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

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

Introduction

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

Prototype

public boolean completePendingCommand() throws IOException 

Source Link

Document

There are a few FTPClient methods that do not complete the entire sequence of FTP commands to complete a transaction.

Usage

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

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

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

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

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

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

        reply = ftp1.getReplyCode();

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

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

        reply = ftp2.getReplyCode();

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

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

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

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

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

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

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

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

From source file:org.apache.commons.net.examples.ftp.ServerToServerFTP.java

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

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

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

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

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

        reply = ftp1.getReplyCode();

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

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

        reply = ftp2.getReplyCode();

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

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

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

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

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

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

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

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

From source file:org.apache.flume.source.FTPSource.java

@SuppressWarnings("UnnecessaryContinue")
public void discoverElements(FTPClient ftpClient, String parentDir, String currentDir, int level)
        throws IOException {

    String dirToList = parentDir;
    if (!currentDir.equals("")) {
        dirToList += "/" + currentDir;
    }// w  ww. ja  v a 2s  .c o  m
    FTPFile[] subFiles = ftpClient.listFiles(dirToList);
    if (subFiles != null && subFiles.length > 0) {

        for (FTPFile aFile : subFiles) {
            String currentFileName = aFile.getName();
            if (currentFileName.equals(".") || currentFileName.equals("..")) {
                log.info("Skip parent directory and directory itself");
                continue;
            }

            if (aFile.isDirectory()) {
                log.info("[" + aFile.getName() + "]");
                ftpClient.changeWorkingDirectory(parentDir);
                discoverElements(ftpClient, dirToList, aFile.getName(), level + 1);
                continue;
            } else if (aFile.isFile()) { //aFile is a regular file
                ftpClient.changeWorkingDirectory(dirToList);
                existFileList.add(dirToList + "/" + aFile.getName()); //control of deleted files in server
                String fileName = aFile.getName();
                if (!(sizeFileList.containsKey(dirToList + "/" + aFile.getName()))) { //new file
                    ftpSourceCounter.incrementFilesCount();
                    InputStream inputStream = null;
                    try {
                        inputStream = ftpClient.retrieveFileStream(aFile.getName());
                        listener.fileStreamRetrieved();
                        readStream(inputStream, 0);
                        boolean success = inputStream != null && ftpClient.completePendingCommand(); //mandatory
                        if (success) {
                            sizeFileList.put(dirToList + "/" + aFile.getName(), aFile.getSize());
                            saveMap(sizeFileList);
                            ftpSourceCounter.incrementFilesProcCount();
                            log.info("discovered: " + fileName + " ," + sizeFileList.size());
                        } else {
                            handleProcessError(fileName);
                        }
                    } catch (FTPConnectionClosedException e) {
                        handleProcessError(fileName);
                        log.error("Ftp server closed connection ", e);
                        continue;
                    }

                    ftpClient.changeWorkingDirectory(dirToList);
                    continue;

                } else { //known file                        
                    long dif = aFile.getSize() - sizeFileList.get(dirToList + "/" + aFile.getName());
                    if (dif > 0) { //known and modified
                        long prevSize = sizeFileList.get(dirToList + "/" + aFile.getName());
                        InputStream inputStream = null;
                        try {
                            inputStream = ftpClient.retrieveFileStream(aFile.getName());
                            listener.fileStreamRetrieved();
                            readStream(inputStream, prevSize);

                            boolean success = inputStream != null && ftpClient.completePendingCommand(); //mandatory
                            if (success) {
                                sizeFileList.put(dirToList + "/" + aFile.getName(), aFile.getSize());
                                saveMap(sizeFileList);
                                ftpSourceCounter.incrementCountModProc();
                                log.info("modified: " + fileName + " ," + sizeFileList.size());
                            } else {
                                handleProcessError(fileName);
                            }
                        } catch (FTPConnectionClosedException e) {
                            log.error("Ftp server closed connection ", e);
                            handleProcessError(fileName);
                            continue;
                        }

