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

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

  1. HOME
  2. Java
  3. org.apache.commons
  4. org.apache.commons.net.ftp.*
  5. FTPClient
  6. 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:com.bdaum.zoom.net.core.ftp.FtpAccount.java

/**
 * Login into a account/*ww w . ja  v a 2s.c  o m*/
 *
 * @return FTPClient object or null
 * @throws IOException
 */
public FTPClient login() throws IOException {
    int reply = 0;
    FTPClient ftp = new FTPClient();
    try {
        if (port != 0)
            ftp.connect(getHost(), getPort());
        else
            ftp.connect(getHost());
        if (isAnonymous())
            ftp.login(ANONYMOUS, GUEST);
        else if (getSubAccount() != null && !getSubAccount().isEmpty())
            ftp.login(getLogin(), getPassword(), getSubAccount());
        else
            ftp.login(getLogin(), getPassword());
        reply = ftp.getReplyCode();
        if (!FTPReply.isPositiveCompletion(reply))
            throw new IOException(NLS.bind(Messages.FtpAccount_ftp_server_refused, ftp.getReplyString()));
        if (isPassiveMode())
            ftp.enterLocalPassiveMode();
        ftp.setFileType(FTP.BINARY_FILE_TYPE);
    } catch (IOException e) {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException ioe) {
                // do nothing
            }
        }
        throw e;
    }
    return ftp;
}

From source file:com.eryansky.common.utils.ftp.FtpFactory.java

/**
 * FTP?.//from w w w.  j ava 2s .  co  m
 * 
 * @param remotePath
 *            FTP?
 * @param fileName
 *            ???
 * @param localPath
 *            ??
 * @return
 */
public boolean ftpDownFile(String remotePath, String fileName, String localPath) {
    // ?
    boolean success = false;
    // FTPClient
    FTPClient ftp = new FTPClient();
    ftp.setControlEncoding("GBK");
    try {
        int reply;
        // FTP?
        // ??ftp.connect(url)?FTP?
        ftp.connect(url, port);
        // ftp
        ftp.login(username, password);
        reply = ftp.getReplyCode();
        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp.disconnect();
            return success;
        }
        // 
        ftp.changeWorkingDirectory(remotePath);
        // 
        FTPFile[] fs = ftp.listFiles();
        // ??
        for (FTPFile ff : fs) {
            if (ff.getName().equals(fileName)) {
                // ???
                File localFile = new File(localPath + "/" + ff.getName());
                // ?
                OutputStream is = new FileOutputStream(localFile);
                // 
                ftp.retrieveFile(ff.getName(), is);
                is.close();
                success = true;
            }
        }
        ftp.logout();
        // ?

    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException ioe) {
            }
        }
    }
    return success;
}

From source file:facturacion.ftp.FtpServer.java

public static InputStream getTokenInputStream2(String remote_file_ruta) {
    FTPClient ftpClient = new FTPClient();
    File downloadFile1 = null;//  ww  w.j a  v  a 2s  . c o  m
    try {
        downloadFile1 = File.createTempFile("tmptokenEmpresa", ".p12");
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    try {
        ftpClient.connect(Config.getInstance().getProperty(Config.ServerFtpToken),
                Integer.parseInt(Config.getInstance().getProperty(Config.PortFtpToken)));
        ftpClient.login(Config.getInstance().getProperty(Config.UserFtpToken),
                Config.getInstance().getProperty(Config.PassFtpToken));
        //ftpClient.connect(ConfigurationFtp.getInstance().getProperty(ConfigurationFtp.FTP_SERVER), Integer.parseInt( ConfigurationFtp.getInstance().getProperty(ConfigurationFtp.FTP_PORT)) );
        //ftpClient.login(ConfigurationFtp.getInstance().getProperty(ConfigurationFtp.FTP_USER), ConfigurationFtp.getInstance().getProperty(ConfigurationFtp.FT_PSWD));
        //ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
        ftpClient.enterLocalPassiveMode();
        boolean success;
        String remoteFile1 = "/0702144833/kepti_lenin_pereira_tinoco.p12";
        downloadFile1 = new File("C:/Users/aaguerra/Desktop/firmado2.p12");
        OutputStream outputStream1 = new BufferedOutputStream(new FileOutputStream(downloadFile1));
        success = ftpClient.retrieveFile(remoteFile1, outputStream1);
        outputStream1.close();

