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

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

Introduction

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

Prototype

public boolean isConnected() 

Source Link

Document

Returns true if the client is currently connected to a server.

Usage

From source file:nz.co.jsrsolutions.ds3.provider.CMEEodDataProvider.java

public CMEEodDataProvider(String hostname, String basePath, CMEEodDataProviderExchangeDescriptor[] descriptors)
        throws EodDataProviderException {

    _hostname = hostname;/*from  ww  w. jav a2 s . com*/
    _basePath = basePath;
    _descriptors = descriptors;

    FTPClient ftp = new FTPClient();
    FTPClientConfig config = new FTPClientConfig();
    ftp.configure(config);
    boolean error = false;
    try {
        int reply;
        ftp.connect(_hostname);
        _logger.info("Connected to " + _hostname);
        _logger.info(ftp.getReplyString());

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

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp.disconnect();
            _logger.error("FTP server refused connection.");
            throw new EodDataProviderException("FTP server refused connection.");
        }

        boolean result = ftp.login("anonymous", "jsr@argusat.com");

        result = ftp.changeWorkingDirectory(_basePath);
        reply = ftp.getReplyCode();
        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp.disconnect();
            _logger.error(reply);
            throw new EodDataProviderException("Failed to cd into " + _basePath);
        }

        for (CMEEodDataProviderExchangeDescriptor descriptor : _descriptors) {

            OutputStream output = new ByteArrayOutputStream();

            String modificationTime = ftp.getModificationTime(descriptor.getFilename());

            // 213 20131202235804\r\n

            result = ftp.retrieveFile(descriptor.getFilename(), output);

            output.close();
        }

        ftp.logout();
    } catch (IOException e) {
        error = true;
        e.printStackTrace();
    } finally {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException ioe) {
                // do nothing
            }
        }
    }
}

From source file:org.abstracthorizon.proximity.storage.remote.CommonsNetFtpRemotePeer.java

public boolean containsItem(String path) throws StorageException {
    FTPClient client = null;
    try {/*from   w w w  . j a v a 2s.co m*/
        client = getFTPClient();
        try {
            if (client.changeWorkingDirectory(
                    concatPaths(getRemoteUrl().getPath(), FilenameUtils.getPath(path)))) {
                FTPFile[] fileList = client.listFiles(FilenameUtils.getName(path));
                if (fileList.length == 1) {
                    return true;
                } else {
                    return false;
                }
            } else {
                return false;
            }
        } catch (IOException ex) {
            throw new StorageException("Cannot execute FTP operation on remote peer.", ex);
        }
    } finally {
        try {
            if (client.isConnected()) {
                client.disconnect();
            }
        } catch (IOException ex) {
            logger.warn("Could not disconnect FTPClient", ex);
        }
    }
}

From source file:org.abstracthorizon.proximity.storage.remote.CommonsNetFtpRemotePeer.java

public Item retrieveItem(String path, boolean propsOnly) throws ItemNotFoundException, StorageException {
    String originatingUrlString = getAbsoluteUrl(path);
    FTPClient client = null;
    try {// w  w w  .  j  a va2 s .  c  o  m
        client = getFTPClient();
        try {
            if (client.changeWorkingDirectory(
                    concatPaths(getRemoteUrl().getPath(), FilenameUtils.getPath(path)))) {
                FTPFile[] fileList = client.listFiles(FilenameUtils.getName(path));
                if (fileList.length == 1) {
                    FTPFile ftpFile = fileList[0];
                    ItemProperties properties = constructItemPropertiesFromGetResponse(path,
                            originatingUrlString, ftpFile);
                    Item result = new Item();
                    if (properties.isFile()) {
                        // TODO: Solve this in a better way
                        File tmpFile = File.createTempFile(FilenameUtils.getName(path), null);
                        tmpFile.deleteOnExit();
                        FileOutputStream fos = new FileOutputStream(tmpFile);
                        try {
                            client.retrieveFile(FilenameUtils.getName(path), fos);
                            fos.flush();
                        } finally {
                            fos.close();
                        }
                        result.setStream(new DeleteOnCloseFileInputStream(tmpFile));
                    } else {
                        result.setStream(null);
                    }
                    result.setProperties(properties);
                    return result;
                } else {
                    throw new ItemNotFoundException(
                            "Item " + path + " not found in FTP remote peer of " + getRemoteUrl());
                }
            } else {
                throw new ItemNotFoundException("Path " + FilenameUtils.getPath(path)
                        + " not found in FTP remote peer of " + getRemoteUrl());
            }
        } catch (IOException ex) {
            throw new StorageException("Cannot execute FTP operation on remote peer.", ex);
        }
    } finally {
        try {
            if (client.isConnected()) {
                client.disconnect();
            }
        } catch (IOException ex) {
            logger.warn("Could not disconnect FTPClient", ex);
        }
    }
}

