List of usage examples for org.apache.commons.net.ftp FTPClient isConnected
public boolean isConnected()
From source file:nz.co.jsrsolutions.ds3.provider.CMEEodDataProvider.java
public CMEEodDataProvider(String hostname, String basePath, CMEEodDataProviderExchangeDescriptor[] descriptors) throws EodDataProviderException { _hostname = hostname;/*from ww w. jav a2 s . com*/ _basePath = basePath; _descriptors = descriptors; FTPClient ftp = new FTPClient(); FTPClientConfig config = new FTPClientConfig(); ftp.configure(config); boolean error = false; try { int reply; ftp.connect(_hostname); _logger.info("Connected to " + _hostname); _logger.info(ftp.getReplyString()); // After connection attempt, you should check the reply code to // verify // success. reply = ftp.getReplyCode(); if (!FTPReply.isPositiveCompletion(reply)) { ftp.disconnect(); _logger.error("FTP server refused connection."); throw new EodDataProviderException("FTP server refused connection."); } boolean result = ftp.login("anonymous", "jsr@argusat.com"); result = ftp.changeWorkingDirectory(_basePath); reply = ftp.getReplyCode(); if (!FTPReply.isPositiveCompletion(reply)) { ftp.disconnect(); _logger.error(reply); throw new EodDataProviderException("Failed to cd into " + _basePath); } for (CMEEodDataProviderExchangeDescriptor descriptor : _descriptors) { OutputStream output = new ByteArrayOutputStream(); String modificationTime = ftp.getModificationTime(descriptor.getFilename()); // 213 20131202235804\r\n result = ftp.retrieveFile(descriptor.getFilename(), output); output.close(); } ftp.logout(); } catch (IOException e) { error = true; e.printStackTrace(); } finally { if (ftp.isConnected()) { try { ftp.disconnect(); } catch (IOException ioe) { // do nothing } } } }
From source file:org.abstracthorizon.proximity.storage.remote.CommonsNetFtpRemotePeer.java
public boolean containsItem(String path) throws StorageException { FTPClient client = null; try {/*from w w w . j a v a 2s.co m*/ client = getFTPClient(); try { if (client.changeWorkingDirectory( concatPaths(getRemoteUrl().getPath(), FilenameUtils.getPath(path)))) { FTPFile[] fileList = client.listFiles(FilenameUtils.getName(path)); if (fileList.length == 1) { return true; } else { return false; } } else { return false; } } catch (IOException ex) { throw new StorageException("Cannot execute FTP operation on remote peer.", ex); } } finally { try { if (client.isConnected()) { client.disconnect(); } } catch (IOException ex) { logger.warn("Could not disconnect FTPClient", ex); } } }
From source file:org.abstracthorizon.proximity.storage.remote.CommonsNetFtpRemotePeer.java
public Item retrieveItem(String path, boolean propsOnly) throws ItemNotFoundException, StorageException { String originatingUrlString = getAbsoluteUrl(path); FTPClient client = null; try {// w w w . j a va2 s . c o m client = getFTPClient(); try { if (client.changeWorkingDirectory( concatPaths(getRemoteUrl().getPath(), FilenameUtils.getPath(path)))) { FTPFile[] fileList = client.listFiles(FilenameUtils.getName(path)); if (fileList.length == 1) { FTPFile ftpFile = fileList[0]; ItemProperties properties = constructItemPropertiesFromGetResponse(path, originatingUrlString, ftpFile); Item result = new Item(); if (properties.isFile()) { // TODO: Solve this in a better way File tmpFile = File.createTempFile(FilenameUtils.getName(path), null); tmpFile.deleteOnExit(); FileOutputStream fos = new FileOutputStream(tmpFile); try { client.retrieveFile(FilenameUtils.getName(path), fos); fos.flush(); } finally { fos.close(); } result.setStream(new DeleteOnCloseFileInputStream(tmpFile)); } else { result.setStream(null); } result.setProperties(properties); return result; } else { throw new ItemNotFoundException( "Item " + path + " not found in FTP remote peer of " + getRemoteUrl()); } } else { throw new ItemNotFoundException("Path " + FilenameUtils.getPath(path) + " not found in FTP remote peer of " + getRemoteUrl()); } } catch (IOException ex) { throw new StorageException("Cannot execute FTP operation on remote peer.", ex); } } finally { try { if (client.isConnected()) { client.disconnect(); } } catch (IOException ex) { logger.warn("Could not disconnect FTPClient", ex); } } }
