Example usage for org.apache.commons.net.ftp FTPHTTPClient FTPHTTPClient

List of usage examples for org.apache.commons.net.ftp FTPHTTPClient FTPHTTPClient

Introduction

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

Prototype

public FTPHTTPClient(String proxyHost, int proxyPort, String proxyUser, String proxyPass) 

Source Link

Usage

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

/**
*
*//*from   w w w  .  j a v  a 2s.c om*/
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:fr.ibp.nifi.processors.IBPFTPTransfer.java

private FTPClient getClient(final FlowFile flowFile) throws IOException {
    if (client != null) {
        String desthost = ctx.getProperty(HOSTNAME).evaluateAttributeExpressions(flowFile).getValue();
        if (remoteHostName.equals(desthost)) {
            // destination matches so we can keep our current session
            resetWorkingDirectory();/*  w  w w. j  a va2  s .co m*/
            return client;
        } else {
            // this flowFile is going to a different destination, reset
            // session
            close();
        }
    }

    final Proxy.Type proxyType = Proxy.Type.valueOf(ctx.getProperty(PROXY_TYPE).getValue());
    final String proxyHost = ctx.getProperty(PROXY_HOST).getValue();
    final Integer proxyPort = ctx.getProperty(PROXY_PORT).asInteger();
    FTPClient client;
    if (proxyType == Proxy.Type.HTTP) {
        client = new FTPHTTPClient(proxyHost, proxyPort, ctx.getProperty(HTTP_PROXY_USERNAME).getValue(),
                ctx.getProperty(HTTP_PROXY_PASSWORD).getValue());
    } else {
        client = new FTPClient();
        if (proxyType == Proxy.Type.SOCKS) {
            client.setSocketFactory(new SocksProxySocketFactory(
                    new Proxy(proxyType, new InetSocketAddress(proxyHost, proxyPort))));
        }
    }
    this.client = client;
    client.setDataTimeout(ctx.getProperty(DATA_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
    client.setDefaultTimeout(
            ctx.getProperty(CONNECTION_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
    client.setRemoteVerificationEnabled(false);

    final String remoteHostname = ctx.getProperty(HOSTNAME).evaluateAttributeExpressions(flowFile).getValue();
    this.remoteHostName = remoteHostname;
    InetAddress inetAddress = null;
    try {
        inetAddress = InetAddress.getByAddress(remoteHostname, null);
    } catch (final UnknownHostException uhe) {
    }

    if (inetAddress == null) {
        inetAddress = InetAddress.getByName(remoteHostname);
    }

    client.connect(inetAddress, ctx.getProperty(PORT).evaluateAttributeExpressions(flowFile).asInteger());
    this.closed = false;
    client.setDataTimeout(ctx.getProperty(DATA_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
    client.setSoTimeout(ctx.getProperty(CONNECTION_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());

    final String username = ctx.getProperty(USERNAME).evaluateAttributeExpressions(flowFile).getValue();
    final String password = ctx.getProperty(PASSWORD).evaluateAttributeExpressions(flowFile).getValue();
    final boolean loggedIn = client.login(username, password);
    if (!loggedIn) {
        throw new IOException("Could not login for user '" + username + "'");
    }

    final String connectionMode = ctx.getProperty(CONNECTION_MODE).getValue();
    if (connectionMode.equalsIgnoreCase(CONNECTION_MODE_ACTIVE)) {
        client.enterLocalActiveMode();
    } else {
        client.enterLocalPassiveMode();
    }

    final String transferMode = ctx.getProperty(TRANSFER_MODE).evaluateAttributeExpressions(flowFile)
            .getValue();
    final int fileType = (transferMode.equalsIgnoreCase(TRANSFER_MODE_ASCII)) ? FTPClient.ASCII_FILE_TYPE
            : FTPClient.BINARY_FILE_TYPE;
    if (!client.setFileType(fileType)) {
        throw new IOException("Unable to set transfer mode to type " + transferMode);
    }