From source file:org.apache.common.net.examples.ftp.FTPClientExample.java

public static final void main(String[] args) {
    boolean storeFile = false, binaryTransfer = false, error = false, listFiles = false, listNames = false,
            hidden = false;/*from w w  w . j a va2  s  .co  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;

    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("-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 (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]);
    }
    String username = args[base++];
    String 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:org.apache.common.net.examples.ftp.ServerToServerFTP.java

public static final void main(String[] args) {
    String server1, username1, password1, file1;
    String server2, username2, password2, file2;
    String[] parts;//from w  w w  .j av a2 s. c  o  m
    int port1 = 0, port2 = 0;
    FTPClient ftp1, ftp2;
    ProtocolCommandListener listener;

    if (args.length < 8) {
        System.err.println("Usage: ftp <host1> <user1> <pass1> <file1> <host2> <user2> <pass2> <file2>");
        System.exit(1);
    }

    server1 = args[0];
    parts = server1.split(":");
    if (parts.length == 2) {
        server1 = parts[0];
        port1 = Integer.parseInt(parts[1]);
    }
    username1 = args[1];
    password1 = args[2];
    file1 = args[3];
    server2 = args[4];
    parts = server2.split(":");
    if (parts.length == 2) {
        server2 = parts[0];
        port2 = Integer.parseInt(parts[1]);
    }
    username2 = args[5];
    password2 = args[6];
    file2 = args[7];

    listener = new PrintCommandListener(new PrintWriter(System.out), true);
    ftp1 = new FTPClient();
    ftp1.addProtocolCommandListener(listener);
    ftp2 = new FTPClient();
    ftp2.addProtocolCommandListener(listener);

    try {
        int reply;
        if (port1 > 0) {
            ftp1.connect(server1, port1);
        } else {
            ftp1.connect(server1);
        }
        System.out.println("Connected to " + server1 + ".");

        reply = ftp1.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp1.disconnect();
            System.err.println("FTP server1 refused connection.");
            System.exit(1);
        }
    } catch (IOException e) {
        if (ftp1.isConnected()) {
            try {
                ftp1.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        System.err.println("Could not connect to server1.");
        e.printStackTrace();
        System.exit(1);
    }

    try {
        int reply;
        if (port2 > 0) {
            ftp2.connect(server2, port2);
        } else {
            ftp2.connect(server2);
        }
        System.out.println("Connected to " + server2 + ".");

        reply = ftp2.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp2.disconnect();
            System.err.println("FTP server2 refused connection.");
            System.exit(1);
        }
    } catch (IOException e) {
        if (ftp2.isConnected()) {
            try {
                ftp2.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        System.err.println("Could not connect to server2.");
        e.printStackTrace();
        System.exit(1);
    }

    __main: try {
        if (!ftp1.login(username1, password1)) {
            System.err.println("Could not login to " + server1);
            break __main;
        }

        if (!ftp2.login(username2, password2)) {
            System.err.println("Could not login to " + server2);
            break __main;
        }

        // Let's just assume success for now.
        ftp2.enterRemotePassiveMode();

        ftp1.enterRemoteActiveMode(InetAddress.getByName(ftp2.getPassiveHost()), ftp2.getPassivePort());

        // Although you would think the store command should be sent to server2
        // first, in reality, ftp servers like wu-ftpd start accepting data
        // connections right after entering passive mode.  Additionally, they
        // don't even send the positive preliminary reply until after the
        // transfer is completed (in the case of passive mode transfers).
        // Therefore, calling store first would hang waiting for a preliminary
        // reply.
        if (ftp1.remoteRetrieve(file1) && ftp2.remoteStoreUnique(file2)) {
            //      if(ftp1.remoteRetrieve(file1) && ftp2.remoteStore(file2)) {
            // We have to fetch the positive completion reply.
            ftp1.completePendingCommand();
            ftp2.completePendingCommand();
        } else {
            System.err.println("Couldn't initiate transfer.  Check that filenames are valid.");
            break __main;
        }

