Example usage for org.apache.commons.net.ftp FTP BINARY_FILE

Introduction

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

Prototype

int BINARY_FILE_TYPE

To view the source code for org.apache.commons.net.ftp FTP BINARY_FILE_TYPE.

Click Source Link

Document

A constant used to indicate the file(s) being transfered should be treated as a binary image, i.e., no translations should be performed.

Usage

From source file:net.sf.ufsc.ftp.FtpFile.java

/**
 * @see net.sf.ufsc.File#getInputStream()
 *//*from  w w w . j ava2 s  . co  m*/
public InputStream getInputStream() throws IOException {
    return this.getInputStream(FTP.BINARY_FILE_TYPE);
}

From source file:be.thomasmore.controller.FileController.java

public String uploadFile() throws IOException {
    String server = "logic.sinners.be";
    int port = 21;
    String user = "logic_java";
    String pass = "scoretracker";

    FTPClient ftpClient = new FTPClient();
    try {//  w ww  . j a va 2s  .  c  o  m
        ftpClient.connect(server, port);
        ftpClient.login(user, pass);
        ftpClient.enterLocalPassiveMode();

        ftpClient.setFileType(FTP.BINARY_FILE_TYPE);

        String firstRemoteFile = getFileName(part);
        InputStream inputStream = part.getInputStream();

        System.out.println("Bestand uploaden");
        boolean done = ftpClient.storeFile(firstRemoteFile, inputStream);
        inputStream.close();
        if (done) {
            System.out.println("Het bestand is succesvol upgeload.");
            statusMessage = "De gegevens werden succesvol ingeladen.";
        }

    } catch (IOException ex) {
        System.out.println("Fout: " + ex.getMessage());
        statusMessage = "Er is een fout opgetreden: " + ex.getMessage();
        ex.printStackTrace();
    } finally {
        try {
            if (ftpClient.isConnected()) {
                ftpClient.logout();
                ftpClient.disconnect();
            }
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }

    /*
     //De bestandsnaam uit het bestand (part) halen
     String fileName = getFileName(part);
     System.out.println("***** fileName: " + fileName);
            
     String basePath = "C:" + File.separator + "data" + File.separator;
            
     File outputFilePath = new File(basePath + fileName);
            
     //Streams aanmaken om het upgeloade bestand naar de destination te kopiren
     InputStream inputStream = null;
     OutputStream outputStream = null;
     try {
     inputStream = part.getInputStream();
     outputStream = new FileOutputStream(outputFilePath);
            
     int read = 0;
     final byte[] bytes = new byte[1024];
     while ((read = inputStream.read(bytes)) != -1) {
     outputStream.write(bytes, 0, read);
     }
     statusMessage = "De gegevens werden succesvol ingeladen.";
     } catch (IOException e) {
     e.printStackTrace();
     statusMessage = "Er is een fout opgetreden.";
     } finally {
     if (outputStream != null) {
     outputStream.close();
     }
     if (inputStream != null) {
     inputStream.close();
     }
     }*/
    leesExcel();

    return null;
}

From source file:demo.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 .j  a v a 2 s. c o m
    boolean localActive = false, useEpsvWithIPv4 = false, feat = false, printHash = false;
    boolean mlst = false, mlsd = false, mdtm = false, saveUnparseable = 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;
    String encoding = null;
    String serverTimeZoneId = null;
    String displayTimeZoneId = null;
    String serverType = null;
    String defaultDateFormat = null;
    String recentDateFormat = 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("-E")) {
            encoding = args[++base];
        } 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("-m")) {
            mdtm = 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];
            System.out.println("protocal:" + protocol);
        } else if (args[base].equals("-S")) {
            serverType = args[++base];
        } else if (args[base].equals("-t")) {
            mlst = true;
            minParams = 3;
        } else if (args[base].equals("-U")) {
            saveUnparseable = true;
        } 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("-y")) {
            defaultDateFormat = args[++base];
        } else if (args[base].equals("-Y")) {
            recentDateFormat = args[++base];
        } else if (args[base].equals("-Z")) {
            serverTimeZoneId = args[++base];
        } else if (args[base].equals("-z")) {
            displayTimeZoneId = 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]
    {
        if (args.length > 0) {
            System.err.println("Actual Parameters: " + Arrays.toString(args));
        }
        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]);
        System.out.println("server:" + server);
        System.out.println("port:" + port);
    }
    if (username == null) {
        username = args[base++];
        password = args[base++];
        System.out.println("username:" + username);
        System.out.println("password:" + password);
    }