From source file:org.apache.common.net.examples.ftp.FTPClientExample.java
public static final void main(String[] args) { boolean storeFile = false, binaryTransfer = false, error = false, listFiles = false, listNames = false, hidden = false;/*from w w w . j a va2 s .co m*/ boolean localActive = false, useEpsvWithIPv4 = false, feat = false, printHash = false; boolean mlst = false, mlsd = false; boolean lenient = false; long keepAliveTimeout = -1; int controlKeepAliveReplyTimeout = -1; int minParams = 5; // listings require 3 params String protocol = null; // SSL protocol String doCommand = null; String trustmgr = null; String proxyHost = null; int proxyPort = 80; String proxyUser = null; String proxyPassword = null; int base = 0; for (base = 0; base < args.length; base++) { if (args[base].equals("-s")) { storeFile = true; } else if (args[base].equals("-a")) { localActive = true; } else if (args[base].equals("-b")) { binaryTransfer = true; } else if (args[base].equals("-c")) { doCommand = args[++base]; minParams = 3; } else if (args[base].equals("-d")) { mlsd = true; minParams = 3; } else if (args[base].equals("-e")) { useEpsvWithIPv4 = true; } else if (args[base].equals("-f")) { feat = true; minParams = 3; } else if (args[base].equals("-h")) { hidden = true; } else if (args[base].equals("-k")) { keepAliveTimeout = Long.parseLong(args[++base]); } else if (args[base].equals("-l")) { listFiles = true; minParams = 3; } else if (args[base].equals("-L")) { lenient = true; } else if (args[base].equals("-n")) { listNames = true; minParams = 3; } else if (args[base].equals("-p")) { protocol = args[++base]; } else if (args[base].equals("-t")) { mlst = true; minParams = 3; } else if (args[base].equals("-w")) { controlKeepAliveReplyTimeout = Integer.parseInt(args[++base]); } else if (args[base].equals("-T")) { trustmgr = args[++base]; } else if (args[base].equals("-PrH")) { proxyHost = args[++base]; String parts[] = proxyHost.split(":"); if (parts.length == 2) { proxyHost = parts[0]; proxyPort = Integer.parseInt(parts[1]); } } else if (args[base].equals("-PrU")) { proxyUser = args[++base]; } else if (args[base].equals("-PrP")) { proxyPassword = args[++base]; } else if (args[base].equals("-#")) { printHash = true; } else { break; } } int remain = args.length - base; if (remain < minParams) // server, user, pass, remote, local [protocol] { System.err.println(USAGE); System.exit(1); } String server = args[base++]; int port = 0; String parts[] = server.split(":"); if (parts.length == 2) { server = parts[0]; port = Integer.parseInt(parts[1]); } String username = args[base++]; String password = args[base++]; String remote = null; if (args.length - base > 0) { remote = args[base++]; } String local = null; if (args.length - base > 0) { local = args[base++]; } final FTPClient ftp; if (protocol == null) { if (proxyHost != null) { System.out.println("Using HTTP proxy server: " + proxyHost); ftp = new FTPHTTPClient(proxyHost, proxyPort, proxyUser, proxyPassword); } else { ftp = new FTPClient(); } } else { FTPSClient ftps; if (protocol.equals("true")) { ftps = new FTPSClient(true); } else if (protocol.equals("false")) { ftps = new FTPSClient(false); } else { String prot[] = protocol.split(","); if (prot.length == 1) { // Just protocol ftps = new FTPSClient(protocol); } else { // protocol,true|false ftps = new FTPSClient(prot[0], Boolean.parseBoolean(prot[1])); } } ftp = ftps; if ("all".equals(trustmgr)) { ftps.setTrustManager(TrustManagerUtils.getAcceptAllTrustManager()); } else if ("valid".equals(trustmgr)) { ftps.setTrustManager(TrustManagerUtils.getValidateServerCertificateTrustManager()); } else if ("none".equals(trustmgr)) { ftps.setTrustManager(null); } } if (printHash) { ftp.setCopyStreamListener(createListener()); } if (keepAliveTimeout >= 0) { ftp.setControlKeepAliveTimeout(keepAliveTimeout); } if (controlKeepAliveReplyTimeout >= 0) { ftp.setControlKeepAliveReplyTimeout(controlKeepAliveReplyTimeout); } ftp.setListHiddenFiles(hidden); // suppress login details ftp.