    } catch (IOException e) {
        e.printStackTrace();
        System.exit(1);
    } finally {
        try {
            if (ftp1.isConnected()) {
                ftp1.logout();
                ftp1.disconnect();
            }
        } catch (IOException e) {
            // do nothing
        }

        try {
            if (ftp2.isConnected()) {
                ftp2.logout();
                ftp2.disconnect();
            }
        } catch (IOException e) {
            // do nothing
        }
    }
}

From source file:org.apache.commons.net.examples.ftp.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 2s.c  o  m*/
    boolean localActive = false, useEpsvWithIPv4 = false, feat = false, printHash = false;
    boolean mlst = false, mlsd = false, mdtm = false, saveUnparseable = false;
    boolean size = 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("-i")) {
            size = true;
            minParams = 3;
        } 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];
        } 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]);
    }
    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);
    }
    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();

            if (keepAliveTimeout > 0) {
                showCslStats(ftp);
            }
        }
        // Allow multiple list types for single invocation
        else if (listFiles || mlsd || mdtm || mlst || listNames || size) {
            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);
                if (f != null) {
                    System.out.println(f.getRawListing());
                    System.out.println(f.toFormattedString(displayTimeZoneId));
                } else {
                    System.out.println("File not found");
                }
            }
            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);
                }
            }
            if (size) {
                System.out.println("Size=" + ftp.getSize(remote));
            }
            // 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();

            if (keepAliveTimeout > 0) {
                showCslStats(ftp);
            }
        }

        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:org.apache.commons.net.examples.ftp.ServerToServerFTP.java

public static void main(String[] args) {
    String server1, username1, password1, file1;
    String server2, username2, password2, file2;
    String[] parts;/*from w  w w  .j a  v  a  2s.  c om*/
    int port1 = 0, port2 = 0;
    FTPClient ftp1, ftp2;
    ProtocolCommandListener listener;

    if (args.length < 8) {
        System.err.println("Usage: ftp <host1> <user1> <pass1> <file1> <host2> <user2> <pass2> <file2>");
        System.exit(1);
    }

    server1 = args[0];
    parts = server1.split(":");
    if (parts.length == 2) {
        server1 = parts[0];
        port1 = Integer.parseInt(parts[1]);
    }
    username1 = args[1];
    password1 = args[2];
    file1 = args[3];
    server2 = args[4];
    parts = server2.split(":");
    if (parts.length == 2) {
        server2 = parts[0];
        port2 = Integer.parseInt(parts[1]);
    }
    username2 = args[5];
    password2 = args[6];
    file2 = args[7];

    listener = new PrintCommandListener(new PrintWriter(System.out), true);
    ftp1 = new FTPClient();
    ftp1.addProtocolCommandListener(listener);
    ftp2 = new FTPClient();
    ftp2.addProtocolCommandListener(listener);

    try {
        int reply;
        if (port1 > 0) {
            ftp1.connect(server1, port1);
        } else {
            ftp1.connect(server1);
        }
        System.out.println("Connected to " + server1 + ".");

        reply = ftp1.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp1.disconnect();
            System.err.println("FTP server1 refused connection.");
            System.exit(1);
        }
    } catch (IOException e) {
        if (ftp1.isConnected()) {
            try {
                ftp1.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        System.err.println("Could not connect to server1.");
        e.printStackTrace();
        System.exit(1);
    }

    try {
        int reply;
        if (port2 > 0) {
            ftp2.connect(server2, port2);
        } else {
            ftp2.connect(server2);
        }
        System.out.println("Connected to " + server2 + ".");

        reply = ftp2.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp2.disconnect();
            System.err.println("FTP server2 refused connection.");
            System.exit(1);
        }
    } catch (IOException e) {
        if (ftp2.isConnected()) {
            try {
                ftp2.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        System.err.println("Could not connect to server2.");
        e.printStackTrace();
        System.exit(1);
    }

    __main: try {
        if (!ftp1.login(username1, password1)) {
            System.err.println("Could not login to " + server1);
            break __main;
        }

        if (!ftp2.login(username2, password2)) {
            System.err.println("Could not login to " + server2);
            break __main;
        }

        // Let's just assume success for now.
        ftp2.enterRemotePassiveMode();

        ftp1.enterRemoteActiveMode(InetAddress.getByName(ftp2.getPassiveHost()), ftp2.getPassivePort());

