Example usage for org.apache.commons.net.ftp FTPReply isPositiveCompletion

List of usage examples for org.apache.commons.net.ftp FTPReply isPositiveCompletion

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Introduction

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

Prototype

public static boolean isPositiveCompletion(int reply)

Source Link

Document

Determine if a reply code is a positive completion response.

Usage

From source file:org.apache.nutch.protocol.ftp.FtpResponse.java

private void getFileAsHttpResponse(String path, long lastModified) throws IOException {

    ByteArrayOutputStream os = null;
    List<FTPFile> list = null;

    try {/*  www.j a v  a  2 s  . c o  m*/
        // first get its possible attributes
        list = new LinkedList<FTPFile>();
        ftp.client.retrieveList(path, list, ftp.maxContentLength, ftp.parser);

        FTPFile ftpFile = (FTPFile) list.get(0);
        this.headers.set(Response.CONTENT_LENGTH, new Long(ftpFile.getSize()).toString());
        this.headers.set(Response.LAST_MODIFIED, HttpDateFormat.toString(ftpFile.getTimestamp()));
        // don't retrieve the file if not changed.
        if (ftpFile.getTimestamp().getTimeInMillis() <= lastModified) {
            code = 304;
            return;
        }
        os = new ByteArrayOutputStream(ftp.getBufferSize());
        ftp.client.retrieveFile(path, os, ftp.maxContentLength);

        this.content = os.toByteArray();

        // // approximate bytes sent and read
        // if (this.httpAccounting != null) {
        // this.httpAccounting.incrementBytesSent(path.length());
        // this.httpAccounting.incrementBytesRead(this.content.length);
        // }

        this.code = 200; // http OK

    } catch (FtpExceptionControlClosedByForcedDataClose e) {

        // control connection is off, clean up
        // ftp.client.disconnect();
        if ((ftp.followTalk) && (Ftp.LOG.isInfoEnabled())) {
            Ftp.LOG.info("delete client because server cut off control channel: " + e);
        }
        ftp.client = null;

        // in case this FtpExceptionControlClosedByForcedDataClose is
        // thrown by retrieveList() (not retrieveFile()) above,
        if (os == null) { // indicating throwing by retrieveList()
            // throw new FtpException("fail to get attibutes: "+path);
            if (Ftp.LOG.isWarnEnabled()) {
                Ftp.LOG.warn("Please try larger maxContentLength for ftp.client.retrieveList(). " + e);
            }
            // in a way, this is our request fault
            this.code = 400; // http Bad request
            return;
        }

        FTPFile ftpFile = (FTPFile) list.get(0);
        this.headers.set(Response.CONTENT_LENGTH, new Long(ftpFile.getSize()).toString());
        // this.headers.put("content-type", "text/html");
        this.headers.set(Response.LAST_MODIFIED, HttpDateFormat.toString(ftpFile.getTimestamp()));
        this.content = os.toByteArray();
        if (ftpFile.getTimestamp().getTimeInMillis() <= lastModified) {
            code = 304;
            return;
        }

        // // approximate bytes sent and read
        // if (this.httpAccounting != null) {
        // this.httpAccounting.incrementBytesSent(path.length());
        // this.httpAccounting.incrementBytesRead(this.content.length);
        // }

        this.code = 200; // http OK

    } catch (FtpExceptionCanNotHaveDataConnection e) {

        if (FTPReply.isPositiveCompletion(ftp.client.cwd(path))) {
            // it is not a file, but dir, so redirect as a dir
            this.headers.set(Response.LOCATION, path + "/");
            this.code = 300; // http redirect
            // fixme, should we do ftp.client.cwd("/"), back to top dir?
        } else {
            // it is not a dir either
            this.code = 404; // http Not Found
        }

    } catch (FtpExceptionUnknownForcedDataClose e) {
        // Please note control channel is still live.
        // in a way, this is our request fault
        if (Ftp.LOG.isWarnEnabled()) {
            Ftp.LOG.warn("Unrecognized reply after forced close of data channel. "
                    + "If this is acceptable, please modify Client.java accordingly. " + e);
        }
        this.code = 400; // http Bad Request
    }

