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

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

Introduction

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

Prototype

public boolean isConnected() 

Source Link

Document

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

Usage

From source file:examples.ftp.FTPSExample.java

public static final void main(String[] args) throws NoSuchAlgorithmException {
    int base = 0;
    boolean storeFile = false, binaryTransfer = false, error = false;
    String server, username, password, remote, local;
    String protocol = "SSL"; // SSL/TLS
    FTPSClient ftps;

    for (base = 0; base < args.length; base++) {
        if (args[base].startsWith("-s"))
            storeFile = true;/*from   www.j a va  2 s.  com*/
        else if (args[base].startsWith("-b"))
            binaryTransfer = true;
        else
            break;
    }

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

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

    ftps = new FTPSClient(protocol);

    ftps.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out)));

    try {
        int reply;

        ftps.connect(server);
        System.out.println("Connected to " + server + ".");

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

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

    __main: try {
        ftps.setBufferSize(1000);

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

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

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

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

        if (storeFile) {
            InputStream input;

            input = new FileInputStream(local);

            ftps.storeFile(remote, input);

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

            output = new FileOutputStream(local);

            ftps.retrieveFile(remote, output);

            output.close();
        }

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

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

From source file:com.claim.controller.FileTransferController.java

public boolean uploadMutiFilesWithFTPS(ObjFileTransfer ftpObj) throws Exception {
    FTPSClient ftpsClient = null;
    int replyCode;
    boolean completed = false;
    try {/*from www.ja  v  a 2s.  co  m*/

        FtpProperties properties = new ResourcesProperties().loadFTPProperties();

        try {
            ftpsClient = new FTPSClient(properties.getFtp_protocal(), properties.isFtp_impicit());
            //ftpsClient.setAuthValue(ConstantFtp.FTPS_PROTOCAL);
            ftpsClient.setDataTimeout(ConstantFtp.FTP_TIMEOUT);

            ftpsClient.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out)));
            System.out.print(ftpsClient.getReplyString());

            ftpsClient.connect(properties.getFtp_server(), properties.getFtp_port());
            FtpUtil.showServerReply(ftpsClient);

        } catch (ConnectException ex) {
            FtpUtil.showServerReply(ftpsClient);
            Console.LOG(ex.getMessage(), 0);
            System.out.println("ConnectException: " + ex.getMessage());
            ex.printStackTrace();
        } catch (SocketException ex) {
            FtpUtil.showServerReply(ftpsClient);
            Console.LOG(ex.getMessage(), 0);
            System.out.println("SocketException: " + ex.getMessage());
            ex.printStackTrace();
        } catch (UnknownHostException ex) {
            FtpUtil.showServerReply(ftpsClient);
            Console.LOG(ex.getMessage(), 0);
            System.out.println("UnknownHostException: " + ex.getMessage());
            ex.printStackTrace();
        }

        replyCode = ftpsClient.getReplyCode();
        FtpUtil.showServerReply(ftpsClient);

        if (!FTPReply.isPositiveCompletion(replyCode)) {
            ftpsClient.disconnect();
            Console.LOG("Exception in connecting to FTP Serve ", 0);
            throw new Exception("Exception in connecting to FTP Server");
        } else {
            Console.LOG("Success in connecting to FTP Serve ", 1);
        }

        try {
            boolean success = ftpsClient.login(properties.getFtp_username(), properties.getFtp_password());

            FtpUtil.showServerReply(ftpsClient);
            if (!success) {
                throw new Exception("Could not login to the FTP server.");
            } else {
                Console.LOG("login to the FTP server. Successfully ", 1);
            }
            //ftpClient.enterLocalPassiveMode();
        } catch (FTPConnectionClosedException ex) {
            Console.LOG(ex.getMessage(), 0);
            FtpUtil.showServerReply(ftpsClient);
            System.out.println("Error: " + ex.getMessage());
            ex.printStackTrace();
        }

        ftpsClient.setFileType(FTP.BINARY_FILE_TYPE);
        ftpsClient.execPBSZ(0);

        //FTP_REMOTE_HOME = ftpClient.printWorkingDirectory();
        String workingDirectoryReportType = properties.getFtp_remote_directory() + File.separator
                + ftpObj.getFtp_report_type();
        FtpUtil.ftpCreateDirectoryTree(ftpsClient, workingDirectoryReportType);
        FtpUtil.showServerReply(ftpsClient);

        String workingDirectoryStmp = workingDirectoryReportType + File.separator + ftpObj.getFtp_stmp();
        FtpUtil.ftpCreateDirectoryTree(ftpsClient, workingDirectoryStmp);
        FtpUtil.showServerReply(ftpsClient);

        // APPROACH #2: uploads second file using an OutputStream
        File files = new File(ftpObj.getFtp_directory_path());

        for (File file : files.listFiles()) {
            if (file.isFile()) {
                System.out.println("file ::" + file.getName());
                InputStream in = new FileInputStream(file);
                ftpsClient.changeWorkingDirectory(workingDirectoryStmp);
                completed = ftpsClient.storeFile(file.getName(), in);
                in.close();
                Console.LOG(
                        "  " + file.getName() + " ",
                        1);
                FtpUtil.showServerReply(ftpsClient);
            }
        }
        Console.LOG(" ?... ", 1);

