List of usage examples for org.apache.commons.net.ftp FTPClient isConnected
public boolean isConnected()
From source file:org.blue.star.plugins.check_ftp.java
public boolean execute_check() { /* Declare variables */ FTPClient ftp = new FTPClient(); File filename = null;/*from w w 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.covito.kit.file.support.FtpFileServiceImpl.java
/** * /*from ww w.j a v a 2 s . c o m*/ * <p> * ?? * </p> * * @author covito * @param ftp */ protected void close(FTPClient ftp) { try { ftp.logout(); if (ftp.isConnected()) { ftp.disconnect(); } } catch (IOException e) { e.printStackTrace(); } }
From source file:org.eclipse.datatools.connectivity.sample.ftp.internal.FtpContentProvider.java
public Object[] getChildren(Object parent) { try {//from ww w .j av a 2s.c o m if (parent instanceof FTPClientObject) { FTPClient ftpClient = ((FTPClientObject) parent).getFtpClient(); if (ftpClient.isConnected()) { FTPListParseEngine engine = ftpClient.initiateListParsing(); FTPFile[] files = engine.getFiles(); return FTPFileObject.convert(parent, ((FTPClientObject) parent).getProfile(), files); } } else if (parent instanceof FTPFileObject) { FTPFile ftpFile = ((FTPFileObject) parent).getFTPFile(); FTPClient ftpClient = getFTPClient(parent); if (ftpFile.isDirectory() && ftpClient.isConnected()) { FTPListParseEngine engine = ftpClient.initiateListParsing(getDirectory((FTPFileObject) parent)); FTPFile[] files = engine.getFiles(); return FTPFileObject.convert(parent, ((FTPFileObject) parent).getProfile(), files); } } } catch (Exception e) { e.printStackTrace(); FTPClient ftpClient = getFTPClient(parent); try { if (ftpClient != null) ftpClient.disconnect(); } catch (Exception ex) { } } return new Object[0]; }
From source file:org.gogpsproject.parser.rinex.RinexNavigation.java
private RinexNavigationParser getFromFTP(String url) throws IOException { RinexNavigationParser rnp = null;//from ww w. j a 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 ww. ja v a2 s . com 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.jboss.ejb3.examples.ch06.filetransfer.FileTransferBean.java
/** * Called by the container when the instance is about to be passivated or brought * out of service entirely.//from ww w.jav a 2 s. c om * * @see org.jboss.ejb3.examples.ch06.filetransfer.FileTransferCommonBusiness#disconnect() */ @PrePassivate @PreDestroy @Override public void disconnect() { // Obtain FTP Client final FTPClient client = this.getClient(); // If exists if (client != null) { // If connected if (client.isConnected()) { // Logout try { client.logout(); log.info("Logged out of: " + client); } catch (final IOException ioe) { log.warning("Exception encountered in logging out of the FTP client: " + ioe.getMessage()); } // Disconnect try { log.fine("Disconnecting: " + client); client.disconnect(); log.info("Disconnected: " + client); } catch (final IOException ioe) { log.warning("Exception encountered in disconnecting the FTP client: " + ioe.getMessage()); } // Null out the client so it's not serialized this.client = null; } } }
From source file:org.jboss.ejb3.examples.ch06.filetransfer.FileTransferBean.java
/** * Called by the container when the instance has been created or re-activated * (brought out of passivated state). Will construct the underlying FTP Client * and open all appropriate connections. * * @see org.jboss.ejb3.examples.ch06.filetransfer.FileTransferCommonBusiness#connect() *///from w ww . j a v a 2 s . co m @PostConstruct @PostActivate @Override public void connect() throws IllegalStateException, FileTransferException { /* * Precondition checks */ final FTPClient clientBefore = this.getClient(); if (clientBefore != null && clientBefore.isConnected()) { throw new IllegalStateException("FTP Client is already initialized"); } // Get the connection properties final String connectHost = this.getConnectHost(); final int connectPort = this.getConnectPort(); // Create the client final FTPClient client = new FTPClient(); final String canonicalServerName = connectHost + ":" + connectPort; log.fine("Connecting to FTP Server at " + canonicalServerName); try { client.connect(connectHost, connectPort); } catch (final IOException ioe) { throw new FileTransferException("Error in connecting to " + canonicalServerName, ioe); } // Set log.info("Connected to FTP Server at: " + canonicalServerName); this.setClient(client); // Check that the last operation succeeded this.checkLastOperation(); try { // Login client.login("user", "password"); // Check that the last operation succeeded this.checkLastOperation(); } catch (final Exception e) { throw new FileTransferException("Could not log in", e); } // If there's a pwd defined, cd into it. final String pwd = this.getPresentWorkingDirectory(); if (pwd != null) { this.cd(pwd); } }
From source file:org.kuali.kfs.module.cg.service.impl.CfdaServiceImpl.java