    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);
    }
    if (encoding != null) {
        ftp.setControlEncoding(encoding);
    }
    ftp.setListHiddenFiles(hidden);

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

    final FTPClientConfig config;
    if (serverType != null) {
        config = new FTPClientConfig(serverType);
    } else {
        config = new FTPClientConfig();
    }
    config.setUnparseableEntries(saveUnparseable);
    if (defaultDateFormat != null) {
        config.setDefaultDateFormatStr(defaultDateFormat);
    }
    if (recentDateFormat != null) {
        config.setRecentDateFormatStr(recentDateFormat);
    }
    ftp.configure(config);

    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();
        }
        // Allow multiple list types for single invocation
        else if (listFiles || mlsd || mdtm || mlst || listNames) {
            if (mlsd) {
                for (FTPFile f : ftp.mlistDir(remote)) {
                    System.out.println(f.getRawListing());
                    System.out.println(f.toFormattedString(displayTimeZoneId));
                }
            }
            if (mdtm) {
                FTPFile f = ftp.mdtmFile(remote);
                System.out.println(f.getRawListing());
                System.out.println(f.toFormattedString(displayTimeZoneId));
            }
            if (mlst) {
                FTPFile f = ftp.mlistFile(remote);
                if (f != null) {
                    System.out.println(f.toFormattedString(displayTimeZoneId));
                }
            }
            if (listNames) {
                for (String s : ftp.listNames(remote)) {
                    System.out.println(s);
                }
            }
            // Do this last because it changes the client
            if (listFiles) {
                if (lenient || serverTimeZoneId != null) {
                    config.setLenientFutureDates(lenient);
                    if (serverTimeZoneId != null) {
                        config.setServerTimeZoneId(serverTimeZoneId);
                    }
                    ftp.configure(config);
                }

                for (FTPFile f : ftp.listFiles(remote)) {
                    System.out.println(f.getRawListing());
                    System.out.println(f.toFormattedString(displayTimeZoneId));
                }
            }
        } 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:de.awtools.basic.io.FTPWrapper.java

/**
 * Binr Modus ein./*from  ww  w.  j a  v  a  2s  .  c om*/
 *
 * @return true, alles in Ordnung; false, sonst.
 * @throws IOException Da ging was schief.
 */
public boolean binary() throws IOException {
    return ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
}

From source file:com.seajas.search.contender.service.modifier.AbstractModifierService.java

/**
 * Retrieve the FTP client belonging to the given URI.
 * //from  w  w  w.  j av  a  2s  .  c o  m
 * @param uri
 * @return FTPClient
 */
protected FTPClient retrieveFtpClient(final URI uri) {
    // Create the FTP client

    FTPClient ftpClient = uri.getScheme().equalsIgnoreCase("ftps") ? new FTPSClient() : new FTPClient();

    try {
        ftpClient.connect(uri.getHost(), uri.getPort() != -1 ? uri.getPort() : 21);

        if (!FTPReply.isPositiveCompletion(ftpClient.getReplyCode())) {
            ftpClient.disconnect();

            logger.error("Could not connect to the given FTP server " + uri.getHost()
                    + (uri.getPort() != -1 ? ":" + uri.getPort() : "") + " - " + ftpClient.getReplyString());

            return null;
        }

        if (StringUtils.hasText(uri.getUserInfo())) {
            if (uri.getUserInfo().contains(":"))
                ftpClient.login(uri.getUserInfo().substring(0, uri.getUserInfo().indexOf(":")),
                        uri.getUserInfo().substring(uri.getUserInfo().indexOf(":") + 1));
            else
                ftpClient.login(uri.getUserInfo(), "");
        }

        if (!FTPReply.isPositiveCompletion(ftpClient.getReplyCode())) {
            ftpClient.disconnect();

            logger.error("Could not login to the given FTP server " + uri.getHost()
                    + (uri.getPort() != -1 ? ":" + uri.getPort() : "") + " - " + ftpClient.getReplyString());

            return null;
        }

        // Switch to PASV and BINARY mode

        ftpClient.enterLocalPassiveMode();
        ftpClient.setFileType(FTP.BINARY_FILE_TYPE);

        return ftpClient;
    } catch (IOException e) {
        logger.error("Could not close input stream during archive processing", e);
    }

