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

Introduction

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

Prototype

int ASCII_FILE_TYPE

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

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Document

A constant used to indicate the file(s) being transfered should be treated as ASCII.

Usage

From source file:de.quadrillenschule.azocamsyncd.ftpservice.FTPConnection.java

public void deleteFiles(int remainingNumber, LocalStorage localStorage) {
    if (remainingNumber < 0) {
        return;//from   w ww . j av a2s  . c om
    }
    if (ftpclient != null) {
        close();
    }
    ftpclient = new FTPClient();

    ftpclient.setDefaultTimeout(TIMEOUT);
    try {

        ftpclient.connect(getLastWorkingConnection());
        LinkedList<AZoFTPFile> afs = discoverRemoteFiles("/", false);
        int todelete = afs.size() - remainingNumber;
        if (todelete > 0) {
            notify(FTPConnectionStatus.DELETING_FILES, "", -1);
            int i = 0;
            Collections.sort(afs, new Comparator<AZoFTPFile>() {

                @Override
                public int compare(AZoFTPFile o1, AZoFTPFile o2) {
                    return o1.ftpFile.getTimestamp().compareTo(o2.ftpFile.getTimestamp());
                }
            });
            close();
            LinkedList<String> deleteables = new LinkedList();
            for (AZoFTPFile af : afs) {
                i++;
                if (localStorage.isFileSynced(af)) {
                    //   deleteSingleFile(lastWorkingConnection)
                    deleteables.add((af.dir + af.ftpFile.getName()));
                    //    System.out.println("Would delete"+af.ftpFile.getName());
                }
                if (i >= todelete) {
                    break;
                }
            }
            simplyConnect(FTP.ASCII_FILE_TYPE);
            for (String s : deleteables) {
                ftpclient.deleteFile(s);

            }
            //   remountSD(deleteables);
            notify(FTPConnectionStatus.SUCCESS, "", -1);

        } else {
            close();
        }

    } catch (IOException ex) {
        close();
    }
    close();
}

From source file:com.o6Systems.utils.net.FTPModule.java

private int executeFtpCommand(String[] args) throws UnknownHostException {
    boolean storeFile = false, binaryTransfer = false, error = false, listFiles = false, listNames = false,
            hidden = false;/*  w  w  w .j a  va  2s  .  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;

    // Print the command

    System.out.println("----------FTP MODULE CALL----------");

    for (int i = 0; i < args.length; i++) {
        System.out.println(args[i]);
    }

    System.out.println("--------------------");
    //

    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;
    }

    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.");
            return 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();
        return 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
            }
        }
    }

    return error ? 1 : 0;
}

From source file:edu.stanford.epad.common.util.FTPUtil.java

public boolean sendFile(String filePath, boolean delete) throws Exception {

    String fileName = filePath;/*from  w w  w .j  av  a 2  s .c om*/
    int slash = fileName.lastIndexOf("/");
    if (slash != -1)
        fileName = fileName.substring(slash + 1);
    slash = fileName.lastIndexOf("\\");
    if (slash != -1)
        fileName = fileName.substring(slash + 1);
    boolean success = true;
    FTPClient ftp = new FTPClient();
    try {
        ftp.connect(ftpHost, ftpPort);
        int reply = ftp.getReplyCode();
        if (FTPReply.isPositiveCompletion(reply)) {
            if (ftp.login(ftpUser, ftpPassword)) {
                if (ftpFolder != null && ftpFolder.trim().length() > 0) {
                    ftp.cwd(ftpFolder);
                    System.out.print("ftp cd: " + ftp.getReplyString());
                }
                ftp.setFileType(FTP.ASCII_FILE_TYPE);
                FileInputStream in = new FileInputStream(filePath);
                success = ftp.storeFile(fileName, in);
                in.close();
                if (delete) {
                    File file = new File(filePath);
                    file.delete();
                }
            } else
                success = false;
        }
    } finally {
        ftp.disconnect();
    }