        // Although you would think the store command should be sent to server2
        // first, in reality, ftp servers like wu-ftpd start accepting data
        // connections right after entering passive mode.  Additionally, they
        // don't even send the positive preliminary reply until after the
        // transfer is completed (in the case of passive mode transfers).
        // Therefore, calling store first would hang waiting for a preliminary
        // reply.
        if (ftp1.remoteRetrieve(file1) && ftp2.remoteStoreUnique(file2)) {
            //      if(ftp1.remoteRetrieve(file1) && ftp2.remoteStore(file2)) {
            // We have to fetch the positive completion reply.
            ftp1.completePendingCommand();
            ftp2.completePendingCommand();
        } else {
            System.err.println("Couldn't initiate transfer. Check that file names are valid.");
            break __main;
        }

    } catch (IOException e) {
        e.printStackTrace();
        System.exit(1);
    } finally {
        try {
            if (ftp1.isConnected()) {
                ftp1.logout();
                ftp1.disconnect();
            }
        } catch (IOException e) {
            // do nothing
        }

        try {
            if (ftp2.isConnected()) {
                ftp2.logout();
                ftp2.disconnect();
            }
        } catch (IOException e) {
            // do nothing
        }
    }
}

From source file:org.apache.hadoop.fs.ftp.FTPFileSystem.java

/**
 * Logout and disconnect the given FTPClient. *
 * //from www.ja  va  2  s.c  o  m
 * @param client
 * @throws IOException
 */
private void disconnect(FTPClient client) throws IOException {
    if (client != null) {
        if (!client.isConnected()) {
            throw new FTPException("Client not connected");
        }
        boolean logoutSuccess = client.logout();
        client.disconnect();
        if (!logoutSuccess) {
            LOG.warn("Logout failed while disconnecting, error code - " + client.getReplyCode());
        }
    }
}

From source file:org.apache.hadoop.fs.ftp.FTPFileSystem.java

/**
 * A stream obtained via this call must be closed before using other APIs of
 * this class or else the invocation will block.
 *//*from   ww w. jav  a  2 s  .  c om*/
@Override
public FSDataOutputStream create(Path file, FsPermission permission, boolean overwrite, int bufferSize,
        short replication, long blockSize, Progressable progress) throws IOException {
    final FTPClient client = connect();
    Path workDir = new Path(client.printWorkingDirectory());
    Path absolute = makeAbsolute(workDir, file);
    if (exists(client, file)) {
        if (overwrite) {
            delete(client, file);
        } else {
            disconnect(client);
            throw new IOException("File already exists: " + file);
        }
    }
    Path parent = absolute.getParent();
    if (parent == null || !mkdirs(client, parent, FsPermission.getDefault())) {
        parent = (parent == null) ? new Path("/") : parent;
        disconnect(client);
        throw new IOException("create(): Mkdirs failed to create: " + parent);
    }
    client.allocate(bufferSize);
    // Change to parent directory on the server. Only then can we write to the
    // file on the server by opening up an OutputStream. As a side effect the
    // working directory on the server is changed to the parent directory of the
    // file. The FTP client connection is closed when close() is called on the
    // FSDataOutputStream.
    client.changeWorkingDirectory(parent.toUri().getPath());
    FSDataOutputStream fos = new FSDataOutputStream(client.storeFileStream(file.getName()), statistics) {
        @Override
        public void close() throws IOException {
            super.close();
            if (!client.isConnected()) {
                throw new FTPException("Client not connected");
            }
            boolean cmdCompleted = client.completePendingCommand();
            disconnect(client);
            if (!cmdCompleted) {
                throw new FTPException("Could not complete transfer, Reply Code - " + client.getReplyCode());
            }
        }
    };
    if (!FTPReply.isPositivePreliminary(client.getReplyCode())) {
        // The ftpClient is an inconsistent state. Must close the stream
        // which in turn will logout and disconnect from FTP server
        fos.close();
        throw new IOException("Unable to create file: " + file + ", Aborting");
    }
    return fos;
}

From source file:org.apache.hadoop.fs.ftp.FTPInputStream.java

public FTPInputStream(InputStream stream, FTPClient client, FileSystem.Statistics stats) {
    if (stream == null) {
        throw new IllegalArgumentException("Null InputStream");
    }//from   w w w. j ava2  s.  c o  m
    if (client == null || !client.isConnected()) {
        throw new IllegalArgumentException("FTP client null or not connected");
    }
    this.wrappedStream = stream;
    this.client = client;
    this.stats = stats;
    this.pos = 0;
    this.closed = false;
}