        //completed = ftpClient.completePendingCommand();
        FtpUtil.showServerReply(ftpsClient);
        completed = true;
        ftpsClient.disconnect();

    } catch (IOException ex) {
        Console.LOG(ex.getMessage(), 0);
        FtpUtil.showServerReply(ftpsClient);
        System.out.println("Error: " + ex.getMessage());
        ex.printStackTrace();
    } finally {
        try {
            if (ftpsClient.isConnected()) {
                ftpsClient.logout();
                ftpsClient.disconnect();
            }
        } catch (IOException ex) {
            FtpUtil.showServerReply(ftpsClient);
            Console.LOG(ex.getMessage(), 0);
            ex.printStackTrace();
        }
    }
    return completed;
}

From source file:org.wso2.iot.agent.services.FileDownloadService.java

/**
 * This method downloads the file using sftp client.
 *
 * @param operation      - operation object.
 * @param host           - host address.
 * @param ftpUserName    - ftp user name.
 * @param ftpPassword    - ftp password.
 * @param savingLocation - location in the device to save the file.
 * @param fileName       - name of the file to download.
 * @param serverPort     - ftp server port.
 * @param fileDirectory  - the directory of the file in FTP server.
 * @throws AndroidAgentException - Android agent exception.
 *///from w  ww.  j  a  v a  2 s .  c  om
private void downloadFileUsingFTPSClient(Operation operation, String host, String ftpUserName,
        String ftpPassword, String savingLocation, String fileName, int serverPort, String fileDirectory)
        throws AndroidAgentException {
    FTPSClient ftpsClient = new FTPSClient();
    FileOutputStream fileOutputStream = null;
    OutputStream outputStream = null;
    String response;
    try {
        ftpsClient.connect(host, serverPort);
        if (ftpsClient.login(ftpUserName, ftpPassword)) {
            ftpsClient.enterLocalPassiveMode();
            ftpsClient.execPROT("P");
            fileOutputStream = new FileOutputStream(savingLocation + File.separator + fileName);
            outputStream = new BufferedOutputStream(fileOutputStream);
            ftpsClient.changeWorkingDirectory(fileDirectory);
            if (ftpsClient.retrieveFile(fileName, outputStream)) {
                response = "File uploaded to the device successfully ( " + fileName + " ).";
                operation.setStatus(resources.getString(R.string.operation_value_completed));
            } else {
                response = "File uploaded to the device not completed ( " + fileName + " ).";
                operation.setStatus(resources.getString(R.string.operation_value_error));
            }
        } else {
            response = ftpUserName + " - FTP login failed.";
            operation.setStatus(resources.getString(R.string.operation_value_error));
        }
        operation.setOperationResponse(response);
    } catch (IOException e) {
        handleOperationError(operation, fileTransferExceptionCause(e, fileName), e);
    } finally {
        try {
            if (ftpsClient.isConnected()) {
                ftpsClient.logout();
                ftpsClient.disconnect();
            }
        } catch (IOException ignored) {
        }
        cleanupStreams(null, outputStream, null, fileOutputStream, null, null, null, null);
    }
}

From source file:org.wso2.iot.agent.services.FileUploadService.java

/**
 * File upload operation using an FTPS explicit TLS client.
 *
 * @param operation       - operation object.
 * @param host            - host name./*from  w w w. j  a v a2  s  .  com*/
 * @param ftpUserName     - ftp user name.
 * @param ftpPassword     - ftp password.
 * @param uploadDirectory - ftp directory to upload file.
 * @param fileLocation    - local file location.
 * @param serverPort      - ftp port to connect.
 * @throws AndroidAgentException - AndroidAgent exception.
 */
private void uploadFileUsingFTPSClient(Operation operation, String host, String ftpUserName, String ftpPassword,
        String uploadDirectory, String fileLocation, int serverPort) throws AndroidAgentException {
    FTPSClient ftpsClient = new FTPSClient();
    String fileName = null;
    InputStream inputStream = null;
    Boolean loginResult = false;
    String response;
    try {
        File file = new File(fileLocation);
        fileName = file.getName();
        ftpsClient.connect(host, serverPort);
        ftpsClient.enterLocalPassiveMode();
        loginResult = ftpsClient.login(ftpUserName, ftpPassword);
        ftpsClient.execPROT("P");
        inputStream = new FileInputStream(file);
        ftpsClient.changeWorkingDirectory(uploadDirectory);
        if (ftpsClient.storeFile(fileName, inputStream)) {
            response = "File uploaded from the device completed ( " + fileName + " ).";
            operation.setStatus(resources.getString(R.string.operation_value_completed));
        } else {
            response = "File uploaded from the device not completed ( " + fileName + " ).";
            operation.setStatus(resources.getString(R.string.operation_value_error));
        }
        operation.setOperationResponse(response);
    } catch (IOException e) {
        if (!loginResult) {
            response = ftpUserName + " - FTP login failed.";
        } else {
            response = fileTransferExceptionCause(e, fileName);
        }
        handleOperationError(operation, response, e, resources);
    } finally {
        try {
            if (ftpsClient.isConnected()) {
                ftpsClient.logout();
                ftpsClient.disconnect();
            }
        } catch (IOException ignored) {
        }
        cleanupStreams(inputStream, null, null, null, null, null, null, null);
    }
}