}

From source file:org.apache.nutch.protocol.ftp.FtpResponse.java

private void getDirAsHttpResponse(String path, long lastModified) throws IOException {
    List<FTPFile> list = new LinkedList<FTPFile>();

    try {/*w w w .  j  av a2  s  .co  m*/

        // change to that dir first
        if (!FTPReply.isPositiveCompletion(ftp.client.cwd(path))) {
            this.code = 404; // http Not Found
            return;
        }

        // fixme, should we do ftp.client.cwd("/"), back to top dir?

        ftp.client.retrieveList(null, list, ftp.maxContentLength, ftp.parser);
        this.content = list2html(list, path, "/".equals(path) ? false : true);
        this.headers.set(Response.CONTENT_LENGTH, new Integer(this.content.length).toString());
        this.headers.set(Response.CONTENT_TYPE, "text/html");
        // this.headers.put("Last-Modified", null);

        // // approximate bytes sent and read
        // if (this.httpAccounting != null) {
        // this.httpAccounting.incrementBytesSent(path.length());
        // this.httpAccounting.incrementBytesRead(this.content.length);
        // }

        this.code = 200; // http OK

    } catch (FtpExceptionControlClosedByForcedDataClose e) {

        // control connection is off, clean up
        // ftp.client.disconnect();
        if ((ftp.followTalk) && (Ftp.LOG.isInfoEnabled())) {
            Ftp.LOG.info("delete client because server cut off control channel: " + e);
        }
        ftp.client = null;

        this.content = list2html(list, path, "/".equals(path) ? false : true);
        this.headers.set(Response.CONTENT_LENGTH, new Integer(this.content.length).toString());
        this.headers.set(Response.CONTENT_TYPE, "text/html");
        // this.headers.put("Last-Modified", null);

        // // approximate bytes sent and read
        // if (this.httpAccounting != null) {
        // this.httpAccounting.incrementBytesSent(path.length());
        // this.httpAccounting.incrementBytesRead(this.content.length);
        // }

        this.code = 200; // http OK

    } catch (FtpExceptionUnknownForcedDataClose e) {
        // Please note control channel is still live.
        // in a way, this is our request fault
        if (Ftp.LOG.isWarnEnabled()) {
            Ftp.LOG.warn("Unrecognized reply after forced close of data channel. "
                    + "If this is acceptable, please modify Client.java accordingly. " + e);
        }
        this.code = 400; // http Bad Request
    } catch (FtpExceptionCanNotHaveDataConnection e) {
        if (Ftp.LOG.isWarnEnabled()) {
            Ftp.LOG.warn("" + e);
        }
        this.code = 500; // http Iternal Server Error
    }