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true)); try { int reply; if (port > 0) { ftp.connect(server, port); } else { ftp.connect(server); } System.out.println("Connected to " + server + " on " + (port > 0 ? port : ftp.getDefaultPort())); // 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."); System.exit(1); } } catch (IOException e) { if (ftp.isConnected()) { try { ftp.disconnect(); } catch (IOException f) { // do nothing } } System.err.println("Could not connect to server."); e.printStackTrace(); System.exit(1); } __main: try { if (!ftp.login(username, password)) { ftp.logout(); error = true; break __main; } System.out.println("Remote system is " + ftp.getSystemType()); if (binaryTransfer) { ftp.setFileType(FTP.BINARY_FILE_TYPE); } // Use passive mode as default because most of us are // behind firewalls these days. if (localActive) { ftp.enterLocalActiveMode(); } else { ftp.enterLocalPassiveMode(); } ftp.setUseEPSVwithIPv4(useEpsvWithIPv4); if (storeFile) { InputStream input; input = new FileInputStream(local); ftp.storeFile(remote, input); input.close(); } else if (listFiles) { if (lenient) { FTPClientConfig config = new FTPClientConfig(); config.setLenientFutureDates(true); ftp.configure(config); } for (FTPFile f : ftp.listFiles(remote)) { System.out.println(f.getRawListing()); System.out.println(f.toFormattedString()); } } else if (mlsd) { for (FTPFile f : ftp.mlistDir(remote)) { System.out.println(f.getRawListing()); System.out.println(f.toFormattedString()); } } else if (mlst) { FTPFile f = ftp.mlistFile(remote); if (f != null) { System.out.println(f.toFormattedString()); } } else if (listNames) { for (String s : ftp.listNames(remote)) { System.out.println(s); } } else if (feat) { // boolean feature check if (remote != null) { // See if the command is present if (ftp.hasFeature(remote)) { System.out.println("Has feature: " + remote); } else { if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) { System.out.println("FEAT " + remote + " was not detected"); } else { System.out.println("Command failed: " + ftp.getReplyString()); } } // Strings feature check String[] features = ftp.featureValues(remote); if (features != null) { for (String f : features) { System.out.println("FEAT " + remote + "=" + f + "."); } } else { if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) { System.out.println("FEAT " + remote + " is not present"); } else { System.out.println("Command failed: " + ftp.getReplyString()); } } } else { if (ftp.features()) { // Command listener has already printed the output } else { System.out.println("Failed: " + ftp.getReplyString()); } } } else if (doCommand != null) { if (ftp.doCommand(doCommand, remote)) { // Command listener has already printed the output // for(String s : ftp.getReplyStrings()) { // System.out.println(s); // } } else { System.out.println("Failed: " + ftp.getReplyString()); } } else { OutputStream output; output = new FileOutputStream(local); ftp.retrieveFile(remote, output); output.close(); } ftp.noop(); // check that control connection is working OK ftp.logout(); } catch (FTPConnectionClosedException e) { error = true; System.err.println("Server closed connection."); e.printStackTrace(); } catch (IOException e) { error = true; e.printStackTrace(); } finally { if (ftp.isConnected()) { try { ftp.disconnect(); } catch (IOException f) { // do nothing } } } System.exit(error ? 1 : 0); }
From source file:org.apache.common.net.examples.ftp.ServerToServerFTP.java
public static final void main(String[] args) { String server1, username1, password1, file1; String server2, username2, password2, file2; String[] parts;//from w w w .j av a2 s. c o m int port1 = 0, port2 = 0; FTPClient ftp1, ftp2; ProtocolCommandListener listener; if (args.length < 8) { System.err.println("Usage: ftp <host1> <user1> <pass1> <file1> <host2> <user2> <pass2> <file2>"); System.exit(1); } server1 = args[0]; parts = server1.split(":"); if (parts.length == 2) { server1 = parts[0]; port1 = Integer.parseInt(parts[1]); } username1 = args[1]; password1 = args[2]; file1 = args[3]; server2 = args[4]; parts = server2.split(":"); if (parts.length == 2) { server2 = parts[0]; port2 = Integer.parseInt(parts[1]); } username2 = args[5]; password2 = args[6]; file2 = args[7]; listener = new PrintCommandListener(new PrintWriter(System.out), true); ftp1 = new FTPClient(); ftp1.addProtocolCommandListener(listener); ftp2 = new FTPClient(); ftp2.addProtocolCommandListener(listener); try { int reply; if (port1 > 0) { ftp1.connect(server1, port1); } else { ftp1.connect(server1); } System.out.println("Connected to " + server1 + "."); reply = ftp1.getReplyCode(); if (!FTPReply.isPositiveCompletion(reply)) { ftp1.disconnect(); System.err.println("FTP server1 refused connection."); System.exit(1); } } catch (IOException e) { if (ftp1.isConnected()) { try { ftp1.disconnect(); } catch (IOException f) { // do nothing } } System.err.println("Could not connect to server1."); e.printStackTrace(); System.exit(1); } try { int reply; if (port2 > 0) { ftp2.connect(server2, port2); } else { ftp2.connect(server2); } System.out.println("Connected to " + server2 + "."); reply = ftp2.getReplyCode(); if (!FTPReply.isPositiveCompletion(reply)) { ftp2.disconnect(); System.err.println("FTP server2 refused connection."); System.exit(1); } } catch (IOException e) { if (ftp2.isConnected()) { try { ftp2.disconnect(); } catch (IOException f) { // do nothing } } System.err.println("Could not connect to server2."); e.printStackTrace(); System.exit(1); } __main: try { if (!ftp1.login(username1, password1)) { System.err.println("Could not login to " + server1); break __main; } if (!ftp2.login(username2, password2)) { System.err.println("Could not login to " + server2); break __main; } // Let's just assume success for now. ftp2.enterRemotePassiveMode(); ftp1.enterRemoteActiveMode(InetAddress.getByName(ftp2.getPassiveHost()), ftp2.getPassivePort()); // Although you would think the store command should be sent to server2 // first, in reality, ftp servers like wu-ftpd start accepting data // connections right after entering passive mode. Additionally, they // don't even send the positive preliminary reply until after the // transfer is completed (in the case of passive mode transfers). // Therefore, calling store first would hang waiting for a preliminary // reply. if (ftp1.remoteRetrieve(file1) && ftp2.remoteStoreUnique(file2)) { // if(ftp1.remoteRetrieve(file1) && ftp2.remoteStore(file2)) { // We have to fetch the positive completion reply. ftp1.completePendingCommand(); ftp2.completePendingCommand(); } else { System.err.println("Couldn't initiate transfer. Check that filenames are valid."); break __main; } } catch (IOException e) { e.printStackTrace(); System.exit(1); } finally { try { if (ftp1.isConnected()) { ftp1.logout(); ftp1.disconnect(); } } catch (IOException e) { // do nothing } try { if (ftp2.isConnected()) { ftp2.logout(); ftp2.disconnect(); } } catch (IOException e) { // do nothing } } }
From source file:org.apache.commons.net.examples.ftp.FTPClientExample.java
public static void main(String[] args) throws UnknownHostException { boolean storeFile = false, binaryTransfer = false, error = false, listFiles = false, listNames = false, hidden = false;/*from w w w . j a va 2s.c o m*/ boolean localActive = false, useEpsvWithIPv4 = false, feat = false, printHash = false; boolean mlst = false, mlsd = false, mdtm = false, saveUnparseable = false; boolean size = false; boolean lenient = false; long keepAliveTimeout = -1; int controlKeepAliveReplyTimeout = -1; int minParams = 5; // listings require 3 params String protocol = null; // SSL protocol String doCommand = null; String trustmgr = null; String proxyHost = null; int proxyPort = 80; String proxyUser = null; String proxyPassword = null; String username = null; String password = null; String encoding = null; String serverTimeZoneId = null; String displayTimeZoneId = null; String serverType = null; String defaultDateFormat = null; String recentDateFormat = null; int base = 0; for (base = 0; base < args.length; base++) { if (args[base].equals("-s")) { storeFile = true; } else if (args[base].equals("-a")) { localActive = true; } else if (args[base].equals("-A")) { username = "anonymous"; password = System.getProperty("user.name") + "@" + InetAddress.getLocalHost().getHostName(); } else if (args[base].equals("-b")) { binaryTransfer = true; } else if (args[base].equals("-c")) { doCommand = args[++base]; minParams = 3; } else if (args[base].equals("-d")) { mlsd = true; minParams = 3; } else if (args[base].equals("-e")) { useEpsvWithIPv4 = true; } else if (args[base].equals("-E")) { encoding = args[++base]; } else if (args[base].equals("-f")) { feat = true; minParams = 3; } else if (args[base].equals("-h")) { hidden = true; } else if (args[base].equals("-i")) { size = true; minParams = 3; } else if (args[base].equals("-k")) { keepAliveTimeout = Long.parseLong(args[++base]); } else if (args[base].equals("-l")) { listFiles = true; minParams = 3; } else if (args[base].equals("-m")) { mdtm = true; minParams = 3; } else if (args[base].equals("-L")) { lenient = true; } else if (args[base].equals("-n")) { listNames = true; minParams = 3; } else if (args[base].equals("-p")) { protocol = args[++base]; } else if (args[base].equals("-S")) { serverType = args[++base]; } else if (args[base].equals("-t")) { mlst = true; minParams = 3; } else if (args[base].equals("-U")) { saveUnparseable = true; } else if (args[base].equals("-w")) { controlKeepAliveReplyTimeout = Integer.parseInt(args[++base]); } else if (args[base].equals("-T")) { trustmgr = args[++base]; } else if (args[base].equals("-y")) { defaultDateFormat = args[++base]; } else if (args[base].equals("-Y")) { recentDateFormat = args[++base]; } else if (args[base].equals("-Z")) { serverTimeZoneId = args[++base]; } else if (args[base].equals("-z")) { displayTimeZoneId = args[++base]; } else if (args[base].equals("-PrH")) { proxyHost = args[++base]; String parts[] = proxyHost.split(":"); if (parts.length == 2) { proxyHost = parts[0]; proxyPort = Integer.parseInt(parts[1]); } } else if (args[base].equals("-PrU")) { proxyUser = args[++base]; } else if (args[base].equals("-PrP")) { proxyPassword = args[++base]; } else if (args[base].equals("-#")) { printHash = true; } else { break; } } int remain = args.length - base; if (username != null) { minParams -= 2; } if (remain < minParams) // server, user, pass, remote, local [protocol] { if (args.length > 0) { System.err.println("Actual Parameters: " + Arrays.toString(args)); } System.err.println(USAGE); System.exit(1); } String server = args[base++]; int port = 0; String parts[] = server.split(":"); if (parts.length == 2) { server = parts[0]; port = Integer.parseInt(parts[1]); } if (username == null) { username = args[base++]; password = args[base++]; } String remote = null; if (args.length - base > 0) { remote = args[base++]; } String local = null; if (args.length - base > 0) { local = args[base++]; } final FTPClient ftp; if (protocol == null) { if (proxyHost != null) { System.out.println("Using HTTP proxy server: " + proxyHost); ftp = new FTPHTTPClient(proxyHost, proxyPort, proxyUser, proxyPassword); } else { ftp = new FTPClient(); } } else { FTPSClient ftps; if (protocol.equals("true")) { ftps = new FTPSClient(true); } else if (protocol.equals("false")) { ftps = new FTPSClient(false); } else { String prot[] = protocol.split(","); if (prot.length == 1) { // Just protocol ftps = new FTPSClient(protocol); } else { // protocol,true|false ftps = new FTPSClient(prot[0], Boolean.parseBoolean(prot[1])); } } ftp = ftps; if ("all".equals(trustmgr)) { ftps.setTrustManager(TrustManagerUtils.getAcceptAllTrustManager()); } else if ("valid".equals(trustmgr)) { ftps.setTrustManager(TrustManagerUtils.getValidateServerCertificateTrustManager()); } else if ("none".equals(trustmgr)) { ftps.setTrustManager(null); } } if (printHash) { ftp.setCopyStreamListener(createListener()); } if (keepAliveTimeout >= 0) { ftp.setControlKeepAliveTimeout(keepAliveTimeout); } if (controlKeepAliveReplyTimeout >= 0) { ftp.setControlKeepAliveReplyTimeout(controlKeepAliveReplyTimeout); } if (encoding != null) { ftp.setControlEncoding(encoding); } ftp.setListHiddenFiles(hidden); // suppress login details ftp.