    return success;
}

From source file:ch.sdi.core.impl.ftp.FTPClientExample.java

/**
*
*///from w  w w  . j a  v a2s.  com
private void run() throws Throwable {
    if (myProtocol == null) {
        if (myProxyHost != null) {
            myLog.debug("Using HTTP proxy server: " + myProxyHost);
            myFtp = new FTPHTTPClient(myProxyHost, myProxyPort, myProxyUser, myProxyPassword);
        } else {
            myFtp = new FTPClient();
        }
    } else {
        FTPSClient ftps;
        if (myProtocol.equals("true")) {
            ftps = new FTPSClient(true);
        } else if (myProtocol.equals("false")) {
            ftps = new FTPSClient(false);
        } else {
            String prot[] = myProtocol.split(",");
            if (prot.length == 1) { // Just protocol
                ftps = new FTPSClient(myProtocol);
            } else { // protocol,true|false
                ftps = new FTPSClient(prot[0], Boolean.parseBoolean(prot[1]));
            }
        }
        myFtp = ftps;
        if ("all".equals(myTrustmgr)) {
            ftps.setTrustManager(TrustManagerUtils.getAcceptAllTrustManager());
        } else if ("valid".equals(myTrustmgr)) {
            ftps.setTrustManager(TrustManagerUtils.getValidateServerCertificateTrustManager());
        } else if ("none".equals(myTrustmgr)) {
            ftps.setTrustManager(null);
        }
    }

    if (myPrintHash) {
        myFtp.setCopyStreamListener(createListener());
    }
    if (myKeepAliveTimeout >= 0) {
        myFtp.setControlKeepAliveTimeout(myKeepAliveTimeout);
    }
    if (myControlKeepAliveReplyTimeout >= 0) {
        myFtp.setControlKeepAliveReplyTimeout(myControlKeepAliveReplyTimeout);
    }
    myFtp.setListHiddenFiles(myHidden);

    // intercept commands and write it to our logger
    myPrintCommandToLoggerListener = new PrintCommandToLoggerListener(myLog);
    PrintWriter writer = myPrintCommandToLoggerListener.getPrintWriter();
    myFtp.addProtocolCommandListener(new PrintCommandListener(writer, true, '\n', true));
    //        myFtp.addProtocolCommandListener( new PrintCommandListener( new PrintWriter( System.out ), true ) );

    try {
        int reply;
        if (myPort > 0) {
            myFtp.connect(myServer, myPort);
        } else {
            myFtp.connect(myServer);
        }

        myLog.debug("Connected to " + myServer + " on " + (myPort > 0 ? myPort : myFtp.getDefaultPort()));

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

        if (!FTPReply.isPositiveCompletion(reply)) {
            myFtp.disconnect();
            throw new Exception("FTP server refused connection.");
        }
    } catch (IOException e) {
        if (myFtp.isConnected()) {
            try {
                myFtp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        throw new Exception("Could not connect to server.", e);
    }

    try {
        if (!myFtp.login(myUsername, myPassword)) {
            myFtp.logout();
            throw createFtpException("Problems on login");
        }

        myLog.debug("Remote system is " + myFtp.getSystemType());

        if (myBinaryTransfer) {
            myFtp.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
            myFtp.setFileType(FTP.ASCII_FILE_TYPE);
        }

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

        myFtp.setUseEPSVwithIPv4(myUseEpsvWithIPv4);

        if (myStoreFile) {
            InputStream input;

            input = new FileInputStream(myLocal);

            myFtp.storeFile(myRemote, input);

            input.close();
        } else if (myListFiles) {
            if (myLenient) {
                FTPClientConfig config = new FTPClientConfig();
                config.setLenientFutureDates(true);
                myFtp.configure(config);
            }

            for (FTPFile f : myFtp.listFiles(myRemote)) {
                myLog.debug(f.getRawListing());
                myLog.debug(f.toFormattedString());
            }
        } else if (myMlsd) {
            for (FTPFile f : myFtp.mlistDir(myRemote)) {
                myLog.debug(f.getRawListing());
                myLog.debug(f.toFormattedString());
            }
        } else if (myMlst) {
            FTPFile f = myFtp.mlistFile(myRemote);
            if (f != null) {
                myLog.debug(f.toFormattedString());
            }
        } else if (myListNames) {
            for (String s : myFtp.listNames(myRemote)) {
                myLog.debug(s);
            }
        } else if (myFeat) {
            // boolean feature check
            if (myRemote != null) { // See if the command is present
                if (myFtp.hasFeature(myRemote)) {
                    myLog.debug("Has feature: " + myRemote);
                } else {
                    if (FTPReply.isPositiveCompletion(myFtp.getReplyCode())) {
                        myLog.debug("FEAT " + myRemote + " was not detected");
                    } else {
                        throw createFtpException("Command failed");
                    }
                }