}

From source file:org.apache.ofbiz.common.FtpServices.java

public static Map<String, Object> putFile(DispatchContext dctx, Map<String, ?> context) {
    Locale locale = (Locale) context.get("locale");
    Debug.logInfo("[putFile] starting...", module);
    InputStream localFile = null;
    try {/*w w w. j  a va 2 s  . c om*/
        localFile = new FileInputStream((String) context.get("localFilename"));
    } catch (IOException ioe) {
        Debug.logError(ioe, "[putFile] Problem opening local file", module);
        return ServiceUtil
                .returnError(UtilProperties.getMessage(resource, "CommonFtpFileCannotBeOpen", locale));
    }
    List<String> errorList = new LinkedList<String>();
    FTPClient ftp = new FTPClient();
    try {
        Integer defaultTimeout = (Integer) context.get("defaultTimeout");
        if (UtilValidate.isNotEmpty(defaultTimeout)) {
            Debug.logInfo("[putFile] set default timeout to: " + defaultTimeout.intValue() + " milliseconds",
                    module);
            ftp.setDefaultTimeout(defaultTimeout.intValue());
        }
        Debug.logInfo("[putFile] connecting to: " + (String) context.get("hostname"), module);
        ftp.connect((String) context.get("hostname"));
        if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
            Debug.logInfo("[putFile] Server refused connection", module);
            errorList.add(UtilProperties.getMessage(resource, "CommonFtpConnectionRefused", locale));
        } else {
            String username = (String) context.get("username");
            String password = (String) context.get("password");
            Debug.logInfo("[putFile] logging in: username=" + username + ", password=" + password, module);
            if (!ftp.login(username, password)) {
                Debug.logInfo("[putFile] login failed", module);
                errorList.add(UtilProperties.getMessage(resource, "CommonFtpLoginFailure",
                        UtilMisc.toMap("username", username, "password", password), locale));
            } else {
                Boolean binaryTransfer = (Boolean) context.get("binaryTransfer");
                boolean binary = (binaryTransfer == null) ? false : binaryTransfer.booleanValue();
                if (binary) {
                    ftp.setFileType(FTP.BINARY_FILE_TYPE);
                }
                Boolean passiveMode = (Boolean) context.get("passiveMode");
                boolean passive = (passiveMode == null) ? true : passiveMode.booleanValue();
                if (passive) {
                    ftp.enterLocalPassiveMode();
                }
                Debug.logInfo("[putFile] storing local file remotely as: " + context.get("remoteFilename"),
                        module);
                if (!ftp.storeFile((String) context.get("remoteFilename"), localFile)) {
                    Debug.logInfo("[putFile] store was unsuccessful", module);
                    errorList.add(UtilProperties.getMessage(resource, "CommonFtpFileNotSentSuccesfully",
                            UtilMisc.toMap("replyString", ftp.getReplyString()), locale));
                } else {
                    Debug.logInfo("[putFile] store was successful", module);
                    List<String> siteCommands = checkList(context.get("siteCommands"), String.class);
                    if (siteCommands != null) {
                        for (String command : siteCommands) {
                            Debug.logInfo("[putFile] sending SITE command: " + command, module);
                            if (!ftp.sendSiteCommand(command)) {
                                errorList.add(UtilProperties.getMessage(resource, "CommonFtpSiteCommandFailed",
                                        UtilMisc.toMap("command", command, "replyString", ftp.getReplyString()),
                                        locale));
                            }
                        }
                    }
                }
            }
            ftp.logout();
        }
    } catch (IOException ioe) {
        Debug.logWarning(ioe, "[putFile] caught exception: " + ioe.getMessage(), module);
        errorList.add(UtilProperties.getMessage(resource, "CommonFtpProblemWithTransfer",
                UtilMisc.toMap("errorString", ioe.getMessage()), locale));
    } finally {
        try {
            if (ftp.isConnected()) {
                ftp.disconnect();
            }
        } catch (Exception e) {
            Debug.logWarning(e, "[putFile] Problem with FTP disconnect: ", module);
        }
        try {
            localFile.close();
        } catch (Exception e) {
            Debug.logWarning(e, "[putFile] Problem closing local file: ", module);
        }
    }
    if (errorList.size() > 0) {
        Debug.logError("[putFile] The following error(s) (" + errorList.size() + ") occurred: " + errorList,
                module);
        return ServiceUtil.returnError(errorList);
    }
    Debug.logInfo("[putFile] finished successfully", module);
    return ServiceUtil.returnSuccess();
}