    return null;
}

From source file:fr.lille1.car.burihabwa.rest.utils.FTPAdapterImpl.java

@Override
public File retr(final String path) throws IOException {
    if (!authenticate()) {
        throw new IOException("Wrong username and password!");
    }//from ww w . ja v a  2 s  .  com
    if (path == null || path.isEmpty()) {
        throw new IOException("A path to the file must be given!");
    }
    String[] tokens = path.split("/");
    String filename = tokens[tokens.length - 1];
    File file = new File(filename);
    file.createNewFile();
    file.deleteOnExit();
    FileOutputStream fos = new FileOutputStream(file);
    this.client.setBufferSize(4096);
    this.client.setFileType(FTP.BINARY_FILE_TYPE);
    boolean retr = this.client.retrieveFile(path, fos);
    if (!retr) {
        fos.close();
        file.delete();
    }
    fos.close();
    this.client.logout();
    this.client.disconnect();
    return file;
}

From source file:com.knowbout.epg.processor.Downloader.java

private void connect() throws IOException {
    client.connect(server);//from   www  .j  a  v  a 2 s . c  o  m
    boolean loggedIn = client.login(username, password);
    client.enterLocalPassiveMode();
    log.debug("Able to log into " + server + "? " + loggedIn);
    client.setFileType(FTP.BINARY_FILE_TYPE);
    client.changeWorkingDirectory(remoteWorkingDirectory);
    client.setReaderThread(false);
    log.debug("Working directory: " + client.printWorkingDirectory());
}

From source file:com.tumblr.maximopro.iface.router.FTPHandler.java

@Override
public byte[] invoke(Map<String, ?> metaData, byte[] data) throws MXException {
    byte[] encodedData = super.invoke(metaData, data);
    this.metaData = metaData;

    FTPClient ftp;//from w w  w.  j a v  a2  s .  c o m
    if (enableSSL()) {
        FTPSClient ftps = new FTPSClient(isImplicit());
        ftps.setTrustManager(TrustManagerUtils.getAcceptAllTrustManager());
        ftp = ftps;
    } else {
        ftp = new FTPClient();
    }

    InputStream is = null;
    try {

        if (getTimeout() > 0) {
            ftp.setDefaultTimeout(getTimeout());
        }

        if (getBufferSize() > 0) {
            ftp.setBufferSize(getBufferSize());
        }

        if (getNoDelay()) {
            ftp.setTcpNoDelay(getNoDelay());
        }

        ftp.connect(getHostname(), getPort());

        int reply = ftp.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp.disconnect();
        }

        if (!ftp.login(getUsername(), getPassword())) {
            ftp.logout();
            ftp.disconnect();
        }

        ftp.setFileType(FTP.BINARY_FILE_TYPE);

        if (enableActive()) {
            ftp.enterLocalActiveMode();
        } else {
            ftp.enterLocalPassiveMode();
        }

        is = new ByteArrayInputStream(encodedData);

        String remoteFileName = getFileName(metaData);

        ftp.changeWorkingDirectory("/");
        if (createDirectoryStructure(ftp, getDirName().split("/"))) {
            ftp.storeFile(remoteFileName, is);
        } else {
            throw new MXApplicationException("iface", "cannotcreatedir");
        }

        ftp.logout();
    } catch (MXException e) {
        throw e;
    } catch (SocketException e) {
        throw new MXApplicationException("iface", "ftpsocketerror", e);
    } catch (IOException e) {
        throw new MXApplicationException("iface", "ftpioerror", e);
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                throw new MXApplicationException("iface", "ftpioerror", e);
            }
        }

        if (ftp != null && ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException e) {
                throw new MXApplicationException("iface", "ftpioerror", e);
            }
        }
    }

    return null;
}

From source file:it.baywaylabs.jumpersumo.utility.FTPDownloadImage.java

/**
 * Background thread that download photo from the robot and prepare it for local processing or for Twitter reply.<br />
 * This method is called when invoke <b>execute()</b>.<br />
 * Do not invoke manually. Use: <i>new FTPDownloadImage().execute("");</i>
 *
 * @param params The parameters of the task. They can be <b>"local"</b> or <b>"twitter"</b>.
 * @return Null if everything was going ok.
 * @see #onPreExecute()//from w  ww .  j av a  2s . c om
 * @see #onPostExecute
 * @see #publishProgress
 */
@Override
protected String doInBackground(String... params) {

    String resultFileName = "";
    try {
        mFTPClient = new FTPClient();
        // connecting to the host
        mFTPClient.connect(host, port);

        // Now check the reply code, if positive mean connection success
        if (FTPReply.isPositiveCompletion(mFTPClient.getReplyCode())) {

