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

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

Introduction

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

Prototype

public String getReplyString() 

Source Link

Document

Returns the entire text of the last FTP server response exactly as it was received, including all end of line markers in NETASCII format.

Usage

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

/**
 * Checks to see if the remote file is current as compared with the local
 * file. Returns true if the target file is up to date.
 * @param ftp ftpclient//from   ww w.  j  a va 2s. c o m
 * @param localFile local file
 * @param remoteFile remote file
 * @return true if the target file is up to date
 * @throws IOException  in unknown circumstances
 * @throws BuildException if the date of the remote files cannot be found and the action is
 * GET_FILES
 */
protected boolean isUpToDate(FTPClient ftp, File localFile, String remoteFile)
        throws IOException, BuildException {
    task.log("checking date for " + remoteFile, Project.MSG_VERBOSE);

    FTPFile[] files = ftp.listFiles(remoteFile);

    // For Microsoft's Ftp-Service an Array with length 0 is
    // returned if configured to return listings in "MS-DOS"-Format
    if (files == null || files.length == 0) {
        // If we are sending files, then assume out of date.
        // If we are getting files, then throw an error

        if (task.getAction() == FTPTask.SEND_FILES) {
            task.log("Could not date test remote file: " + remoteFile + "assuming out of date.",
                    Project.MSG_VERBOSE);
            return false;
        } else {
            throw new BuildException("could not date test remote file: " + ftp.getReplyString());
        }
    }

    long remoteTimestamp = files[0].getTimestamp().getTime().getTime();
    long localTimestamp = localFile.lastModified();
    long adjustedRemoteTimestamp = remoteTimestamp + task.getTimeDiffMillis() + task.getGranularityMillis();

    StringBuffer msg;
    synchronized (TIMESTAMP_LOGGING_SDF) {
        msg = new StringBuffer("   [").append(TIMESTAMP_LOGGING_SDF.format(new Date(localTimestamp)))
                .append("] local");
    }
    task.log(msg.toString(), Project.MSG_VERBOSE);

    synchronized (TIMESTAMP_LOGGING_SDF) {
        msg = new StringBuffer("   [").append(TIMESTAMP_LOGGING_SDF.format(new Date(adjustedRemoteTimestamp)))
                .append("] remote");
    }
    if (remoteTimestamp != adjustedRemoteTimestamp) {
        synchronized (TIMESTAMP_LOGGING_SDF) {
            msg.append(" - (raw: ").append(TIMESTAMP_LOGGING_SDF.format(new Date(remoteTimestamp))).append(")");
        }
    }
    task.log(msg.toString(), Project.MSG_VERBOSE);

    if (task.getAction() == FTPTask.SEND_FILES) {
        return adjustedRemoteTimestamp >= localTimestamp;
    } else {
        return localTimestamp >= adjustedRemoteTimestamp;
    }
}

From source file:org.apache.tools.ant.taskdefs.optional.net.FTPTaskMirrorImpl.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  w  w. j ava2  s.co  m
 * @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 = task.getProject().resolveFile(new File(dir, filename).getPath());

        if (task.isNewer() && isUpToDate(ftp, file, resolveFile(filename))) {
            return;
        }

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

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

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

/**
 * Delete a file from the remote host.//  w  w w  . j  a v a2s.co m
 * @param ftp ftp client
 * @param filename file to delete
 * @throws IOException  in unknown circumstances
 * @throws BuildException if skipFailedTransfers is set to false
 * and the deletion could not be done
 */
protected void delFile(FTPClient ftp, String filename) throws IOException, BuildException {
    if (task.isVerbose()) {
        task.log("deleting " + filename);
    }

    if (!ftp.deleteFile(resolveFile(filename))) {
        String s = "could not delete file: " + ftp.getReplyString();

        if (task.isSkipFailedTransfers()) {
            task.log(s, Project.MSG_WARN);
            skipped++;
        } else {
            throw new BuildException(s);
        }
    } else {
        task.log("File " + filename + " deleted from " + task.getServer(), Project.MSG_VERBOSE);
        transferred++;
    }
}