                // Strings feature check
                String[] features = myFtp.featureValues(myRemote);
                if (features != null) {
                    for (String f : features) {
                        myLog.debug("FEAT " + myRemote + "=" + f + ".");
                    }
                } else {
                    if (FTPReply.isPositiveCompletion(myFtp.getReplyCode())) {
                        myLog.warn("FEAT " + myRemote + " is not present");
                    } else {
                        throw createFtpException("Command failed");
                    }
                }
            } else {
                if (myFtp.features()) {
                    // Command listener has already printed the output
                } else {
                    throw createFtpException("Command failed");
                }
            }
        } else if (myDoCommand != null) {
            if (myFtp.doCommand(myDoCommand, myRemote)) {
                // Command listener has already printed the output
            } else {
                throw createFtpException("Command failed");
            }
        } else {
            OutputStream output;

            output = new FileOutputStream(myLocal);

            myFtp.retrieveFile(myRemote, output);

            output.close();
        }

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

        myFtp.logout();
    } catch (FTPConnectionClosedException e) {
        throw createFtpException("Server closed connection.");
    } catch (IOException e) {
        throw createFtpException("IOException caught");
    } finally {
        myPrintCommandToLoggerListener.flushRest();

        if (myFtp.isConnected()) {
            try {
                myFtp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
    }

}

From source file:com.sos.VirtualFileSystem.FTP.SOSVfsFtp.java

/**
 * Using ASCII mode for file transfers/*from  w ww .  j av  a 2s  . c  om*/
 * @return True if successfully completed, false if not.
 * @throws IOException If an I/O error occurs while either sending a
 * command to the server or receiving a reply from the server.
 */
@Override
public void ascii() {
    final String conMethodName = conClassName + "::ascii";

    try {
        boolean flgResult = Client().setFileType(FTP.ASCII_FILE_TYPE);
        if (flgResult == false) {
            throw new JobSchedulerException(SOSVfs_E_149.params(getReplyString()));
        }
    } catch (IOException e) {
        RaiseException(e, HostID(SOSVfs_E_0105.params(conMethodName)));
    }
}

From source file:com.sos.VirtualFileSystem.FTP.SOSVfsFtpBaseClass.java

/**
 * Using ASCII mode for file transfers/*  w  w w  .  j a  v  a  2s  . c  om*/
 * @return True if successfully completed, false if not.
 * @throws IOException If an I/O error occurs while either sending a
 * command to the server or receiving a reply from the server.
 */
@Override
public void ascii() {
    try {
        boolean flgResult = Client().setFileType(FTP.ASCII_FILE_TYPE);
        if (flgResult == false) {
            throw new JobSchedulerException(SOSVfs_E_149.params(getReplyString()));
        }
    } catch (IOException e) {
        throw new JobSchedulerException(SOSVfs_E_130.params("ascii", e));
    }
}

From source file:network.FtpLogs.java

private void sendFiles() throws SocketException, IOException {
    ftpClient.connect(server, port);/*from  w  w  w  . ja  v  a  2s. c  om*/
    Log.println("Connected to " + server + ".");
    Log.print(ftpClient.getReplyString());
    int reply = ftpClient.getReplyCode();
    if (!FTPReply.isPositiveCompletion(reply)) {
        ftpClient.disconnect();
        Log.println("FTP server refused connection.");
    } else {
        ftpClient.login(user, pass);
        Log.println("Logging in..");
        Log.print(ftpClient.getReplyString());

        ftpClient.enterLocalPassiveMode();
        ftpClient.setControlKeepAliveTimeout(300); // set timeout to 5 minutes.  Send NOOPs to keep control channel alive

        ftpClient.setFileType(FTP.ASCII_FILE_TYPE);

        /**
         * This is currently disabled because the payload store changed.  We probablly only want to send for one
         * satellite as this is only used for debugging
         * 
        sendFile(PayloadStore.RT_LOG);
        sendFile(PayloadStore.MAX_LOG);
        sendFile(PayloadStore.MIN_LOG);
        sendFile(PayloadStore.RAD_LOG);
        */
        ftpClient.disconnect();
    }
}

From source file:onl.area51.filesystem.ftp.client.DefaultFTPClient.java

@Override
public void login(String username, String password) throws IOException {
    if (loggedIn) {
        throw new IllegalStateException("Already logged in");
    }//from ww  w. j av  a 2  s  .  co m

    if (!ftp.login(username, password)) {
        throw new ConnectException("Login failed");
    }

    String systemType = ftp.getSystemType();
    debug(() -> "Remote system is " + systemType);

    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);

    loggedIn = true;
}

From source file:org.alinous.ftp.FtpManager.java

public void setFileType(String sessionId, String typeName) throws IOException {
    FTPClient ftp = this.instances.get(sessionId).getFtp();
    if (typeName.toLowerCase().equals("ascii")) {
        ftp.setFileType(FTP.ASCII_FILE_TYPE);
    } else {//from www.  j a va 2s.co  m
        ftp.setFileType(FTP.BINARY_FILE_TYPE);
    }
}