        //FileInputStream fis = new FileInputStream("C:\\Users\\aaguerra\\Desktop\\arpr\\documentacion\\kepti_lenin_pereira_tinoco.p12");
        FileInputStream fis = new FileInputStream(
                "C:\\Users\\aaguerra\\Desktop\\arpr\\archivos\\0702144833\\kepti_lenin_pereira_tinoco.p12");
        InputStream is = fis;
        if (success) {
            System.out.println("File #1 has been downloaded successfully. 222adadfsdfadf");
        } else {
            System.out.println("File #1 has been downloaded successfully. 3333");
        }
        ;
        return is;
    } catch (IOException ex) {
        System.out.println("File #1 has been downloaded successfully. 222");
    } finally {
        try {
            if (ftpClient.isConnected()) {
                ftpClient.logout();
                ftpClient.disconnect();
            }
        } catch (IOException ex) {
            System.out.println("File #1 has been downloaded successfully. 3");
            return null;
            //ex.printStackTrace();
        }
    }
    return null;
}

From source file:com.hackengine_er.muslumyusuf.DBOperations.java

private boolean uploadToFTP(String username, String fileName, InputStream inputStream) {
    FTPClient client = new FTPClient();
    try {// ww w  . j ava2 s. co m
        client.connect(Configuration.FTPClient());
        if (client.login(Configuration.FTPUsername(), Configuration.getPASSWORD())) {
            client.setDefaultTimeout(10000);
            client.setFileType(FTPClient.BINARY_FILE_TYPE);
            if (client.storeFile(Tags.SITE + username + "-" + fileName, inputStream)) {
                return true;
            }
        }
    } catch (IOException e) {
        Logger.getLogger(DBOperations.class.getName()).log(Level.SEVERE, null, e);
    } finally {
        if (client.isConnected()) {
            try {
                client.logout();
                client.disconnect();
            } catch (IOException ex) {
                Logger.getLogger(DBOperations.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }
    return false;
}

From source file:com.tobias.vocabulary_trainer.UpdateVocabularies.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.update_vocabularies_layout);
    prefs = getSharedPreferences(USER_PREFERENCE, Activity.MODE_PRIVATE);
    serverAdresseEditText = (EditText) findViewById(R.id.server_adresse_edit_text);
    serverUsernameEditText = (EditText) findViewById(R.id.server_username_edit_text);
    serverPasswordEditText = (EditText) findViewById(R.id.server_password_edit_text);
    serverPortEditText = (EditText) findViewById(R.id.server_port_edit_text);
    serverFileEditText = (EditText) findViewById(R.id.server_file_edit_text);
    localFileEditText = (EditText) findViewById(R.id.local_file_edit_text);

    vocabularies = new VocabularyData(this);
    System.out.println("before updateUIFromPreferences();");
    updateUIFromPreferences();/*  w ww  .  ja  v a 2 s .c o m*/
    System.out.println("after updateUIFromPreferences();");

    final Button ServerOkButton = (Button) findViewById(R.id.server_ok);
    ServerOkButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            System.out.println("ServerOKButton pressed");
            savePreferences();
            InputStream in;
            String serverAdresse = serverAdresseEditText.getText().toString();
            String serverUsername = serverUsernameEditText.getText().toString();
            String serverPassword = serverPasswordEditText.getText().toString();
            int serverPort = Integer.parseInt(serverPortEditText.getText().toString());
            String serverFile = serverFileEditText.getText().toString();

            FTPClient ftp;
            ftp = new FTPClient();
            try {
                int reply;
                System.out.println("try to connect to ftp server");
                ftp.connect(serverAdresse, serverPort);
                System.out.print(ftp.getReplyString());
                // After connection attempt, you should check the reply code to verify
                // success.
                reply = ftp.getReplyCode();
                if (FTPReply.isPositiveCompletion(reply)) {
                    System.out.println("connected to ftp server");
                } else {
                    ftp.disconnect();
                    System.out.println("FTP server refused connection.");
                }

                // transfer files
                System.out.println("try to login");
                ftp.login(serverUsername, serverPassword);
                System.out.println("current working directory: " + ftp.printWorkingDirectory());
                System.out.println("try to start downloading");
                in = ftp.retrieveFileStream(serverFile);
                // files transferred
                //write to database and textfile on sdcard
                vocabularies.readVocabularies(in, false);
                ftp.logout();
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                if (ftp.isConnected()) {
                    try {
                        ftp.disconnect();
                    } catch (IOException ioe) {
                        // do nothing
                    }
                }
            }
            //               settings.populateSpinners();
            finish();
        }
    });
    final Button LocalFileOkButton = (Button) findViewById(R.id.local_file_ok);
    LocalFileOkButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            File f = new File(Environment.getExternalStorageDirectory(),
                    localFileEditText.getText().toString());
            savePreferences();
            vocabularies.readVocabularies(f, false);
            //               settings.populateSpinners();
            finish();
        }
    });
    final Button CancelButton = (Button) findViewById(R.id.Cancel);
    CancelButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            finish();
        }
    });
    vocabularies.close();
}