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

/**
 * Delete a directory, if empty, from the remote host.
 * @param ftp ftp client//w ww.j  a va 2 s .co m
 * @param dirname directory to delete
 * @throws IOException  in unknown circumstances
 * @throws BuildException if skipFailedTransfers is set to false
 * and the deletion could not be done
 */
protected void rmDir(FTPClient ftp, String dirname) throws IOException, BuildException {
    if (task.isVerbose()) {
        task.log("removing " + dirname);
    }

    if (!ftp.removeDirectory(resolveFile(dirname))) {
        String s = "could not remove directory: " + ftp.getReplyString();

        if (task.isSkipFailedTransfers()) {
            task.log(s, Project.MSG_WARN);
            skipped++;
        } else {
            throw new BuildException(s);
        }
    } else {
        task.log("Directory " + dirname + " removed from " + task.getServer(), Project.MSG_VERBOSE);
        transferred++;
    }
}

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

/**
 * Retrieve a single file from the remote host. <code>filename</code> may
 * contain a relative path specification. <p>
 *
 * The file will then be retreived 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.</p>//ww  w.  j a va2s  .c  o  m
 * @param ftp the ftp client
 * @param dir local base directory to which the file should go back
 * @param filename relative path of the file based upon the ftp remote directory
 *        and/or the local base directory (dir)
 * @throws IOException  in unknown circumstances
 * @throws BuildException if skipFailedTransfers is false
 * and the file cannot be retrieved.
 */
protected void getFile(FTPClient ftp, String dir, String filename) throws IOException, BuildException {
    OutputStream outstream = null;
    try {
        File file = task.getProject().resolveFile(new File(dir, filename).getPath());

        if (task.isNewer() && isUpToDate(ftp, file, resolveFile(filename))) {
            return;
        }

        if (task.isVerbose()) {
            task.log("transferring " + filename + " to " + file.getAbsolutePath());
        }

        File pdir = file.getParentFile();

        if (!pdir.exists()) {
            pdir.mkdirs();
        }
        outstream = new BufferedOutputStream(new FileOutputStream(file));
        ftp.retrieveFile(resolveFile(filename), outstream);

        if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
            String s = "could not get file: " + ftp.getReplyString();

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

        } else {
            task.log("File " + file.getAbsolutePath() + " copied from " + task.getServer(),
                    Project.MSG_VERBOSE);
            transferred++;
            if (task.isPreserveLastModified()) {
                outstream.close();
                outstream = null;
                FTPFile[] remote = ftp.listFiles(resolveFile(filename));
                if (remote.length > 0) {
                    FILE_UTILS.setFileLastModified(file, remote[0].getTimestamp().getTime().getTime());
                }
            }
        }
    } finally {
        FileUtils.close(outstream);
    }
}

