List of usage examples for org.apache.commons.net.ftp FTPClient enterLocalPassiveMode
public void enterLocalPassiveMode()
PASSIVE_LOCAL_DATA_CONNECTION_MODE . From source file:org.apache.tools.ant.taskdefs.optional.net2.FTP2.java
/** * Runs the task./*from ww w . j a v a2 s. co m*/ * * @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 } } } }
From source file:org.blue.star.plugins.check_ftp.java
public boolean execute_check() { /* Declare variables */ FTPClient ftp = new FTPClient(); File filename = null;/*w w w. j a v a 2 s . co 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.codice.alliance.nsili.source.NsiliSource.java
/** * Uses FTPClient to obtain the IOR string from the provided URL via FTP. *///w ww.j a v a 2 s. co m private void getIorStringFromFtpSource() { URI uri = null; try { uri = new URI(iorUrl); } catch (URISyntaxException e) { LOGGER.error("{} : Invalid URL specified for IOR string: {} {}", id, iorUrl, e.getMessage()); LOGGER.debug("{} : Invalid URL specified for IOR string: {}", id, iorUrl, e); } FTPClient ftpClient = new FTPClient(); try { if (uri.getPort() > 0) { ftpClient.connect(uri.getHost(), uri.getPort()); } else { ftpClient.connect(uri.getHost()); } if (!ftpClient.login(serverUsername, serverPassword)) { LOGGER.error("{} : FTP server log in unsuccessful.", id); } else { int timeoutMsec = clientTimeout * 1000; ftpClient.setConnectTimeout(timeoutMsec); ftpClient.setControlKeepAliveReplyTimeout(timeoutMsec); ftpClient.setDataTimeout(timeoutMsec); ftpClient.enterLocalPassiveMode(); ftpClient.setFileType(FTP.BINARY_FILE_TYPE); InputStream inputStream = ftpClient.retrieveFileStream(uri.getPath()); iorString = IOUtils.toString(inputStream, StandardCharsets.ISO_8859_1.name()); //Remove leading/trailing whitespace as the CORBA init can't handle that. iorString = iorString.trim(); } } catch (Exception e) { LOGGER.warn("{} : Error retrieving IOR file for {}. {}", id, iorUrl, e.getMessage()); LOGGER.debug("{} : Error retrieving IOR file for {}.", id, iorUrl, e); } }
From source file:org.ecoinformatics.datamanager.download.DownloadHandler.java
/** * Gets content from given source and writes it to DataStorageInterface * to store them. This method will be called by run() * //from w w w .j a va2 s .c om * @param resourceName the URL to the source data to be retrieved */ protected boolean getContentFromSource(String resourceName) { boolean successFlag = false; QualityCheck onlineURLsQualityCheck = null; boolean onlineURLsException = false; // used to determine status of onlineURLs quality check if (resourceName != null) { resourceName = resourceName.trim(); } if (resourceName != null && (resourceName.startsWith("http://") || resourceName.startsWith("https://") || resourceName.startsWith("file://") || resourceName.startsWith("ftp://"))) { // get the data from a URL int responseCode = 0; String responseMessage = null; try { URL url = new URL(resourceName); boolean isFTP = false; if (entity != null) { String contentType = null; // Find the right MIME type and set it as content type if (resourceName.startsWith("http")) { HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection(); httpURLConnection.setRequestMethod("HEAD"); httpURLConnection.connect(); contentType = httpURLConnection.getContentType(); responseCode = httpURLConnection.getResponseCode(); responseMessage = httpURLConnection.getResponseMessage(); } else if (resourceName.startsWith("file")) { URLConnection urlConnection = url.openConnection(); urlConnection.connect(); contentType = urlConnection.getContentType(); } else { // FTP isFTP = true; contentType = "application/octet-stream"; } entity.setUrlContentType(contentType); } if (!isFTP) { // HTTP(S) or FILE