From source file:com.muslumyusuf.DBOperations.java

private boolean uploadToFTP(String username, String fileName, InputStream inputStream) {
    FTPClient client = new FTPClient();
    try {/*from w w  w.  j a  v  a2 s  .c o  m*/
        client.connect(Initialize.FTPClient());
        if (client.login(Initialize.FTPUsername(), Initialize.getPASSWORD())) {
            client.setDefaultTimeout(10000);
            client.setFileType(FTPClient.BINARY_FILE_TYPE);
            if (client.storeFile(Tags.SITE + username + "/" + fileName, inputStream)) {
                return true;
            }
        }
    } catch (IOException e) {
        Logger.getLogger(DBOperations.class.getName()).log(Level.SEVERE, null, e);
    } finally {
        if (client.isConnected()) {
            try {
                client.logout();
                client.disconnect();
            } catch (IOException ex) {
                Logger.getLogger(DBOperations.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }
    return false;
}

From source file:com.maxl.java.amikodesk.Emailer.java

private void uploadToFTPServer(Author author, String name, String path) {
    FTPClient ftp_client = new FTPClient();
    try {/*from  w ww.  j  a  va 2 s  .  c  o m*/
        ftp_client.connect(author.getS(), 21);
        ftp_client.login(author.getL(), author.getP());
        ftp_client.enterLocalPassiveMode();
        ftp_client.changeWorkingDirectory(author.getO());
        ftp_client.setFileType(FTP.BINARY_FILE_TYPE);

        int reply = ftp_client.getReplyCode();
        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp_client.disconnect();
            System.err.println("FTP server refused connection.");
            return;
        }

        File local_file = new File(path);
        String remote_file = name + ".csv";
        InputStream is = new FileInputStream(local_file);
        System.out.print("Uploading file " + name + " to server " + author.getS() + "... ");

        boolean done = ftp_client.storeFile(remote_file, is);
        if (done)
            System.out.println("file uploaded successfully.");
        else
            System.out.println("error.");
        is.close();
    } catch (IOException ex) {
        System.out.println("Error: " + ex.getMessage());
        ex.printStackTrace();
    } finally {
        try {
            if (ftp_client.isConnected()) {
                ftp_client.logout();
                ftp_client.disconnect();
            }
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
}

From source file:com.dp2345.plugin.ftp.FtpPlugin.java

@Override
public void upload(String path, File file, String contentType) {
    PluginConfig pluginConfig = getPluginConfig();
    if (pluginConfig != null) {
        String host = pluginConfig.getAttribute("host");
        Integer port = Integer.valueOf(pluginConfig.getAttribute("port"));
        String username = pluginConfig.getAttribute("username");
        String password = pluginConfig.getAttribute("password");
        FTPClient ftpClient = new FTPClient();
        InputStream inputStream = null;
        try {//from  w  w w  .j a v a 2 s.  com
            inputStream = new FileInputStream(file);
            ftpClient.connect(host, port);
            ftpClient.login(username, password);
            ftpClient.setFileTransferMode(FTP.STREAM_TRANSFER_MODE);
            ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
            ftpClient.enterLocalPassiveMode();
            if (FTPReply.isPositiveCompletion(ftpClient.getReplyCode())) {
                String directory = StringUtils.substringBeforeLast(path, "/");
                String filename = StringUtils.substringAfterLast(path, "/");
                if (!ftpClient.changeWorkingDirectory(directory)) {
                    String[] paths = StringUtils.split(directory, "/");
                    String p = "/";
                    ftpClient.changeWorkingDirectory(p);
                    for (String s : paths) {
                        p += s + "/";
                        if (!ftpClient.changeWorkingDirectory(p)) {
                            ftpClient.makeDirectory(s);
                            ftpClient.changeWorkingDirectory(p);
                        }
                    }
                }
                ftpClient.storeFile(filename, inputStream);
                ftpClient.logout();
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            IOUtils.closeQuietly(inputStream);
            if (ftpClient.isConnected()) {
                try {
                    ftpClient.disconnect();
                } catch (IOException e) {
                }
            }
        }
    }
}

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

public FtpConnection(String host, int port, FileSystemConnectionOptions fileSystemOptions, boolean passive,
        int timeout, FTPClient client) throws Exception {
    this.client = client;
    // This sets the timeout for read operations on data sockets. It does not affect write operations.
    client.setDataTimeout(timeout);/*ww w . j  a  va  2  s. co  m*/