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

/**
 * Create the specified directory on the remote host.
 *
 * @param ftp The FTP client connection/*from  w ww  .  j  av  a 2  s  . c  o m*/
 * @param dir The directory to create (format must be correct for host
 *      type)
 * @throws IOException  in unknown circumstances
 * @throws BuildException if ignoreNoncriticalErrors has not been set to true
 *         and a directory could not be created, for instance because it was
 *         already existing. Precisely, the codes 521, 550 and 553 will trigger
 *         a BuildException
 */
protected void makeRemoteDir(FTPClient ftp, String dir) throws IOException, BuildException {
    String workingDirectory = ftp.printWorkingDirectory();
    if (task.isVerbose()) {
        if (dir.startsWith("/") || workingDirectory == null) {
            task.log("Creating directory: " + dir + " in /");
        } else {
            task.log("Creating directory: " + dir + " in " + workingDirectory);
        }
    }
    if (dir.startsWith("/")) {
        ftp.changeWorkingDirectory("/");
    }
    String subdir = "";
    StringTokenizer st = new StringTokenizer(dir, "/");
    while (st.hasMoreTokens()) {
        subdir = st.nextToken();
        task.log("Checking " + subdir, Project.MSG_DEBUG);
        if (!ftp.changeWorkingDirectory(subdir)) {
            if (!ftp.makeDirectory(subdir)) {
                // codes 521, 550 and 553 can be produced by FTP Servers
                //  to indicate that an attempt to create a directory has
                //  failed because the directory already exists.
                int rc = ftp.getReplyCode();
                if (!(task.isIgnoreNoncriticalErrors()
                        && (rc == CODE_550 || rc == CODE_553 || rc == CODE_521))) {
                    throw new BuildException("could not create directory: " + ftp.getReplyString());
                }
                if (task.isVerbose()) {
                    task.log("Directory already exists");
                }
            } else {
                if (task.isVerbose()) {
                    task.log("Directory created OK");
                }
                ftp.changeWorkingDirectory(subdir);
            }
        }
    }
    if (workingDirectory != null) {
        ftp.changeWorkingDirectory(workingDirectory);
    }
}

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

/**
 * look at the response for a failed mkdir action, decide whether
 * it matters or not. If it does, we throw an exception
 * @param ftp current ftp connection/*  w ww  .jav a 2 s  . c o  m*/
 * @throws BuildException if this is an error to signal
 */
private void handleMkDirFailure(FTPClient ftp) throws BuildException {
    int rc = ftp.getReplyCode();
    if (!(task.isIgnoreNoncriticalErrors() && (rc == CODE_550 || rc == CODE_553 || rc == CODE_521))) {
        throw new BuildException("could not create directory: " + ftp.getReplyString());
    }
}

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

public void doFTP() throws BuildException {
    FTPClient ftp = null;

    try {/*from www.j a  v  a  2  s .  co m*/
        task.log("Opening FTP connection to " + task.getServer(), Project.MSG_VERBOSE);

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

        ftp.setRemoteVerificationEnabled(task.getEnableRemoteVerification());
        ftp.connect(task.getServer(), task.getPort());
        if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
            throw new BuildException("FTP connection failed: " + ftp.getReplyString());
        }

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

        if ((task.getAccount() != null && !ftp.login(task.getUserid(), task.getPassword(), task.getAccount()))
                || (task.getAccount() == null && !ftp.login(task.getUserid(), task.getPassword()))) {
            throw new BuildException("Could not login to FTP server");
        }

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

        if (task.isBinary()) {
            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 (task.isPassive()) {
            task.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 (task.getInitialSiteCommand() != null) {
            RetryHandler h = new RetryHandler(task.getRetriesAllowed(), task);
            final FTPClient lftp = ftp;
            executeRetryable(h, new Retryable() {
                public void execute() throws IOException {
                    doSiteCommand(lftp, task.getInitialSiteCommand());
                }
            }, "initial site command: " + task.getInitialSiteCommand());
        }

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

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

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

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

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

From source file:org.apache.tools.ant.taskdefs.optional.net2.FTP2.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 a2s  .  c  o m*/
 * @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))) {
            if (verbose)
                log("No need to transfer " + filename + " (" + file.getAbsolutePath() + " is up-to-date)");
            return;
        }

        if (verbose) {

            // Fix for an obvious bug in ANT 1.8.4:
            //              log("transferring " + filename + " to " + file.getAbsolutePath());
            log("transferring " + file.getAbsolutePath() + " to " + filename);
        }

        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.net2.FTP2.java

/**
 * Runs the task./* ww  w .j av  a  2  s. c  om*/
 *
 * @throws BuildException if the task fails or is not configured
 *         correctly.
 */
@Override
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);

        if (this.proxyServer != null) {

            // Connect through an FTP proxy.