                        ftpClient.changeWorkingDirectory(dirToList);
                        continue;
                    } else if (dif < 0) { //known and full modified
                        existFileList.remove(dirToList + "/" + aFile.getName()); //will be rediscovered as new file
                        saveMap(sizeFileList);
                        continue;
                    }
                    ftpClient.changeWorkingDirectory(parentDir);
                    continue;
                }
            } else if (aFile.isSymbolicLink()) {
                log.info(aFile.getName() + " is a link of " + aFile.getLink() + " access denied");
                ftpClient.changeWorkingDirectory(parentDir);
                continue;
            } else if (aFile.isUnknown()) {
                log.info(aFile.getName() + " unknown type of file");
                ftpClient.changeWorkingDirectory(parentDir);
                continue;
            } else {
                ftpClient.changeWorkingDirectory(parentDir);
                continue;
            }

        } //fin de bucle
    } //el listado no es vaco
}

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

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

From source file:org.apache.hive.hplsql.Ftp.java

/**
 * Run a thread to transfer files//from   www.ja v  a 2s .  c  om
 */
public void run() {
    byte[] data = null;
    Timer timer = new Timer();
    FTPClient ftp = this.ftp;
    if (currentThreadCnt.getAndIncrement() > 0) {
        ftp = openConnection(null);
    }
    while (true) {
        String file = filesQueue.poll();
        if (file == null) {
            break;
        }
        int num = currentFileCnt.getAndIncrement();
        FTPFile ftpFile = filesMap.get(file);
        long ftpSizeInBytes = ftpFile.getSize();
        String fmtSizeInBytes = Utils.formatSizeInBytes(ftpSizeInBytes);
        String targetFile = getTargetFileName(file);
        if (info) {
            info(null, "  " + file + " - started (" + num + " of " + fileCnt + ", " + fmtSizeInBytes + ")");
        }
        try {
            InputStream in = ftp.retrieveFileStream(file);
            OutputStream out = null;
            java.io.File targetLocalFile = null;
            File targetHdfsFile = null;
            if (local) {
                targetLocalFile = new java.io.File(targetFile);
                if (!targetLocalFile.exists()) {
                    targetLocalFile.getParentFile().mkdirs();
                    targetLocalFile.createNewFile();
                }
                out = new FileOutputStream(targetLocalFile, false /*append*/);
            } else {
                targetHdfsFile = new File();
                out = targetHdfsFile.create(targetFile, true /*overwrite*/);
            }
            if (data == null) {
                data = new byte[3 * 1024 * 1024];
            }
            int bytesRead = -1;
            long bytesReadAll = 0;
            long start = timer.start();
            long prev = start;
            long readTime = 0;
            long writeTime = 0;
            long cur, cur2, cur3;
            while (true) {
                cur = timer.current();
                bytesRead = in.read(data);
                cur2 = timer.current();
                readTime += (cur2 - cur);
                if (bytesRead == -1) {
                    break;
                }
                out.write(data, 0, bytesRead);
                out.flush();
                cur3 = timer.current();
                writeTime += (cur3 - cur2);
                bytesReadAll += bytesRead;
                if (info) {
                    cur = timer.current();
                    if (cur - prev > 13000) {
                        long elapsed = cur - start;
                        info(null,
                                "  " + file + " - in progress (" + Utils.formatSizeInBytes(bytesReadAll)
                                        + " of " + fmtSizeInBytes + ", "
                                        + Utils.formatPercent(bytesReadAll, ftpSizeInBytes) + ", "
                                        + Utils.formatTime(elapsed) + ", "
                                        + Utils.formatBytesPerSec(bytesReadAll, elapsed) + ", "
                                        + Utils.formatBytesPerSec(bytesReadAll, readTime) + " read, "
                                        + Utils.formatBytesPerSec(bytesReadAll, writeTime) + " write)");
                        prev = cur;
                    }
                }
            }
            if (ftp.completePendingCommand()) {
                in.close();
                cur = timer.current();
                out.close();
                readTime += (timer.current() - cur);
                bytesTransferredAll.addAndGet(bytesReadAll);
                fileCntSuccess.incrementAndGet();
                if (info) {
                    long elapsed = timer.stop();
                    info(null, "  " + file + " - complete (" + Utils.formatSizeInBytes(bytesReadAll) + ", "
                            + Utils.formatTime(elapsed) + ", " + Utils.formatBytesPerSec(bytesReadAll, elapsed)
                            + ", " + Utils.formatBytesPerSec(bytesReadAll, readTime) + " read, "
                            + Utils.formatBytesPerSec(bytesReadAll, writeTime) + " write)");
                }
            } else {
                in.close();
                out.close();
                if (info) {
                    info(null, "  " + file + " - failed");
                }
                exec.signal(Signal.Type.SQLEXCEPTION, "File transfer failed: " + file);
            }
        } catch (IOException e) {
            exec.signal(e);
        }
    }
    try {
        if (ftp.isConnected()) {
            ftp.logout();
            ftp.disconnect();
        }
    } catch (IOException e) {
    }
}