From source file:org.apache.ofbiz.common.FtpServices.java

public static Map<String, Object> getFile(DispatchContext dctx, Map<String, ?> context) {
    Locale locale = (Locale) context.get("locale");
    String localFilename = (String) context.get("localFilename");
    OutputStream localFile = null;
    try {//from  w w  w  . j ava2 s .  c o m
        localFile = new FileOutputStream(localFilename);
    } catch (IOException ioe) {
        Debug.logError(ioe, "[getFile] Problem opening local file", module);
        return ServiceUtil
                .returnError(UtilProperties.getMessage(resource, "CommonFtpFileCannotBeOpen", locale));
    }
    List<String> errorList = new LinkedList<String>();
    FTPClient ftp = new FTPClient();
    try {
        Integer defaultTimeout = (Integer) context.get("defaultTimeout");
        if (UtilValidate.isNotEmpty(defaultTimeout)) {
            Debug.logInfo("[getFile] Set default timeout to: " + defaultTimeout.intValue() + " milliseconds",
                    module);
            ftp.setDefaultTimeout(defaultTimeout.intValue());
        }
        ftp.connect((String) context.get("hostname"));
        if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
            errorList.add(UtilProperties.getMessage(resource, "CommonFtpConnectionRefused", locale));
        } else {
            String username = (String) context.get("username");
            String password = (String) context.get("password");
            if (!ftp.login(username, password)) {
                errorList.add(UtilProperties.getMessage(resource, "CommonFtpLoginFailure",
                        UtilMisc.toMap("username", username, "password", password), locale));
            } else {
                Boolean binaryTransfer = (Boolean) context.get("binaryTransfer");
                boolean binary = (binaryTransfer == null) ? false : binaryTransfer.booleanValue();
                if (binary) {
                    ftp.setFileType(FTP.BINARY_FILE_TYPE);
                }
                Boolean passiveMode = (Boolean) context.get("passiveMode");
                boolean passive = (passiveMode == null) ? false : passiveMode.booleanValue();
                if (passive) {
                    ftp.enterLocalPassiveMode();
                }
                if (!ftp.retrieveFile((String) context.get("remoteFilename"), localFile)) {
                    errorList.add(UtilProperties.getMessage(resource, "CommonFtpFileNotSentSuccesfully",
                            UtilMisc.toMap("replyString", ftp.getReplyString()), locale));
                }
            }
            ftp.logout();
        }
    } catch (IOException ioe) {
        Debug.logWarning(ioe, "[getFile] caught exception: " + ioe.getMessage(), module);
        errorList.add(UtilProperties.getMessage(resource, "CommonFtpProblemWithTransfer",
                UtilMisc.toMap("errorString", ioe.getMessage()), locale));
    } finally {
        try {
            if (ftp.isConnected()) {
                ftp.disconnect();
            }
        } catch (Exception e) {
            Debug.logWarning(e, "[getFile] Problem with FTP disconnect: ", module);
        }
        try {
            localFile.close();
        } catch (Exception e) {
            Debug.logWarning(e, "[getFile] Problem closing local file: ", module);
        }
    }
    if (errorList.size() > 0) {
        Debug.logError("[getFile] The following error(s) (" + errorList.size() + ") occurred: " + errorList,
                module);
        return ServiceUtil.returnError(errorList);
    }
    return ServiceUtil.returnSuccess();
}

From source file:org.apache.sqoop.connector.ftp.ftpclient.FtpConnectorClient.java

/**
 * Connect to the FTP server./*w  w  w. j  ava2  s .c om*/
 *
 * @param username Username for server login.
 * @param pass Password for server login.
 *
 * @throws SqoopException Thrown if an error occurs while connecting to server.
 */
public void connect(String username, String pass) throws SqoopException {

    try {
        ftpClient.connect(ftpServer, ftpPort);
        LOG.info(getServerReplyAsString());
        int replyCode = ftpClient.getReplyCode();
        if (!FTPReply.isPositiveCompletion(replyCode)) {
            ftpClient.disconnect();
            LOG.error("Operation failed. Server reply code: " + replyCode);
            throw new SqoopException(FtpConnectorError.FTP_CONNECTOR_0001, "Server reply code=" + replyCode);
        }

        boolean success = ftpClient.login(username, pass);
        LOG.info(getServerReplyAsString());
        if (!success) {
            ftpClient.disconnect();
            LOG.error("Could not login to the server" + ftpServer);
            throw new SqoopException(FtpConnectorError.FTP_CONNECTOR_0001);
        } else {
            LOG.info("logged into " + ftpServer);
        }
    } catch (IOException e) {
        LOG.error("Caught IOException connecting to FTP server: " + e.getMessage());
        throw new SqoopException(FtpConnectorError.FTP_CONNECTOR_0001, "Caught IOException: " + e.getMessage(),
                e);
    }
}

From source file:org.apache.sqoop.connector.mainframe.MainframeFTPClientUtils.java

public static FTPClient getFTPConnection(TransferableContext context, LinkConfiguration linkConfiguration)
        throws IOException {
    FTPClient ftp = null;//from w  w  w . ja  v a2s . c  o m
    try {
        String username = linkConfiguration.linkConfig.username;
        String password;
        if (username == null) {
            username = "anonymous";
            password = "";
        } else {
            password = linkConfiguration.linkConfig.password;
        }