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true)); final FTPClientConfig config; if (serverType != null) { config = new FTPClientConfig(serverType); } else { config = new FTPClientConfig(); } config.setUnparseableEntries(saveUnparseable); if (defaultDateFormat != null) { config.setDefaultDateFormatStr(defaultDateFormat); } if (recentDateFormat != null) { config.setRecentDateFormatStr(recentDateFormat); } ftp.configure(config); try { int reply; if (port > 0) { ftp.connect(server, port); } else { ftp.connect(server); } System.out.println("Connected to " + server + " on " + (port > 0 ? port : ftp.getDefaultPort())); // 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."); System.exit(1); } } catch (IOException e) { if (ftp.isConnected()) { try { ftp.disconnect(); } catch (IOException f) { // do nothing } } System.err.println("Could not connect to server."); e.printStackTrace(); System.exit(1); } __main: try { if (!ftp.login(username, password)) { ftp.logout(); error = true; break __main; } System.out.println("Remote system is " + ftp.getSystemType()); if (binaryTransfer) { ftp.setFileType(FTP.BINARY_FILE_TYPE); } else { // in theory this should not be necessary as servers should default to ASCII // but they don't all do so - see NET-500 ftp.setFileType(FTP.ASCII_FILE_TYPE); } // Use passive mode as default because most of us are // behind firewalls these days. if (localActive) { ftp.enterLocalActiveMode(); } else { ftp.enterLocalPassiveMode(); } ftp.setUseEPSVwithIPv4(useEpsvWithIPv4); if (storeFile) { InputStream input; input = new FileInputStream(local); ftp.storeFile(remote, input); input.close(); if (keepAliveTimeout > 0) { showCslStats(ftp); } } // Allow multiple list types for single invocation else if (listFiles || mlsd || mdtm || mlst || listNames || size) { if (mlsd) { for (FTPFile f : ftp.mlistDir(remote)) { System.out.println(f.getRawListing()); System.out.println(f.toFormattedString(displayTimeZoneId)); } } if (mdtm) { FTPFile f = ftp.mdtmFile(remote); if (f != null) { System.out.println(f.getRawListing()); System.out.println(f.toFormattedString(displayTimeZoneId)); } else { System.out.println("File not found"); } } if (mlst) { FTPFile f = ftp.mlistFile(remote); if (f != null) { System.out.println(f.toFormattedString(displayTimeZoneId)); } } if (listNames) { for (String s : ftp.listNames(remote)) { System.out.println(s); } } if (size) { System.out.println("Size=" + ftp.getSize(remote)); } // Do this last because it changes the client if (listFiles) { if (lenient || serverTimeZoneId != null) { config.setLenientFutureDates(lenient); if (serverTimeZoneId != null) { config.setServerTimeZoneId(serverTimeZoneId); } ftp.configure(config); } for (FTPFile f : ftp.listFiles(remote)) { System.out.println(f.getRawListing()); System.out.println(f.toFormattedString(displayTimeZoneId)); } } } else if (feat) { // boolean feature check if (remote != null) { // See if the command is present if (ftp.hasFeature(remote)) { System.out.println("Has feature: " + remote); } else { if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) { System.out.println("FEAT " + remote + " was not detected"); } else { System.out.println("Command failed: " + ftp.getReplyString()); } } // Strings feature check String[] features = ftp.featureValues(remote); if (features != null) { for (String f : features) { System.out.println("FEAT " + remote + "=" + f + "."); } } else { if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) { System.out.println("FEAT " + remote + " is not present"); } else { System.out.println("Command failed: " + ftp.getReplyString()); } } } else { if (ftp.features()) { // Command listener has already printed the output } else { System.out.println("Failed: " + ftp.getReplyString()); } } } else if (doCommand != null) { if (ftp.doCommand(doCommand, remote)) { // Command listener has already printed the output // for(String s : ftp.getReplyStrings()) { // System.out.println(s); // } } else { System.out.println("Failed: " + ftp.getReplyString()); } } else { OutputStream output; output = new FileOutputStream(local); ftp.retrieveFile(remote, output); output.close(); if (keepAliveTimeout > 0) { showCslStats(ftp); } } ftp.noop(); // check that control connection is working OK ftp.logout(); } catch (FTPConnectionClosedException e) { error = true; System.err.println("Server closed connection."); e.printStackTrace(); } catch (IOException e) { error = true; e.printStackTrace(); } finally { if (ftp.isConnected()) { try { ftp.disconnect(); } catch (IOException f) { // do nothing } } } System.exit(error ? 1 : 0); }