            // Get FTP proxy credentials (optional).
            String proxyUserId;
            char[] proxyPassword;
            {
                PasswordAuthentication pa = FTP2.getPasswordAuthentication(this.proxyServer, this.proxyPort,
                        this.proxyUserid, this.proxyPassword, RequestorType.PROXY);
                if (pa == null) {
                    proxyUserId = null;
                    proxyPassword = null;
                } else {
                    proxyUserId = pa.getUserName();
                    if (proxyUserId == null)
                        throw new BuildException("Proxy user ID missing");
                    proxyPassword = pa.getPassword();
                    if (proxyPassword == null)
                        throw new BuildException("Proxy password missing");
                }
            }

            // Get remote FTP server credentials (mandatory).
            String serverUserId;
            char[] serverPassword;
            {
                PasswordAuthentication pa = FTP2.getPasswordAuthentication(this.server, this.port, this.userid,
                        this.password, RequestorType.SERVER);
                if (pa == null)
                    throw new BuildException("User ID and password missing");
                serverUserId = pa.getUserName();
                if (serverUserId == null)
                    throw new BuildException("User ID missing");
                serverPassword = pa.getPassword();
                if (serverPassword == null)
                    throw new BuildException("Password missing");
            }

            // Connect to the FTP proxy.
            this.log("Opening FTP connection to proxy server \"" + this.proxyServer + "\" on port "
                    + this.proxyPort, Project.MSG_VERBOSE);
            ftp.connect(this.proxyServer, this.proxyPort);
            if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                throw new BuildException("FTP connection to proxy server failed: " + ftp.getReplyString());
            }
            this.log("connected to proxy server", Project.MSG_VERBOSE);

            // Authenticate with the FTP proxy (optional).
            if (proxyUserId != null) {
                this.log("logging in to FTP proxy server", Project.MSG_VERBOSE);
                if (!ftp.login(proxyUserId, new String(proxyPassword))) {
                    throw new BuildException("Could not login to FTP proxy server");
                }
            }

            // Log in to the remote FTP server.
            this.log("logging in to FTP server", Project.MSG_VERBOSE);
            String userid2 = serverUserId + '@' + this.server;
            if (this.port != FTP2.DEFAULT_FTP_PORT)
                userid2 += ":" + this.port;
            if (this.account == null ? !ftp.login(userid2, new String(serverPassword))
                    : !ftp.login(userid2, new String(serverPassword), this.account))
                throw new BuildException("Could not login to FTP server");
            this.log("login succeeded", Project.MSG_VERBOSE);
        } else {

            // Direct connection to remote FTP server.

            // Get remote FTP server credentials (mandatory).
            String serverUserId;
            char[] serverPassword;
            {
                PasswordAuthentication pa = FTP2.getPasswordAuthentication(this.server, this.port, this.userid,
                        this.password, RequestorType.SERVER);
                if (pa == null)
                    throw new BuildException("User ID and password missing");
                serverUserId = pa.getUserName();
                if (serverUserId == null)
                    throw new BuildException("User ID missing");
                serverPassword = pa.getPassword();
                if (serverPassword == null)
                    throw new BuildException("Password missing");
            }

            // Connect to the remote FTP server.
            this.log("Opening FTP connection to " + this.server, Project.MSG_VERBOSE);
            ftp.connect(this.server, this.port);
            if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                throw new BuildException("FTP connection failed: " + ftp.getReplyString());
            }
            this.log("connected", Project.MSG_VERBOSE);

            // Log in to the remote FTP server.
            this.log("logging in to FTP server", Project.MSG_VERBOSE);
            if (this.account == null ? !ftp.login(serverUserId, new String(serverPassword))
                    : !ftp.login(serverUserId, new String(serverPassword), this.account))
                throw new BuildException("Could not login to FTP server");
            this.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() {
                @Override
                public void execute() throws IOException {
                    doSiteCommand(lftp, FTP2.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() {
                @Override
                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() {
                @Override
                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() {
                @Override
                public void execute() throws IOException {
                    doSiteCommand(lftp, FTP2.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
            }
        }
    }
}