From source file:org.apache.camel.component.file.remote.FtpOperations.java

public boolean connect(RemoteFileConfiguration configuration) throws GenericFileOperationFailedException {
    log.trace("Connecting using FTPClient: {}", client);

    String host = configuration.getHost();
    int port = configuration.getPort();
    String username = configuration.getUsername();

    if (clientConfig != null) {
        log.trace("Configuring FTPClient with config: {}", clientConfig);
        client.configure(clientConfig);/*from  w w  w  . ja v a  2 s.  co m*/
    }

    if (log.isTraceEnabled()) {
        log.trace("Connecting to {} using connection timeout: {}", configuration.remoteServerInformation(),
                client.getConnectTimeout());
    }

    boolean connected = false;
    int attempt = 0;

    while (!connected) {
        try {
            if (log.isTraceEnabled() && attempt > 0) {
                log.trace("Reconnect attempt #{} connecting to {}", attempt,
                        configuration.remoteServerInformation());
            }
            client.connect(host, port);
            // must check reply code if we are connected
            int reply = client.getReplyCode();

            if (FTPReply.isPositiveCompletion(reply)) {
                // yes we could connect
                connected = true;
            } else {
                // throw an exception to force the retry logic in the catch exception block
                throw new GenericFileOperationFailedException(client.getReplyCode(), client.getReplyString(),
                        "Server refused connection");
            }
        } catch (Exception e) {
            // check if we are interrupted so we can break out
            if (Thread.currentThread().isInterrupted()) {
                throw new GenericFileOperationFailedException("Interrupted during connecting",
                        new InterruptedException("Interrupted during connecting"));
            }

            GenericFileOperationFailedException failed;
            if (e instanceof GenericFileOperationFailedException) {
                failed = (GenericFileOperationFailedException) e;
            } else {
                failed = new GenericFileOperationFailedException(client.getReplyCode(), client.getReplyString(),
                        e.getMessage(), e);
            }

            log.trace("Cannot connect due: {}", failed.getMessage());
            attempt++;
            if (attempt > endpoint.getMaximumReconnectAttempts()) {
                throw failed;
            }
            if (endpoint.getReconnectDelay() > 0) {
                try {
                    Thread.sleep(endpoint.getReconnectDelay());
                } catch (InterruptedException ie) {
                    // we could potentially also be interrupted during sleep
                    Thread.currentThread().interrupt();
                    throw new GenericFileOperationFailedException("Interrupted during sleeping", ie);
                }
            }
        }
    }

    // must enter passive mode directly after connect
    if (configuration.isPassiveMode()) {
        log.trace("Using passive mode connections");
        client.enterLocalPassiveMode();
    }

    // must set soTimeout after connect
    if (endpoint instanceof FtpEndpoint) {
        FtpEndpoint<?> ftpEndpoint = (FtpEndpoint<?>) endpoint;
        if (ftpEndpoint.getSoTimeout() > 0) {
            log.trace("Using SoTimeout=" + ftpEndpoint.getSoTimeout());
            try {
                client.setSoTimeout(ftpEndpoint.getSoTimeout());
            } catch (IOException e) {
                throw new GenericFileOperationFailedException(client.getReplyCode(), client.getReplyString(),
                        e.getMessage(), e);
            }
        }
    }

    try {
        boolean login;
        if (username != null) {
            log.trace("Attempting to login user: {} using password: {}", username, configuration.getPassword());
            login = client.login(username, configuration.getPassword());
        } else {
            log.trace("Attempting to login anonymous");
            login = client.login("anonymous", "");
        }
        log.trace("User {} logged in: {}", username != null ? username : "anonymous", login);
        if (!login) {
            throw new GenericFileOperationFailedException(client.getReplyCode(), client.getReplyString());
        }
        client.setFileType(configuration.isBinary() ? FTP.BINARY_FILE_TYPE : FTP.ASCII_FILE_TYPE);
    } catch (IOException e) {
        throw new GenericFileOperationFailedException(client.getReplyCode(), client.getReplyString(),
                e.getMessage(), e);
    }

    // site commands
    if (endpoint.getConfiguration().getSiteCommand() != null) {
        // commands can be separated using new line
        Iterator<?> it = ObjectHelper.createIterator(endpoint.getConfiguration().getSiteCommand(), "\n");
        while (it.hasNext()) {
            Object next = it.next();
            String command = endpoint.getCamelContext().getTypeConverter().convertTo(String.class, next);
            log.trace("Site command to send: {}", command);
            if (command != null) {
                boolean result = sendSiteCommand(command);
                if (!result) {
                    throw new GenericFileOperationFailedException(
                            "Site command: " + command + " returned false");
                }
            }
        }
    }

    return true;
}

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

Introduction

Prototype

Document

Usage