) {
            // boolean feature check
            if (remote != null) { // See if the command is present
                if (ftp.hasFeature(remote)) {
                    System.out.println("Has feature: " + remote);
                } else {
                    if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                        System.out.println("FEAT " + remote + " was not detected");
                    } else {
                        System.out.println("Command failed: " + ftp.getReplyString());
                    }
                }

                // Strings feature check
                String[] features = ftp.featureValues(remote);
                if (features != null) {
                    for (String f : features) {
                        System.out.println("FEAT " + remote + "=" + f + ".");
                    }
                } else {
                    if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                        System.out.println("FEAT " + remote + " is not present");
                    } else {
                        System.out.println("Command failed: " + ftp.getReplyString());
                    }
                }
            } else {
                if (ftp.features()) {
                    //                        Command listener has already printed the output
                } else {
                    System.out.println("Failed: " + ftp.getReplyString());
                }
            }
        } else if (doCommand != null) {
            if (ftp.doCommand(doCommand, remote)) {
                //                  Command listener has already printed the output
                //                    for(String s : ftp.getReplyStrings()) {
                //                        System.out.println(s);
                //                    }
            } else {
                System.out.println("Failed: " + ftp.getReplyString());
            }
        } else {
            OutputStream output;

            output = new FileOutputStream(local);

            ftp.retrieveFile(remote, output);

            output.close();
        }

        ftp.noop(); // check that control connection is working OK

        ftp.logout();
    } catch (FTPConnectionClosedException e) {
        error = true;
        System.err.println("Server closed connection.");
        e.printStackTrace();
    } catch (IOException e) {
        error = true;
        e.printStackTrace();
    } finally {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
    }

    System.exit(error ? 1 : 0);
}