        String connectString = linkConfiguration.linkConfig.uri;
        String server = connectString;
        int port = 0;
        String[] parts = connectString.split(":");
        if (parts.length == 2) {
            server = parts[0];
            try {
                port = Integer.parseInt(parts[1]);
            } catch (NumberFormatException e) {
                LOG.warn("Invalid port number: " + e.toString());
            }
        }

        if (null != mockFTPClient) {
            ftp = mockFTPClient;
        } else {
            ftp = new FTPClient();
        }

        // The following section to get the system key for FTPClientConfig is just there for testing purposes
        String systemKey = null;
        String systemTypeString = context.getString("spark.mainframe.connector.system.type", "MVS");
        if (systemTypeString.equals("MVS")) {
            systemKey = FTPClientConfig.SYST_MVS;
        } else if (systemTypeString.equals("UNIX")) {
            systemKey = FTPClientConfig.SYST_UNIX;
        } else {
            assert (false);
        }

        FTPClientConfig config = new FTPClientConfig(systemKey);
        ftp.configure(config);

        try {
            if (port > 0) {
                ftp.connect(server, port);
            } else {
                ftp.connect(server);
            }
        } catch (IOException ioexp) {
            throw new IOException("Could not connect to server " + server, ioexp);
        }

        int reply = ftp.getReplyCode();
        if (!FTPReply.isPositiveCompletion(reply)) {
            throw new IOException("FTP server " + server + " refused connection:" + ftp.getReplyString());
        }
        LOG.info("Connected to " + server + " on " + (port > 0 ? port : ftp.getDefaultPort()));
        if (!ftp.login(username, password)) {
            ftp.logout();
            throw new IOException("Could not login to server " + server + ":" + ftp.getReplyString());
        }
        // set ASCII transfer mode
        ftp.setFileType(FTP.ASCII_FILE_TYPE);
        // Use passive mode as default.
        ftp.enterLocalPassiveMode();
    } catch (IOException ioe) {
        if (ftp != null && ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        ftp = null;
        throw ioe;
    }
    return ftp;
}

From source file:org.apache.sqoop.util.MainframeFTPClientUtils.java

public static FTPClient getFTPConnection(Configuration conf) throws IOException {
    FTPClient ftp = null;// www .j  a v a 2 s . c  om
    try {
        String username = conf.get(DBConfiguration.USERNAME_PROPERTY);
        String password;
        if (username == null) {
            username = "anonymous";
            password = "";
        } else {
            password = DBConfiguration.getPassword((JobConf) conf);
        }

        String connectString = conf.get(DBConfiguration.URL_PROPERTY);
        String server = connectString;
        int port = 0;
        String[] parts = connectString.split(":");
        if (parts.length == 2) {
            server = parts[0];
            try {
                port = Integer.parseInt(parts[1]);
            } catch (NumberFormatException e) {
                LOG.warn("Invalid port number: " + e.toString());
            }
        }

        if (null != mockFTPClient) {
            ftp = mockFTPClient;
        } else {
            ftp = new FTPClient();
        }

        FTPClientConfig config = new FTPClientConfig(FTPClientConfig.SYST_MVS);
        ftp.configure(config);

        if (conf.getBoolean(JobBase.PROPERTY_VERBOSE, false)) {
            ftp.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true));
        }
        try {
            if (port > 0) {
                ftp.connect(server, port);
            } else {
                ftp.connect(server);
            }
        } catch (IOException ioexp) {
            throw new IOException("Could not connect to server " + server, ioexp);
        }

        int reply = ftp.getReplyCode();
        if (!FTPReply.isPositiveCompletion(reply)) {
            throw new IOException("FTP server " + server + " refused connection:" + ftp.getReplyString());
        }
        LOG.info("Connected to " + server + " on " + (port > 0 ? port : ftp.getDefaultPort()));
        if (!ftp.login(username, password)) {
            ftp.logout();
            throw new IOException("Could not login to server " + server + ":" + ftp.getReplyString());
        }
        // set ASCII transfer mode
        ftp.setFileType(FTP.ASCII_FILE_TYPE);
        // Use passive mode as default.
        ftp.enterLocalPassiveMode();
        LOG.info("System type detected: " + ftp.getSystemType());
    } catch (IOException ioe) {
        if (ftp != null && ftp.isConnected()) {
            try {
                ftp.disconnect();
            } catch (IOException f) {
                // do nothing
            }
        }
        ftp = null;
        throw ioe;
    }
    return ftp;
}