            // Login using username & password
            boolean status = mFTPClient.login(user, pass);
            mFTPClient.setFileType(FTP.BINARY_FILE_TYPE);
            mFTPClient.enterLocalPassiveMode();

            mFTPClient.changeWorkingDirectory(Constants.DIR_ROBOT_MEDIA);
            FTPFile[] fileList = mFTPClient.listFiles();
            long timestamp = 0l;
            String nameFile = "";
            for (int i = 0; i < fileList.length; i++) {
                if (fileList[i].isFile() && fileList[i].getTimestamp().getTimeInMillis() > timestamp) {
                    timestamp = fileList[i].getTimestamp().getTimeInMillis();
                    nameFile = fileList[i].getName();
                }
            }
            Log.d(TAG, "File da scaricare: " + nameFile);

            mFTPClient.enterLocalActiveMode();
            File folder = new File(Constants.DIR_ROBOT_IMG);
            OutputStream outputStream = null;
            boolean success = true;
            if (!folder.exists()) {
                success = folder.mkdir();
            }

            if (params.length != 0 && !"".equals(nameFile))
                if ("local".equals(params[0])) {
                    try {
                        outputStream = new FileOutputStream(folder.getAbsolutePath() + "/" + nameFile);
                        success = mFTPClient.retrieveFile(nameFile, outputStream);
                    } catch (Exception e) {
                        return e.getMessage();
                    } finally {
                        if (outputStream != null) {
                            outputStream.close();
                        }
                    }
                    if (success) {
                        resultFileName = nameFile;
                        ContentResolver contentResolver = context.getContentResolver();
                        Bitmap bitmap = BitmapFactory.decodeFile(folder.getAbsolutePath() + "/" + nameFile);
                        Log.e(TAG, "FileName: " + folder.getAbsolutePath() + "/" + nameFile);
                        MediaStore.Images.Media.insertImage(contentResolver, bitmap, nameFile,
                                "Jumper Sumo Photo");

                        mFTPClient.deleteFile(nameFile);

                        File[] list = folder.listFiles();
                        for (int i = 0; i < list.length; i++) {
                            if (nameFile.equals(list[i].getName()))
                                list[i].delete();
                        }

                    }
                } else if ("twitter".equals(params[0])) {
                    try {
                        outputStream = new FileOutputStream(folder.getAbsolutePath() + "/" + nameFile);
                        success = mFTPClient.retrieveFile(nameFile, outputStream);
                    } catch (Exception e) {
                        return e.getMessage();
                    } finally {
                        if (outputStream != null) {
                            outputStream.close();
                        }
                    }
                    if (success) {
                        resultFileName = nameFile;
                        mFTPClient.deleteFile(nameFile);
                    }
                }
        }
    } catch (Exception e) {
        return e.getMessage();
    } finally {
        if (mFTPClient != null) {
            try {
                mFTPClient.logout();
                mFTPClient.disconnect();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    if (!"".equals(resultFileName))
        return resultFileName;
    return null;
}

From source file:com.mirth.connect.connectors.file.filesystems.FtpConnection.java

public FtpConnection(String host, int port, FileSystemConnectionOptions fileSystemOptions, boolean passive,
        int timeout, FTPClient client) throws Exception {
    this.client = client;
    // This sets the timeout for read operations on data sockets. It does not affect write operations.
    client.setDataTimeout(timeout);//from  w  ww  .j a va2s .  c  o  m

    // This sets the timeout for the initial connection.
    client.setConnectTimeout(timeout);

    try {
        if (port > 0) {
            client.connect(host, port);
        } else {
            client.connect(host);
        }

        // This sets the timeout for read operations on the command socket. As per JavaDoc comments, you should only call this after the connection has been opened by connect()
        client.setSoTimeout(timeout);

        if (!FTPReply.isPositiveCompletion(client.getReplyCode())) {
            throw new IOException("Ftp error: " + client.getReplyCode());
        }
        if (!client.login(fileSystemOptions.getUsername(), fileSystemOptions.getPassword())) {
            throw new IOException("Ftp error: " + client.getReplyCode());
        }
        if (!client.setFileType(FTP.BINARY_FILE_TYPE)) {
            throw new IOException("Ftp error");
        }

        initialize();

        if (passive) {
            client.enterLocalPassiveMode();
        }
    } catch (Exception e) {
        if (client.isConnected()) {
            client.disconnect();
        }
        throw e;
    }
}

Example usage for org.apache.commons.net.ftp FTP BINARY_FILE_TYPE

Introduction

Prototype

Document

Usage