    this.homeDirectory = client.printWorkingDirectory();
    return client;
}

From source file:com.clickha.nifi.processors.util.FTPTransferV2.java

private FTPClient getClient(final FlowFile flowFile) throws IOException {
    if (client != null) {
        String desthost = ctx.getProperty(HOSTNAME).evaluateAttributeExpressions(flowFile).getValue();
        if (remoteHostName.equals(desthost)) {
            // destination matches so we can keep our current session
            resetWorkingDirectory();//w  ww.j  a va  2  s  . com
            return client;
        } else {
            // this flowFile is going to a different destination, reset session
            close();
        }
    }

    final Proxy.Type proxyType = Proxy.Type.valueOf(ctx.getProperty(PROXY_TYPE).getValue());
    final String proxyHost = ctx.getProperty(PROXY_HOST).getValue();
    final Integer proxyPort = ctx.getProperty(PROXY_PORT).asInteger();
    FTPClient client;
    if (proxyType == Proxy.Type.HTTP) {
        client = new FTPHTTPClient(proxyHost, proxyPort, ctx.getProperty(HTTP_PROXY_USERNAME).getValue(),
                ctx.getProperty(HTTP_PROXY_PASSWORD).getValue());
    } else {
        client = new FTPClient();
        if (proxyType == Proxy.Type.SOCKS) {
            client.setSocketFactory(new SocksProxySocketFactory(
                    new Proxy(proxyType, new InetSocketAddress(proxyHost, proxyPort))));
        }
    }
    this.client = client;
    client.setDataTimeout(ctx.getProperty(DATA_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
    client.setDefaultTimeout(
            ctx.getProperty(CONNECTION_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
    client.setRemoteVerificationEnabled(false);

    final String remoteHostname = ctx.getProperty(HOSTNAME).evaluateAttributeExpressions(flowFile).getValue();
    this.remoteHostName = remoteHostname;
    InetAddress inetAddress = null;
    try {
        inetAddress = InetAddress.getByAddress(remoteHostname, null);
    } catch (final UnknownHostException uhe) {
    }

    if (inetAddress == null) {
        inetAddress = InetAddress.getByName(remoteHostname);
    }

    client.connect(inetAddress, ctx.getProperty(PORT).evaluateAttributeExpressions(flowFile).asInteger());
    this.closed = false;
    client.setDataTimeout(ctx.getProperty(DATA_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
    client.setSoTimeout(ctx.getProperty(CONNECTION_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());

    final String username = ctx.getProperty(USERNAME).evaluateAttributeExpressions(flowFile).getValue();
    final String password = ctx.getProperty(PASSWORD).evaluateAttributeExpressions(flowFile).getValue();
    final boolean loggedIn = client.login(username, password);
    if (!loggedIn) {
        throw new IOException("Could not login for user '" + username + "'");
    }

    final String connectionMode = ctx.getProperty(CONNECTION_MODE).getValue();
    if (connectionMode.equalsIgnoreCase(CONNECTION_MODE_ACTIVE)) {
        client.enterLocalActiveMode();
    } else {
        client.enterLocalPassiveMode();
    }

    // additional  
    FTPClientConfig ftpConfig = new FTPClientConfig(FTPClientConfig.SYST_UNIX);
    final String ftpClientConfig = ctx.getProperty(FTP_CLIENT_CONFIG_SYST).getValue();
    if (ftpClientConfig.equalsIgnoreCase(FTP_CLIENT_CONFIG_SYST_UNIX)) {
        this.ftpConfig = ftpConfig;
        client.configure(ftpConfig);
    } else if (ftpClientConfig.equalsIgnoreCase(FTP_CLIENT_CONFIG_SYST_NT)) {
        this.ftpConfig = ftpConfig;
        client.configure(ftpConfig);
    }

    final String transferMode = ctx.getProperty(TRANSFER_MODE).getValue();
    final int fileType = (transferMode.equalsIgnoreCase(TRANSFER_MODE_ASCII)) ? FTPClient.ASCII_FILE_TYPE
            : FTPClient.BINARY_FILE_TYPE;
    if (!client.setFileType(fileType)) {
        throw new IOException("Unable to set transfer mode to type " + transferMode);
    }