From source file:org.blue.star.plugins.check_ftp.java

public boolean execute_check() {
    /* Declare variables */
    FTPClient ftp = new FTPClient();
    File filename = null;/* ww  w.  j a  v  a2  s  .c  o m*/
    FileChannel channel;
    InputStream is;
    OutputStream os;
    int reply;

    if (super.verbose > 0)
        verbose = true;

    /* Configure client to meet our requirements */
    ftp.setDefaultPort(port);
    ftp.setDefaultTimeout(timeout);

    if (verbose) {
        System.out.println("Using FTP Server: " + hostname);
        System.out.println("Using FTP Port: " + port);
        System.out.println("Using Timeout of: " + timeout);
    }

    if (passive) {
        ftp.enterLocalPassiveMode();
        if (verbose)
            System.out.println("Using Passive Mode");
    }

    try {
        filename = new File(file);
        channel = new RandomAccessFile(filename, "rw").getChannel();

        if (verbose)
            System.out.println("Attempting FTP Connection to " + hostname);
        ftp.connect(hostname);
        reply = ftp.getReplyCode();

        /* Test to see if we actually managed to connect */
        if (!FTPReply.isPositiveCompletion(reply)) {
            if (verbose)
                System.out.println("FTP Connection to " + hostname + " failed");
            check_state = common_h.STATE_CRITICAL;
            check_message = ftp.getReplyString();
            filename.delete();
            ftp.disconnect();
            return true;
        }

        /* Try and login if we're using username/password */
        if (username != null && password != null) {
            if (verbose)
                System.out.println("Attempting to log in into FTP Server " + hostname);

            if (!ftp.login(username, password)) {
                if (verbose)
                    System.out.println("Unable to log in to FTP Server " + hostname);
                check_state = common_h.STATE_CRITICAL;
                check_message = ftp.getReplyString();
                ftp.disconnect();
                filename.delete();
                return true;
            }
        }

        if (verbose)
            System.out.println("Attempting to change to required directory");
        /* Try and change to the given directory */
        if (!ftp.changeWorkingDirectory(directory)) {
            if (verbose)
                System.out.println("Required directory cannot be found!");
            check_state = common_h.STATE_WARNING;
            check_message = ftp.getReplyString();
            ftp.disconnect();
            filename.delete();
            return true;
        }

        if (verbose)
            System.out.println("Attempting to retrieve specified file!");
        /* Try to get Stream on Remote File! */
        is = ftp.retrieveFileStream(file);

        if (is == null) {
            if (verbose)
                System.out.println("Unable to locate required file.");
            check_state = common_h.STATE_WARNING;
            check_message = ftp.getReplyString();
            ftp.disconnect();
            filename.delete();
            return true;
        }

        /* OutputStream */
        os = Channels.newOutputStream(channel);

        /* Create the buffer */
        byte[] buf = new byte[4096];

        if (verbose)
            System.out.println("Beginning File transfer...");
        for (int len = -1; (len = is.read(buf)) != -1;)
            os.write(buf, 0, len);

        if (verbose) {
            System.out.println("...transfer complete.");
            System.out.println("Attempting to finalise Command");
        }

        /* Finalise the transfer details */
        if (!ftp.completePendingCommand()) {
            if (verbose)
                System.out.println("Unable to finalise command");
            check_state = common_h.STATE_WARNING;
            check_message = ftp.getReplyString();
            ftp.disconnect();
            filename.delete();
            return true;
        }