From source file:org.apache.tools.ant.taskdefs.optional.net.FTP.java

/**
 * auto find the time difference between local and remote
 * @param ftp handle to ftp client//from  w ww . ja  v a2  s .  c om
 * @return number of millis to add to remote time to make it comparable to local time
 * @since ant 1.6
 */
private long getTimeDiff(FTPClient ftp) {
    long returnValue = 0;
    File tempFile = findFileName(ftp);
    try {
        // create a local temporary file
        FILE_UTILS.createNewFile(tempFile);
        long localTimeStamp = tempFile.lastModified();
        BufferedInputStream instream = new BufferedInputStream(new FileInputStream(tempFile));
        ftp.storeFile(tempFile.getName(), instream);
        instream.close();
        boolean success = FTPReply.isPositiveCompletion(ftp.getReplyCode());
        if (success) {
            FTPFile[] ftpFiles = ftp.listFiles(tempFile.getName());
            if (ftpFiles.length == 1) {
                long remoteTimeStamp = ftpFiles[0].getTimestamp().getTime().getTime();
                returnValue = localTimeStamp - remoteTimeStamp;
            }
            ftp.deleteFile(ftpFiles[0].getName());
        }
        // delegate the deletion of the local temp file to the delete task
        // because of race conditions occurring on Windows
        Delete mydelete = new Delete();
        mydelete.bindToOwner(this);
        mydelete.setFile(tempFile.getCanonicalFile());
        mydelete.execute();
    } catch (Exception e) {
        throw new BuildException(e, getLocation());
    }
    return returnValue;
}

From source file:org.apache.tools.ant.taskdefs.optional.net.FTP.java

/**
 * Sends a single file to the remote host. <code>filename</code> may
 * contain a relative path specification. When this is the case, <code>sendFile</code>
 * will attempt to create any necessary parent directories before sending
 * the file. The file will then be sent using the entire relative path
 * spec - no attempt is made to change directories. It is anticipated that
 * this may eventually cause problems with some FTP servers, but it
 * simplifies the coding.//from w  ww  .  jav a 2 s  .  com
 * @param ftp ftp client
 * @param dir base directory of the file to be sent (local)
 * @param filename relative path of the file to be send
 *        locally relative to dir
 *        remotely relative to the remotedir attribute
 * @throws IOException  in unknown circumstances
 * @throws BuildException in unknown circumstances
 */
protected void sendFile(FTPClient ftp, String dir, String filename) throws IOException, BuildException {
    InputStream instream = null;

    try {
        // TODO - why not simply new File(dir, filename)?
        File file = getProject().resolveFile(new File(dir, filename).getPath());

        if (newerOnly && isUpToDate(ftp, file, resolveFile(filename))) {
            return;
        }

        if (verbose) {
            log("transferring " + file.getAbsolutePath());
        }

        instream = new BufferedInputStream(new FileInputStream(file));

        createParents(ftp, filename);

        ftp.storeFile(resolveFile(filename), instream);

        boolean success = FTPReply.isPositiveCompletion(ftp.getReplyCode());

        if (!success) {
            String s = "could not put file: " + ftp.getReplyString();

            if (skipFailedTransfers) {
                log(s, Project.MSG_WARN);
                skipped++;
            } else {
                throw new BuildException(s);
            }

        } else {
            // see if we should issue a chmod command
            if (chmod != null) {
                doSiteCommand(ftp, "chmod " + chmod + " " + resolveFile(filename));
            }
            log("File " + file.getAbsolutePath() + " copied to " + server, Project.MSG_VERBOSE);
            transferred++;
        }
    } finally {
        FileUtils.close(instream);
    }
}

From source file:org.apache.tools.ant.taskdefs.optional.net.FTP.java

/**
 * Runs the task.//from ww w .j a va  2  s.  co m
 *
 * @throws BuildException if the task fails or is not configured
 *         correctly.
 */
public void execute() throws BuildException {
    checkAttributes();