    this.homeDirectory = client.printWorkingDirectory();
    return client;
}

From source file:com.ibm.cics.ca1y.Emit.java

/**
 * Get the contents of a file from an FTP server.
 * //from   w w  w.ja  va 2s  .com
 * @param filename
 *            -
 * @param server
 *            -
 * @param useraname
 *            -
 * @param userpassword
 *            -
 * @param transfer
 *            -
 * @param mode
 *            -
 * @param epsv
 *            -
 * @param protocol
 *            -
 * @param trustmgr
 *            -
 * @param datatimeout
 *            -
 * @param proxyserver
 *            -
 * @param proxyusername
 *            -
 * @param proxypassword
 *            -
 * @param anonymouspassword
 *            -
 * @return byte[] representing the retrieved file, null otherwise.
 */
private static byte[] getFileUsingFTP(String filename, String server, String username, String userpassword,
        String transfer, String mode, String epsv, String protocol, String trustmgr, String datatimeout,
        String proxyserver, String proxyusername, String proxypassword, String anonymouspassword) {

    FTPClient ftp;

    if (filename == null || server == null)
        return null;
    int port = 0;
    if (server != null) {
        String parts[] = server.split(":");
        if (parts.length == 2) {
            server = parts[0];
            try {
                port = Integer.parseInt(parts[1]);
            } catch (Exception _ex) {
            }
        }
    }

    int proxyport = 0;
    if (proxyserver != null) {
        String parts[] = proxyserver.split(":");

        if (parts.length == 2) {
            proxyserver = parts[0];

            try {
                proxyport = Integer.parseInt(parts[1]);

            } catch (Exception _ex) {
            }
        }
    }

    if (username == null) {
        username = "anonymous";

        if (userpassword == null)
            userpassword = anonymouspassword;
    }

    if (protocol == null) {
        if (proxyserver != null)
            ftp = new FTPHTTPClient(proxyserver, proxyport, proxyusername, proxypassword);
        else
            ftp = new FTPClient();

    } else {
        FTPSClient ftps = null;

        if ("true".equalsIgnoreCase(protocol)) {
            ftps = new FTPSClient(true);

        } else if ("false".equalsIgnoreCase(protocol)) {
            ftps = new FTPSClient(false);

        } else if (protocol != null) {
            String parts[] = protocol.split(",");

            if (parts.length == 1)
                ftps = new FTPSClient(protocol);
            else
                ftps = new FTPSClient(parts[0], Boolean.parseBoolean(parts[1]));
        }

        ftp = ftps;

        if ("all".equalsIgnoreCase(trustmgr)) {
            ftps.setTrustManager(TrustManagerUtils.getAcceptAllTrustManager());

        } else if ("valid".equalsIgnoreCase(trustmgr)) {
            ftps.setTrustManager(TrustManagerUtils.getValidateServerCertificateTrustManager());

        } else if ("none".equalsIgnoreCase(trustmgr)) {
            ftps.setTrustManager(null);
        }
    }

    if (datatimeout != null) {
        try {
            ftp.setDataTimeout(Integer.parseInt(datatimeout));

        } catch (Exception _ex) {
            ftp.setDataTimeout(-1);
        }
    }

    if (port <= 0) {
        port = ftp.getDefaultPort();
    }

    if (logger.isLoggable(Level.FINE)) {
        StringBuilder sb = new StringBuilder();

        sb.append(Emit.messages.getString("FTPAboutToGetFileFromServer")).append(" - ").append("file name:")
                .append(filename).append(",server:").append(server).append(":").append(port)
                .append(",username:").append(username).append(",userpassword:")
                .append(userpassword != null && !"anonymous".equals(username) ? "<obscured>" : userpassword)
                .append(",transfer:").append(transfer).append(",mode:").append(mode).append(",epsv:")
                .append(epsv).append(",protocol:").append(protocol).append(",trustmgr:").append(trustmgr)
                .append(",datatimeout:").append(datatimeout).append(",proxyserver:").append(proxyserver)
                .append(":").append(proxyport).append(",proxyusername:").append(proxyusername)
                .append(",proxypassword:").append(proxypassword != null ? "<obscured>" : null);

        logger.fine(sb.toString());
    }

    try {
        if (port > 0) {
            ftp.connect(server, port);
        } else {
            ftp.connect(server);
        }

        int reply = ftp.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp.disconnect();
            logger.warning(Emit.messages.getString("FTPCouldNotConnectToServer"));
            return null;
        }