        /* Clean up */
        if (verbose)
            System.out.println("Check Completed.");
        check_state = common_h.STATE_OK;
        check_message = ftp.getReplyString();

        /* Close out things */
        is.close();
        os.close();
        channel.close();
        filename.delete();

    } catch (IOException e) {
        check_state = common_h.STATE_CRITICAL;
        check_message = e.getMessage();
        if (filename != null)
            filename.delete();
    } finally {
        if (ftp.isConnected()) {
            try {
                ftp.logout();
                ftp.disconnect();

            } catch (Exception e) {
            }
        }
    }

    return true;
}

From source file:org.gogpsproject.parser.rinex.RinexNavigation.java

private RinexNavigationParser getFromFTP(String url) throws IOException {
    RinexNavigationParser rnp = null;//from  w  w  w .  ja v a  2 s.  c o  m

    String origurl = url;
    if (negativeChache.containsKey(url)) {
        if (System.currentTimeMillis() - negativeChache.get(url).getTime() < 60 * 60 * 1000) {
            throw new FileNotFoundException("cached answer");
        } else {
            negativeChache.remove(url);
        }
    }

    String filename = url.replaceAll("[ ,/:]", "_");
    if (filename.endsWith(".Z"))
        filename = filename.substring(0, filename.length() - 2);
    File rnf = new File(RNP_CACHE, filename);

    if (!rnf.exists()) {
        System.out.println(url + " from the net.");
        FTPClient ftp = new FTPClient();

        try {
            int reply;
            System.out.println("URL: " + url);
            url = url.substring("ftp://".length());
            String server = url.substring(0, url.indexOf('/'));
            String remoteFile = url.substring(url.indexOf('/'));
            String remotePath = remoteFile.substring(0, remoteFile.lastIndexOf('/'));
            remoteFile = remoteFile.substring(remoteFile.lastIndexOf('/') + 1);

            ftp.connect(server);
            ftp.login("anonymous", "info@eriadne.org");

            System.out.print(ftp.getReplyString());

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

            if (!FTPReply.isPositiveCompletion(reply)) {
                ftp.disconnect();
                System.err.println("FTP server refused connection.");
                return null;
            }

            System.out.println("cwd to " + remotePath + " " + ftp.changeWorkingDirectory(remotePath));
            System.out.println(ftp.getReplyString());
            ftp.setFileType(FTP.BINARY_FILE_TYPE);
            System.out.println(ftp.getReplyString());

            System.out.println("open " + remoteFile);
            InputStream is = ftp.retrieveFileStream(remoteFile);
            InputStream uis = is;
            System.out.println(ftp.getReplyString());
            if (ftp.getReplyString().startsWith("550")) {
                negativeChache.put(origurl, new Date());
                throw new FileNotFoundException();
            }

            if (remoteFile.endsWith(".Z")) {
                uis = new UncompressInputStream(is);
            }

            rnp = new RinexNavigationParser(uis, rnf);
            rnp.init();
            is.close();

            ftp.completePendingCommand();

            ftp.logout();
        } finally {
            if (ftp.isConnected()) {
                try {
                    ftp.disconnect();
                } catch (IOException ioe) {
                    // do nothing
                }
            }
        }
    } else {
        System.out.println(url + " from cache file " + rnf);
        rnp = new RinexNavigationParser(rnf);
        rnp.init();
    }
    return rnp;
}

From source file:org.gogpsproject.parser.sp3.SP3Navigation.java

private SP3Parser getFromFTP(String url) throws IOException {
    SP3Parser sp3p = null;//from   w w  w . j a  v a2s .co m

    String filename = url.replaceAll("[ ,/:]", "_");
    if (filename.endsWith(".Z"))
        filename = filename.substring(0, filename.length() - 2);
    File sp3f = new File(SP3_CACHE, filename);

    if (!sp3f.exists()) {
        System.out.println(url + " from the net.");
        FTPClient ftp = new FTPClient();

        try {
            int reply;
            System.out.println("URL: " + url);
            url = url.substring("ftp://".length());
            String server = url.substring(0, url.indexOf('/'));
            String remoteFile = url.substring(url.indexOf('/'));
            String remotePath = remoteFile.substring(0, remoteFile.lastIndexOf('/'));
            remoteFile = remoteFile.substring(remoteFile.lastIndexOf('/') + 1);

            ftp.connect(server);
            ftp.login("anonymous", "info@eriadne.org");