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

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

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

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

        initialize();

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

From source file:de.ipk_gatersleben.ag_nw.graffiti.services.GUIhelper.java

private static boolean processDownload(final BackgroundTaskStatusProviderSupportingExternalCallImpl status,
        String downloadURL, String targetFileName, ObjectRef lastStatus, final int thisRun, String server,
        String remote, final FTPClient ftp) {
    String username;//from w  w w.  jav a 2 s. c  om
    String password;
    String local;
    username = "anonymous@" + server;
    password = "anonymous";
    local = targetFileName;

    final ObjectRef myoutputstream = new ObjectRef();

    ftp.addProtocolCommandListener(new ProtocolCommandListener() {
        public void protocolCommandSent(ProtocolCommandEvent arg0) {
            // System.out.print("out: " + arg0.getMessage());
            status.setCurrentStatusText1("Command: " + arg0.getMessage());
        }

        public void protocolReplyReceived(ProtocolCommandEvent arg0) {
            // System.out.print("in : " + arg0.getMessage());
            status.setCurrentStatusText2("Message: " + arg0.getMessage());
            if (myoutputstream.getObject() != null) {
                String msg = arg0.getMessage();
                if (msg.indexOf("Opening BINARY mode") >= 0) {
                    if (msg.indexOf("(") > 0) {
                        msg = msg.substring(msg.indexOf("(") + "(".length());
                        if (msg.indexOf(" ") > 0) {
                            msg = msg.substring(0, msg.indexOf(" "));
                            try {
                                long max = Long.parseLong(msg);
                                MyOutputStream os = (MyOutputStream) myoutputstream.getObject();
                                os.setMaxBytes(max);
                            } catch (Exception e) {
                                System.out.println(
                                        "Could not determine file length for detailed progress information");
                            }
                        }
                    }
                }
            }
        }
    });

    System.out.println("FTP DOWNLOAD: " + downloadURL);

    try {
        if (ftp.isConnected()) {
            status.setCurrentStatusText2("Using open FTP connection");
            System.out.println("Reusing open FTP connection");
        } else {
            ftp.connect(server);
            int reply = ftp.getReplyCode();
            if (!FTPReply.isPositiveCompletion(reply)) {
                ftp.disconnect();
                status.setCurrentStatusText1("Can't connect to FTP server");
                status.setCurrentStatusText2("ERROR");
                return false;
            }
            if (!ftp.login("anonymous", "anonymous")) {
                if (!ftp.login(username, password)) {
                    ftp.disconnect();
                    status.setCurrentStatusText1("Can't login to FTP server");
                    status.setCurrentStatusText2("ERROR");
                    return false;
                }
            }
            status.setCurrentStatusText1("Set Binary Transfer Mode");
            ftp.setFileType(FTP.BINARY_FILE_TYPE);
            status.setCurrentStatusText2("Activate Passive Transfer Mode");
            ftp.enterLocalPassiveMode();
        }
        status.setCurrentStatusText1("Start download...");
        status.setCurrentStatusText2("Please Wait.");

        // ftp.listFiles(pathname);

        OutputStream output = new MyOutputStream(lastStatus, status, new FileOutputStream(local));
        myoutputstream.setObject(output);
        ftp.setRemoteVerificationEnabled(false);
        long tA = System.currentTimeMillis();
        boolean result = ftp.retrieveFile(remote, output);
        output.close();
        long tB = System.currentTimeMillis();
        if (!result) {
            new File(local).delete();
            MainFrame.showMessage("Can't download " + downloadURL + ". File not available.", MessageType.INFO);
        } else {
            File f = new File(local);
            System.out.println("Download completed (" + f.getAbsolutePath() + ", " + (f.length() / 1024)
                    + " KB, " + (int) ((f.length() / 1024d / (tB - tA) * 1000d)) + " KB/s).");
        }
        BackgroundTaskHelper.executeLaterOnSwingTask(10000, new Runnable() {
            public void run() {
                try {
                    synchronized (GUIhelper.class) {
                        if (runIdx == thisRun) {
                            System.out.println("Disconnect FTP connection");
                            ftp.disconnect();
                        }
                    }
                } catch (Exception err) {
                    ErrorMsg.addErrorMessage(err);
                }
            }
        });
        return result;
    } catch (Exception err) {
        System.out.println("ERROR: FTP DOWNLOAD ERROR: " + err.getMessage());
        if (ftp != null && ftp.isConnected()) {
            try {
                System.out.println("Disconnect FTP connection (following error condition)");
                ftp.disconnect();
            } catch (Exception err2) {
                ErrorMsg.addErrorMessage(err2);
            }
        }
        return false;
    }
}