    FTPClient ftp = null;

    try {
        log("Opening FTP connection to " + server, Project.MSG_VERBOSE);

        ftp = new FTPClient();
        if (this.isConfigurationSet) {
            ftp = FTPConfigurator.configure(ftp, this);
        }

        ftp.setRemoteVerificationEnabled(enableRemoteVerification);
        ftp.connect(server, port);
        if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
            throw new BuildException("FTP connection failed: " + ftp.getReplyString());
        }

        log("connected", Project.MSG_VERBOSE);
        log("logging in to FTP server", Project.MSG_VERBOSE);

        if ((this.account != null && !ftp.login(userid, password, account))
                || (this.account == null && !ftp.login(userid, password))) {
            throw new BuildException("Could not login to FTP server");
        }

        log("login succeeded", Project.MSG_VERBOSE);

        if (binary) {
            ftp.setFileType(org.apache.commons.net.ftp.FTP.BINARY_FILE_TYPE);
            if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                throw new BuildException("could not set transfer type: " + ftp.getReplyString());
            }
        } else {
            ftp.setFileType(org.apache.commons.net.ftp.FTP.ASCII_FILE_TYPE);
            if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                throw new BuildException("could not set transfer type: " + ftp.getReplyString());
            }
        }

        if (passive) {
            log("entering passive mode", Project.MSG_VERBOSE);
            ftp.enterLocalPassiveMode();
            if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                throw new BuildException("could not enter into passive " + "mode: " + ftp.getReplyString());
            }
        }

        // If an initial command was configured then send it.
        // Some FTP servers offer different modes of operation,
        // E.G. switching between a UNIX file system mode and
        // a legacy file system.
        if (this.initialSiteCommand != null) {
            RetryHandler h = new RetryHandler(this.retriesAllowed, this);
            final FTPClient lftp = ftp;
            executeRetryable(h, new Retryable() {
                public void execute() throws IOException {
                    doSiteCommand(lftp, FTP.this.initialSiteCommand);
                }
            }, "initial site command: " + this.initialSiteCommand);
        }

        // For a unix ftp server you can set the default mask for all files
        // created.

        if (umask != null) {
            RetryHandler h = new RetryHandler(this.retriesAllowed, this);
            final FTPClient lftp = ftp;
            executeRetryable(h, new Retryable() {
                public void execute() throws IOException {
                    doSiteCommand(lftp, "umask " + umask);
                }
            }, "umask " + umask);
        }

        // If the action is MK_DIR, then the specified remote
        // directory is the directory to create.

        if (action == MK_DIR) {
            RetryHandler h = new RetryHandler(this.retriesAllowed, this);
            final FTPClient lftp = ftp;
            executeRetryable(h, new Retryable() {
                public void execute() throws IOException {
                    makeRemoteDir(lftp, remotedir);
                }
            }, remotedir);
        } else if (action == SITE_CMD) {
            RetryHandler h = new RetryHandler(this.retriesAllowed, this);
            final FTPClient lftp = ftp;
            executeRetryable(h, new Retryable() {
                public void execute() throws IOException {
                    doSiteCommand(lftp, FTP.this.siteCommand);
                }
            }, "Site Command: " + this.siteCommand);
        } else {
            if (remotedir != null) {
                log("changing the remote directory to " + remotedir, Project.MSG_VERBOSE);
                ftp.changeWorkingDirectory(remotedir);
                if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                    throw new BuildException("could not change remote " + "directory: " + ftp.getReplyString());
                }
            }
            if (newerOnly && timeDiffAuto) {
                // in this case we want to find how much time span there is between local
                // and remote
                timeDiffMillis = getTimeDiff(ftp);
            }
            log(ACTION_STRS[action] + " " + ACTION_TARGET_STRS[action]);
            transferFiles(ftp);
        }

    } catch (IOException ex) {
        throw new BuildException("error during FTP transfer: " + ex, ex);
    } finally {
        if (ftp != null && ftp.isConnected()) {
            try {
                log("disconnecting", Project.MSG_VERBOSE);
                ftp.logout();
                ftp.disconnect();
            } catch (IOException ex) {
                // ignore it
            }
        }
    }
}