            System.out.print(ftp.getReplyString());

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

            if (!FTPReply.isPositiveCompletion(reply)) {
                ftp.disconnect();
                System.err.println("FTP server refused connection.");
                return null;
            }

            System.out.println("cwd to " + remotePath + " " + ftp.changeWorkingDirectory(remotePath));
            System.out.println(ftp.getReplyString());
            ftp.setFileType(FTP.BINARY_FILE_TYPE);
            System.out.println(ftp.getReplyString());

            System.out.println("open " + remoteFile);
            InputStream is = ftp.retrieveFileStream(remoteFile);
            InputStream uis = is;
            System.out.println(ftp.getReplyString());
            if (ftp.getReplyString().startsWith("550")) {
                throw new FileNotFoundException();
            }

            if (remoteFile.endsWith(".Z")) {
                uis = new UncompressInputStream(is);
            }

            sp3p = new SP3Parser(uis, sp3f);
            sp3p.init();
            is.close();

            ftp.completePendingCommand();

            ftp.logout();
        } finally {
            if (ftp.isConnected()) {
                try {
                    ftp.disconnect();
                } catch (IOException ioe) {
                    // do nothing
                }
            }
        }
    } else {
        System.out.println(url + " from cache file " + sp3f);
        sp3p = new SP3Parser(sp3f);
        sp3p.init();
    }
    return sp3p;
}

From source file:org.mule.transport.ftp.FtpConnector.java

/**
 * Well get the output stream (if any) for this type of transport. Typically this
 * will be called only when Streaming is being used on an outbound endpoint
 *
 * @param endpoint the endpoint that releates to this Dispatcher
 * @param event the current event being processed
 * @return the output stream to use for this request or null if the transport
 *         does not support streaming//from www.  j ava 2 s .  co m
 */
@Override
public OutputStream getOutputStream(OutboundEndpoint endpoint, MuleEvent event) throws MuleException {
    try {
        final EndpointURI uri = endpoint.getEndpointURI();
        String filename = getFilename(endpoint, event.getMessage());

        final FTPClient client;
        try {
            client = this.createFtpClient(endpoint);
        } catch (Exception e) {
            throw new ConnectException(e, this);
        }

        try {
            OutputStream out = client.storeFileStream(filename);
            if (out == null) {
                throw new IOException("FTP operation failed: " + client.getReplyString());
            }

            return new CallbackOutputStream(out, new CallbackOutputStream.Callback() {
                public void onClose() throws Exception {
                    try {
                        if (!client.completePendingCommand()) {
                            client.logout();
                            client.disconnect();
                            throw new IOException("FTP Stream failed to complete pending request");
                        }
                    } finally {
                        releaseFtp(uri, client);
                    }
                }
            });
        } catch (Exception e) {
            logger.debug("Error getting output stream: ", e);
            releaseFtp(uri, client);
            throw e;
        }
    } catch (ConnectException ce) {
        // Don't wrap a ConnectException, otherwise the retry policy will not go into effect.
        throw ce;
    } catch (Exception e) {
        throw new DispatchException(CoreMessages.streamingFailedNoStream(), event, endpoint, e);
    }
}

From source file:org.mule.transport.ftp.FtpMessageReceiver.java

protected void postProcess(FTPClient client, FTPFile file, MuleMessage message) throws Exception {
    if (!client.deleteFile(file.getName())) {
        throw new IOException(MessageFormat.format("Failed to delete file {0}. Ftp error: {1}", file.getName(),
                client.getReplyCode()));
    }/*from   w ww  .j  av a 2  s  .  c  o m*/
    if (logger.isDebugEnabled()) {
        logger.debug("Deleted processed file " + file.getName());
    }

    if (connector.isStreaming()) {
        if (!client.completePendingCommand()) {
            throw new IOException(MessageFormat.format(
                    "Failed to complete a pending command. Retrieveing file {0}. Ftp error: {1}",
                    file.getName(), client.getReplyCode()));
        }
    }
}