    } catch (IOException _ex) {
        logger.warning(Emit.messages.getString("FTPCouldNotConnectToServer"));

        if (ftp.isConnected())
            try {
                ftp.disconnect();
            } catch (IOException _ex2) {
            }

        return null;
    }

    ByteArrayOutputStream output;
    try {
        if (!ftp.login(username, userpassword)) {
            ftp.logout();
            logger.warning(Emit.messages.getString("FTPServerRefusedLoginCredentials"));
            return null;
        }
        if ("binary".equalsIgnoreCase(transfer)) {
            ftp.setFileType(2);
        } else {
            ftp.setFileType(0);
        }

        if ("localactive".equalsIgnoreCase(mode)) {
            ftp.enterLocalActiveMode();
        } else {
            ftp.enterLocalPassiveMode();
        }

        ftp.setUseEPSVwithIPv4("true".equalsIgnoreCase(epsv));
        output = new ByteArrayOutputStream();
        ftp.retrieveFile(filename, output);
        output.close();
        ftp.noop();
        ftp.logout();

    } catch (IOException _ex) {
        logger.warning(Emit.messages.getString("FTPFailedToTransferFile"));

        if (ftp.isConnected())
            try {
                ftp.disconnect();
            } catch (IOException _ex2) {
            }
        return null;
    }

    return output.toByteArray();
}

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 va 2s  . 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.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 v  a2 s.  com
    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.maven.wagon.providers.ftp.FtpHttpWagon.java

@Override
protected FTPClient createClient() {
    ProxyInfo proxyInfo = getProxyInfo();

    LOG.debug("Creating FTP over HTTP proxy client. Proxy Host: [{}].", proxyInfo.getHost());

    return new FTPHTTPClient(proxyInfo.getHost(), proxyInfo.getPort(), proxyInfo.getUserName(),
            proxyInfo.getPassword());//from  w ww.j  a  v a2s.c  om
}

From source file:org.apache.nifi.processors.standard.util.FTPTransfer.java

private FTPClient getClient(final FlowFile flowFile) throws IOException {
    if (client != null) {
        String desthost = ctx.getProperty(HOSTNAME).evaluateAttributeExpressions(flowFile).getValue();
        if (remoteHostName.equals(desthost)) {
            // destination matches so we can keep our current session
            resetWorkingDirectory();//  w  ww .ja v  a2  s .c om
            return client;
        } else {
            // this flowFile is going to a different destination, reset session
            close();
        }
    }

    final Proxy.Type proxyType = Proxy.Type.valueOf(ctx.getProperty(PROXY_TYPE).getValue());
    final String proxyHost = ctx.getProperty(PROXY_HOST).getValue();
    final Integer proxyPort = ctx.getProperty(PROXY_PORT).asInteger();
    FTPClient client;
    if (proxyType == Proxy.Type.HTTP) {
        client = new FTPHTTPClient(proxyHost, proxyPort, ctx.getProperty(HTTP_PROXY_USERNAME).getValue(),
                ctx.getProperty(HTTP_PROXY_PASSWORD).getValue());
    } else {
        client = new FTPClient();
        if (proxyType == Proxy.Type.SOCKS) {
            client.setSocketFactory(new SocksProxySocketFactory(
                    new Proxy(proxyType, new InetSocketAddress(proxyHost, proxyPort))));
        }
    }
    this.client = client;
    client.setDataTimeout(ctx.getProperty(DATA_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
    client.setDefaultTimeout(
            ctx.getProperty(CONNECTION_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
    client.setRemoteVerificationEnabled(false);

    final String remoteHostname = ctx.getProperty(HOSTNAME).evaluateAttributeExpressions(flowFile).getValue();
    this.remoteHostName = remoteHostname;
    InetAddress inetAddress = null;
    try {
        inetAddress = InetAddress.getByAddress(remoteHostname, null);
    } catch (final UnknownHostException uhe) {
    }

    if (inetAddress == null) {
        inetAddress = InetAddress.getByName(remoteHostname);
    }

    client.connect(inetAddress, ctx.getProperty(PORT).evaluateAttributeExpressions(flowFile).asInteger());
    this.closed = false;
    client.setDataTimeout(ctx.getProperty(DATA_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
    client.setSoTimeout(ctx.getProperty(CONNECTION_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());