/** * @return//from ww w .java2 s .c o m * @throws IOException */ public SortedMap<String, CFDA> getGovCodes() throws IOException { Calendar calendar = dateTimeService.getCurrentCalendar(); SortedMap<String, CFDA> govMap = new TreeMap<String, CFDA>(); // ftp://ftp.cfda.gov/programs09187.csv String govURL = parameterService.getParameterValueAsString(CfdaBatchStep.class, KFSConstants.SOURCE_URL_PARAMETER); String fileName = StringUtils.substringAfterLast(govURL, "/"); govURL = StringUtils.substringBeforeLast(govURL, "/"); if (StringUtils.contains(govURL, "ftp://")) { govURL = StringUtils.remove(govURL, "ftp://"); } // need to pull off the '20' in 2009 String year = "" + calendar.get(Calendar.YEAR); year = year.substring(2, 4); fileName = fileName + year; // the last 3 numbers in the file name are the day of the year, but the files are from "yesterday" fileName = fileName + String.format("%03d", calendar.get(Calendar.DAY_OF_YEAR) - 1); fileName = fileName + ".csv"; LOG.info("Getting government file: " + fileName + " for update"); InputStream inputStream = null; FTPClient ftp = new FTPClient(); try { ftp.connect(govURL); int reply = ftp.getReplyCode(); if (!FTPReply.isPositiveCompletion(reply)) { LOG.error("FTP connection to server not established."); throw new IOException("FTP connection to server not established."); } boolean isLoggedIn = ftp.login("anonymous", ""); if (!isLoggedIn) { LOG.error("Could not login as anonymous."); throw new IOException("Could not login as anonymous."); } LOG.info("Successfully connected and logged in"); ftp.enterLocalPassiveMode(); inputStream = ftp.retrieveFileStream(fileName); if (inputStream != null) { LOG.info("reading input stream"); InputStreamReader screenReader = new InputStreamReader(inputStream); BufferedReader screen = new BufferedReader(screenReader); CSVReader csvReader = new CSVReader(screenReader, ',', '"', 1); List<String[]> lines = csvReader.readAll(); for (String[] line : lines) { String title = line[0]; String number = line[1]; CFDA cfda = new CFDA(); cfda.setCfdaNumber(number); cfda.setCfdaProgramTitleName(title); govMap.put(number, cfda); } } ftp.logout(); ftp.disconnect(); } finally { if (ftp.isConnected()) { ftp.disconnect(); } } return govMap; }
From source file:org.kuali.kra.external.Cfda.service.impl.CfdaServiceImpl.java
/** * This method disconnects from server.//w ww . j ava2 s. c om * @param ftp * @throws IOException */ public void disconnect(FTPClient ftp) throws IOException { ftp.logout(); if (ftp.isConnected()) { ftp.disconnect(); } }
From source file:org.kuali.ole.coa.service.impl.CfdaServiceImpl.java
/** * @return/*from w w w. j a v a 2s . com*/ * @throws IOException */ public SortedMap<String, CFDA> getGovCodes() throws IOException { Calendar calendar = SpringContext.getBean(DateTimeService.class).getCurrentCalendar(); SortedMap<String, CFDA> govMap = new TreeMap<String, CFDA>(); // ftp://ftp.cfda.gov/programs09187.csv String govURL = SpringContext.getBean(ParameterService.class).getParameterValueAsString(CfdaBatchStep.class, OLEConstants.SOURCE_URL_PARAMETER); String fileName = StringUtils.substringAfterLast(govURL, "/"); govURL = StringUtils.substringBeforeLast(govURL, "/"); if (StringUtils.contains(govURL, "ftp://")) { govURL = StringUtils.remove(govURL, "ftp://"); } // need to pull off the '20' in 2009 String year = "" + calendar.get(Calendar.YEAR); year = year.substring(2, 4); fileName = fileName + year; // the last 3 numbers in the file name are the day of the year, but the files are from "yesterday" fileName = fileName + String.format("%03d", calendar.get(Calendar.DAY_OF_YEAR) - 1); fileName = fileName + ".csv"; LOG.info("Getting government file: " + fileName + " for update"); InputStream inputStream = null; FTPClient ftp = new FTPClient(); try { ftp.connect(govURL); int reply = ftp.getReplyCode(); if (!FTPReply.isPositiveCompletion(reply)) { LOG.error("FTP connection to server not established."); throw new IOException("FTP connection to server not established."); } boolean loggedIn = ftp.login("anonymous", ""); if (!loggedIn) { LOG.error("Could not login as anonymous."); throw new IOException("Could not login as anonymous."); } LOG.info("Successfully connected and logged in"); ftp.enterLocalPassiveMode(); inputStream = ftp.retrieveFileStream(fileName); if (inputStream != null) { LOG.info("reading input stream"); InputStreamReader screenReader = new InputStreamReader(inputStream); BufferedReader screen = new BufferedReader(screenReader); CSVReader csvReader = new CSVReader(screenReader, ',', '"', 1); List<String[]> lines = csvReader.readAll(); for (String[] line : lines) { String title = line[0]; String number = line[1]; CFDA cfda = new CFDA(); cfda.setCfdaNumber(number); cfda.setCfdaProgramTitleName(title); govMap.put(number, cfda); } } ftp.logout(); ftp.disconnect(); } finally { if (ftp.isConnected()) { ftp.disconnect(); } } return govMap; }