InputStream filestream = url.openStream(); try { successFlag = this.writeRemoteInputStreamIntoDataStorage(filestream); } catch (IOException e) { exception = e; String errorMessage = e.getMessage(); if (errorMessage.startsWith(ONLINE_URLS_EXCEPTION_MESSAGE)) { onlineURLsException = true; } } finally { filestream.close(); } } else { // FTP String[] urlParts = resourceName.split("/"); String address = urlParts[2]; String dir = "/"; for (int i = 3; i < urlParts.length - 1; i++) { dir += urlParts[i] + "/"; } String fileName = urlParts[urlParts.length - 1]; FTPClient ftpClient = new FTPClient(); ftpClient.connect(address); ftpClient.login(ANONYMOUS, anonymousFtpPasswd); ftpClient.changeWorkingDirectory(dir); ftpClient.setFileType(FTP.BINARY_FILE_TYPE); ftpClient.enterLocalPassiveMode(); // necessary to avoid firewall blocking InputStream filestream = ftpClient.retrieveFileStream(fileName); try { successFlag = this.writeRemoteInputStreamIntoDataStorage(filestream); } catch (IOException e) { exception = e; String errorMessage = e.getMessage(); if (errorMessage.startsWith(ONLINE_URLS_EXCEPTION_MESSAGE)) { onlineURLsException = true; } } finally { try { filestream.close(); } catch (IOException e) { exception = new DataSourceNotFoundException(String .format("Error closing local file '%s': %s", resourceName, e.getMessage())); onlineURLsException = true; } } // logout and disconnect if FTP session if (resourceName.startsWith("ftp") && ftpClient != null) { try { ftpClient.enterLocalActiveMode(); ftpClient.logout(); ftpClient.disconnect(); } catch (IOException e) { exception = new DataSourceNotFoundException( String.format("Error disconnecting from FTP with resource '%s': %s", resourceName, e.getMessage())); onlineURLsException = true; } } } } catch (MalformedURLException e) { String eClassName = e.getClass().getName(); String eMessage = String.format("%s: %s", eClassName, e.getMessage()); exception = new DataSourceNotFoundException( String.format("The URL '%s' is a malformed URL: %s", resourceName, eMessage)); } catch (IOException e) { String eClassName = e.getClass().getName(); String eMessage = String.format("%s: %s", eClassName, e.getMessage()); if (responseCode > 0) { eMessage = String.format("Response Code: %d %s; %s", responseCode, responseMessage, eMessage); } exception = new DataSourceNotFoundException( String.format("The URL '%s' is not reachable: %s", resourceName, eMessage)); } // Initialize the "Online URLs are live" quality check String qualityCheckIdentifier = "onlineURLs"; QualityCheck qualityCheckTemplate = QualityReport.getQualityCheckTemplate(qualityCheckIdentifier); onlineURLsQualityCheck = new QualityCheck(qualityCheckIdentifier, qualityCheckTemplate); if (QualityCheck.shouldRunQualityCheck(entity, onlineURLsQualityCheck)) { String resourceNameEscaped = embedInCDATA(resourceName); if (!onlineURLsException) { onlineURLsQualityCheck.setStatus(Status.valid); onlineURLsQualityCheck.setFound("true"); onlineURLsQualityCheck.setExplanation("Succeeded in accessing URL: " + resourceNameEscaped); } else { onlineURLsQualityCheck.setFailedStatus(); onlineURLsQualityCheck.setFound("false"); String explanation = "Failed to access URL: " + resourceNameEscaped; explanation = explanation + "; " + embedInCDATA(exception.getMessage()); onlineURLsQualityCheck.setExplanation(explanation); } entity.addQualityCheck(onlineURLsQualityCheck); } return successFlag; } else if (resourceName != null && resourceName.startsWith("ecogrid://")) { // get the docid from url int start = resourceName.indexOf("/", 11) + 1; //log.debug("start: " + start); int end = resourceName.indexOf("/", start); if (end == -1) { end = resourceName.length(); } //log.debug("end: " + end); String ecogridIdentifier = resourceName.substring(start, end); // pass this docid and get data item //System.out.println("the endpoint is "+ECOGRIDENDPOINT); //System.out.println("The identifier is "+ecogridIdentifier); //return false; return getContentFromEcoGridSource(ecogridEndPoint, ecogridIdentifier); } else if (resourceName != null && resourceName.startsWith("srb://")) { // get srb docid from the url String srbIdentifier = transformSRBurlToDocid(resourceName); // reset endpoint for srb (This is hack we need to figure ou // elegent way to do this //mEndPoint = Config.getValue("//ecogridService/srb/endPoint"); // pass this docid and get data item //log.debug("before get srb data"); return getContentFromEcoGridSource(SRBENDPOINT, srbIdentifier); } else { successFlag = false; return successFlag; } }
From source file:org.fabric3.binding.ftp.runtime.FtpTargetInterceptor.java
public Message invoke(Message msg) { FTPClient ftpClient = new FTPClient(); ftpClient.setSocketFactory(factory); try {//from www. j av a 2 s . co m if (timeout > 0) { ftpClient.setDefaultTimeout(timeout); ftpClient.setDataTimeout(timeout); } monitor.onConnect(hostAddress, port); ftpClient.connect(hostAddress, port); monitor.onResponse(ftpClient.getReplyString()); String type = msg.getWorkContext().getHeader(String.class, FtpConstants.HEADER_CONTENT_TYPE); if (type != null && type.equalsIgnoreCase(FtpConstants.BINARY_TYPE)) { monitor.onCommand("TYPE I"); ftpClient.setFileType(FTP.BINARY_FILE_TYPE); monitor.onResponse(ftpClient.getReplyString()); } else if (type != null && type.equalsIgnoreCase(FtpConstants.TEXT_TYPE)) { monitor.onCommand("TYPE A"); ftpClient.setFileType(FTP.ASCII_FILE_TYPE); monitor.onResponse(ftpClient.getReplyString()); } /*if (!ftpClient.login(security.getUser(), security.getPassword())) { throw new ServiceUnavailableException("Invalid credentials"); }*/ // TODO Fix above monitor.onAuthenticate(); ftpClient.login(security.getUser(), security.getPassword()); monitor.onResponse(ftpClient.getReplyString()); Object[] args = (Object[]) msg.getBody(); String fileName = (String) args[0]; String remoteFileLocation = fileName; InputStream data = (InputStream) args[1]; if (active) { monitor.onCommand("ACTV"); ftpClient.enterLocalActiveMode(); monitor.onResponse(ftpClient.getReplyString()); } else { monitor.onCommand("PASV"); ftpClient.enterLocalPassiveMode(); monitor.onResponse(ftpClient.getReplyString()); } if (commands != null) { for (String command : commands) { monitor.onCommand(command); ftpClient.sendCommand(command); monitor.onResponse(ftpClient.getReplyString()); } } if (remotePath != null && remotePath.length() > 0) { remoteFileLocation = remotePath.endsWith("/") ? remotePath + fileName : remotePath + "/" + fileName; } String remoteTmpFileLocation = remoteFileLocation; if (tmpFileSuffix != null && tmpFileSuffix.length() > 0) { remoteTmpFileLocation += tmpFileSuffix; } monitor.onCommand("STOR " + remoteFileLocation); if (!ftpClient.storeFile(remoteTmpFileLocation, data)) { throw new ServiceUnavailableException("Unable to upload data. Response sent from server: " + ftpClient.getReplyString() + " ,remoteFileLocation:" + remoteFileLocation); } monitor.onResponse(ftpClient.getReplyString()); //Rename file back to original name if temporary file suffix was used while transmission. if (!remoteTmpFileLocation.equals(remoteFileLocation)) { ftpClient.rename(remoteTmpFileLocation, remoteFileLocation); } } catch (IOException e) { throw new ServiceUnavailableException(e); } // reset the message to return an empty response msg.reset(); return msg; }
From source file:org.fabric3.transport.ftp.server.host.F3FtpHostTest.java