    final String username = ctx.getProperty(USERNAME).evaluateAttributeExpressions(flowFile).getValue();
    final String password = ctx.getProperty(PASSWORD).evaluateAttributeExpressions(flowFile).getValue();
    final boolean loggedIn = client.login(username, password);
    if (!loggedIn) {
        throw new IOException("Could not login for user '" + username + "'");
    }

    final String connectionMode = ctx.getProperty(CONNECTION_MODE).getValue();
    if (connectionMode.equalsIgnoreCase(CONNECTION_MODE_ACTIVE)) {
        client.enterLocalActiveMode();
    } else {
        client.enterLocalPassiveMode();
    }

    final String transferMode = ctx.getProperty(TRANSFER_MODE).getValue();
    final int fileType = (transferMode.equalsIgnoreCase(TRANSFER_MODE_ASCII)) ? FTPClient.ASCII_FILE_TYPE
            : FTPClient.BINARY_FILE_TYPE;
    if (!client.setFileType(fileType)) {
        throw new IOException("Unable to set transfer mode to type " + transferMode);
    }

    this.homeDirectory = client.printWorkingDirectory();
    return client;
}

From source file:org.n52.sos.importer.controller.Step1Controller.java

@Override
public boolean isFinished() {

    if (step1Panel != null && step1Panel.getFeedingType() == Step1Panel.CSV_FILE) {
        final String filePath = step1Panel.getCSVFilePath();
        if (filePath == null) {
            JOptionPane.showMessageDialog(null, "Please choose a CSV file.", "File missing",
                    JOptionPane.WARNING_MESSAGE);
            return false;
        }//from w w  w.j a  v  a  2  s  .c  om
        // checks one-time feed input data for validity
        if (filePath.equals("")) {
            JOptionPane.showMessageDialog(null, "Please choose a CSV file.", "File missing",
                    JOptionPane.WARNING_MESSAGE);
            return false;
        }

        final File dataFile = new File(filePath);
        if (!dataFile.exists()) {
            JOptionPane.showMessageDialog(null, "The specified file does not exist.", "Error",
                    JOptionPane.ERROR_MESSAGE);
            return false;
        }

        if (!dataFile.isFile()) {
            JOptionPane.showMessageDialog(null, "Please specify a file, not a directory.", "Error",
                    JOptionPane.ERROR_MESSAGE);
            return false;
        }

        if (!dataFile.canRead()) {
            JOptionPane.showMessageDialog(null, "No reading access on the specified file.", "Error",
                    JOptionPane.ERROR_MESSAGE);
            return false;
        }
        readFile(dataFile, step1Panel.getFileEncoding());
    } else if (step1Panel != null && (step1Panel.getFeedingType() == Step1Panel.FTP_FILE)) {
        // checks repetitive feed input data for validity
        if (step1Panel.getUrl() == null || step1Panel.getUrl().equals("")) {
            JOptionPane.showMessageDialog(null, "No ftp server was specified.", "Server missing",
                    JOptionPane.ERROR_MESSAGE);
            return false;
        }

        if (step1Panel.getFilenameSchema() == null || step1Panel.getFilenameSchema().equals("")) {
            JOptionPane.showMessageDialog(null, "No file/file schema was specified.",
                    "File/file schema missing", JOptionPane.ERROR_MESSAGE);
            return false;
        }

        // ftp client
        FTPClient client;

        // proxy
        final String pHost = System.getProperty("proxyHost", "proxy");
        int pPort = -1;
        if (System.getProperty("proxyPort") != null) {
            pPort = Integer.parseInt(System.getProperty("proxyPort"));
        }
        final String pUser = System.getProperty("http.proxyUser");
        final String pPassword = System.getProperty("http.proxyPassword");
        if (pHost != null && pPort != -1) {
            if (pUser != null && pPassword != null) {
                client = new FTPHTTPClient(pHost, pPort, pUser, pPassword);
            }
            client = new FTPHTTPClient(pHost, pPort);
        } else {
            client = new FTPClient();
        }

        // get first file
        if (step1Panel.getFeedingType() == Step1Panel.FTP_FILE) {
            final String csvFilePath = System.getProperty("user.home") + File.separator + ".SOSImporter"
                    + File.separator + "tmp_" + step1Panel.getFilenameSchema();

            // if back button was used: delete old file
            if (new File(csvFilePath).exists()) {
                new File(csvFilePath).delete();
            }

            try {
                client.connect(step1Panel.getUrl());
                final boolean login = client.login(step1Panel.getUser(), step1Panel.getPassword());
                if (login) {
                    // download file
                    final int result = client.cwd(step1Panel.getDirectory());
                    if (result == 250) { // successfully connected
                        final File outputFile = new File(csvFilePath);
                        final FileOutputStream fos = new FileOutputStream(outputFile);
                        client.retrieveFile(step1Panel.getFilenameSchema(), fos);
                        fos.flush();
                        fos.close();
                    }
                    final boolean logout = client.logout();
                    if (logout) {
                        logger.info("Step1Controller: cannot logout!");
                    }
                } else {
                    logger.info("Step1Controller: cannot login!");
                }

                final File csv = new File(csvFilePath);
                if (csv.length() != 0) {
                    step1Panel.setCSVFilePath(csvFilePath);
                    readFile(new File(csvFilePath), step1Panel.getFileEncoding());
                } else {
                    csv.delete();
                    throw new IOException();
                }

            } catch (final SocketException e) {
                System.err.println(e);
                JOptionPane.showMessageDialog(null, "The file you specified cannot be obtained.", "Error",
                        JOptionPane.ERROR_MESSAGE);
                return false;
            } catch (final IOException e) {
                System.err.println(e);
                JOptionPane.showMessageDialog(null, "The file you specified cannot be obtained.", "Error",
                        JOptionPane.ERROR_MESSAGE);
                return false;
            }
        }
    }

    return true;
}

From source file:org.n52.sos.importer.feeder.task.OneTimeFeeder.java

private DataFile getRemoteFile(final Configuration config) {
    File dataFile = null;//www.  j a  v a2 s  .c  o  m

    // ftp client
    FTPClient client;

    // proxy
    final String pHost = System.getProperty("proxyHost", "proxy");
    int pPort = -1;
    if (System.getProperty("proxyPort") != null) {
        pPort = Integer.parseInt(System.getProperty("proxyPort"));
    }
    final String pUser = System.getProperty("http.proxyUser");
    final String pPassword = System.getProperty("http.proxyPassword");
    if (pHost != null && pPort != -1) {
        LOG.info("Using proxy for FTP connection!");
        if (pUser != null && pPassword != null) {
            client = new FTPHTTPClient(pHost, pPort, pUser, pPassword);
        }
        client = new FTPHTTPClient(pHost, pPort);
    } else {
        LOG.info("Using no proxy for FTP connection!");
        client = new FTPClient();
    }

    // get first file
    final String directory = config.getConfigFile().getAbsolutePath();
    dataFile = FileHelper.createFileInImporterHomeWithUniqueFileName(directory + ".csv");

    // if back button was used: delete old file
    if (dataFile.exists()) {
        dataFile.delete();
    }

    try {
        client.connect(config.getFtpHost());
        final boolean login = client.login(config.getUser(), config.getPassword());
        if (login) {
            LOG.info("FTP: connected...");
            // download file
            final int result = client.cwd(config.getFtpSubdirectory());
            LOG.info("FTP: go into directory...");
            if (result == 250) { // successfully connected
                final FileOutputStream fos = new FileOutputStream(dataFile);
                LOG.info("FTP: download file...");
                client.retrieveFile(config.getFtpFile(), fos);
                fos.flush();
                fos.close();
            } else {
                LOG.info("FTP: cannot go to subdirectory!");
            }
            final boolean logout = client.logout();
            if (!logout) {
                LOG.info("FTP: cannot logout!");
            }
        } else {
            LOG.info("FTP:  cannot login!");
        }

    } catch (final SocketException e) {
        LOG.error("The file you specified cannot be obtained.");
        return null;
    } catch (final IOException e) {
        LOG.error("The file you specified cannot be obtained.");
        return null;
    }

    return new DataFile(config, dataFile);
}