public void testStor() throws IOException { FTPClient ftpClient = new FTPClient(); ftpClient.connect(InetAddress.getLocalHost(), 1234); ftpClient.user("user"); ftpClient.pass("password"); ftpClient.enterLocalPassiveMode(); ftpClient.storeFile("/resource/test.dat", new ByteArrayInputStream("TEST\r\n".getBytes())); }
From source file:org.gitools.datasources.obo.OBOStream.java
public OBOStream(URL baseUrl) throws IOException { this.baseUrl = baseUrl; // Workaround for FTP problem connecting ftp.geneontology.org with URL.openStream() if (baseUrl.getProtocol().equalsIgnoreCase("ftp")) { FTPClient ftp = new FTPClient(); if (baseUrl.getPort() != -1) { ftp.connect(baseUrl.getHost(), baseUrl.getPort()); } else {//from ww w .j a va 2 s.co m ftp.connect(baseUrl.getHost()); } ftp.login("anonymous", ""); ftp.enterLocalPassiveMode(); ftp.setControlKeepAliveTimeout(60); InputStream is = ftp.retrieveFileStream(baseUrl.getPath()); this.reader = new BufferedReader(new InputStreamReader(is)); } else { this.reader = new BufferedReader(new InputStreamReader(baseUrl.openStream())); } this.linePos = 0; }
From source file:org.jason.mapmaker.server.service.ShapefileMetadataServiceImpl.java
private List<String> getRemoteFilenames(String url, String directory) { FTPClient ftp = new FTPClient(); List<String> filenameList = new ArrayList<String>(); try {/* w w w . ja va 2 s . c o m*/ int reply; ftp.connect(url); reply = ftp.getReplyCode(); if (!FTPReply.isPositiveCompletion(reply)) { ftp.disconnect(); System.out.println("FTP connection failed for " + url); } ftp.enterLocalPassiveMode(); ftp.login("anonymous", ""); FTPFile[] files = ftp.listFiles(directory); for (FTPFile f : files) { filenameList.add(f.getName()); } ftp.logout(); } catch (IOException ex) { ex.printStackTrace(); } return filenameList; }
From source file:org.jnode.protocol.ftp.FTPURLConnection.java
/** * @see java.net.URLConnection#getInputStream() *//*from w w w . j a va 2 s. c o m*/ public InputStream getInputStream() throws IOException { FTPClient client = new FTPClient(); client.connect(host); String replyString = client.getReplyString(); int replyCode = client.getReplyCode(); if (!FTPReply.isPositiveCompletion(replyCode)) { client.disconnect(); throw new IOException(replyString); } if (!client.login(username, password)) { replyString = client.getReplyString(); client.logout(); throw new IOException(replyString); } client.setFileType(FTP.BINARY_FILE_TYPE); client.enterLocalPassiveMode(); final ByteArrayOutputStream os = new ByteArrayOutputStream(); try { client.retrieveFile(path, os); client.logout(); } finally { client.disconnect(); } return new ByteArrayInputStream(os.toByteArray()); }
From source file:org.jumpmind.metl.core.runtime.resource.FtpDirectory.java
protected FTPClient createClient() { FTPClient ftpClient = new FTPClient(); FTPClientConfig config = new FTPClientConfig(); ftpClient.configure(config);/*from ww w . j a v a2 s . c o m*/ if (connectTimeout != null) { ftpClient.setConnectTimeout(connectTimeout); } try { if (port != null) { ftpClient.connect(hostname, port); } else { ftpClient.connect(hostname); } int reply = ftpClient.getReplyCode(); if (!FTPReply.isPositiveCompletion(reply)) { throw new RuntimeException( String.format("Failed to connect to %s. Recevied a reply code of %d", hostname, reply)); } if (isNotBlank(username)) { if (!ftpClient.login(username, password)) { throw new AuthenticationException(); } } ftpClient.setFileType(FTP.BINARY_FILE_TYPE); ftpClient.enterLocalPassiveMode(); if (isNotBlank(basePath)) { ftpClient.changeWorkingDirectory(basePath); } return ftpClient; } catch (Exception e) { close(); if (e instanceof RuntimeException) { throw (RuntimeException) e; } else { throw new IoException(e); } } }