From source file:org.apache.commons.net.examples.ftp.ServerToServerFTP.java
public static void main(String[] args) { String server1, username1, password1, file1; String server2, username2, password2, file2; String[] parts;/*from w w w .j a v a 2s. c om*/ int port1 = 0, port2 = 0; FTPClient ftp1, ftp2; ProtocolCommandListener listener; if (args.length < 8) { System.err.println("Usage: ftp <host1> <user1> <pass1> <file1> <host2> <user2> <pass2> <file2>"); System.exit(1); } server1 = args[0]; parts = server1.split(":"); if (parts.length == 2) { server1 = parts[0]; port1 = Integer.parseInt(parts[1]); } username1 = args[1]; password1 = args[2]; file1 = args[3]; server2 = args[4]; parts = server2.split(":"); if (parts.length == 2) { server2 = parts[0]; port2 = Integer.parseInt(parts[1]); } username2 = args[5]; password2 = args[6]; file2 = args[7]; listener = new PrintCommandListener(new PrintWriter(System.out), true); ftp1 = new FTPClient(); ftp1.addProtocolCommandListener(listener); ftp2 = new FTPClient(); ftp2.addProtocolCommandListener(listener); try { int reply; if (port1 > 0) { ftp1.connect(server1, port1); } else { ftp1.connect(server1); } System.out.println("Connected to " + server1 + "."); reply = ftp1.getReplyCode(); if (!FTPReply.isPositiveCompletion(reply)) { ftp1.disconnect(); System.err.println("FTP server1 refused connection."); System.exit(1); } } catch (IOException e) { if (ftp1.isConnected()) { try { ftp1.disconnect(); } catch (IOException f) { // do nothing } } System.err.println("Could not connect to server1."); e.printStackTrace(); System.exit(1); } try { int reply; if (port2 > 0) { ftp2.connect(server2, port2); } else { ftp2.connect(server2); } System.out.println("Connected to " + server2 + "."); reply = ftp2.getReplyCode(); if (!FTPReply.isPositiveCompletion(reply)) { ftp2.disconnect(); System.err.println("FTP server2 refused connection."); System.exit(1); } } catch (IOException e) { if (ftp2.isConnected()) { try { ftp2.disconnect(); } catch (IOException f) { // do nothing } } System.err.println("Could not connect to server2."); e.printStackTrace(); System.exit(1); } __main: try { if (!ftp1.login(username1, password1)) { System.err.println("Could not login to " + server1); break __main; } if (!ftp2.login(username2, password2)) { System.err.println("Could not login to " + server2); break __main; } // Let's just assume success for now. ftp2.enterRemotePassiveMode(); ftp1.enterRemoteActiveMode(InetAddress.getByName(ftp2.getPassiveHost()), ftp2.getPassivePort()); // Although you would think the store command should be sent to server2 // first, in reality, ftp servers like wu-ftpd start accepting data // connections right after entering passive mode. Additionally, they // don't even send the positive preliminary reply until after the // transfer is completed (in the case of passive mode transfers). // Therefore, calling store first would hang waiting for a preliminary // reply. if (ftp1.remoteRetrieve(file1) && ftp2.remoteStoreUnique(file2)) { // if(ftp1.remoteRetrieve(file1) && ftp2.remoteStore(file2)) { // We have to fetch the positive completion reply. ftp1.completePendingCommand(); ftp2.completePendingCommand(); } else { System.err.println("Couldn't initiate transfer. Check that file names are valid."); break __main; } } catch (IOException e) { e.printStackTrace(); System.exit(1); } finally { try { if (ftp1.isConnected()) { ftp1.logout(); ftp1.disconnect(); } } catch (IOException e) { // do nothing } try { if (ftp2.isConnected()) { ftp2.logout(); ftp2.disconnect(); } } catch (IOException e) { // do nothing } } }
From source file:org.apache.hadoop.fs.ftp.FTPFileSystem.java
/** * Logout and disconnect the given FTPClient. * * //from www.ja va 2 s.c o m * @param client * @throws IOException */ private void disconnect(FTPClient client) throws IOException { if (client != null) { if (!client.isConnected()) { throw new FTPException("Client not connected"); } boolean logoutSuccess = client.logout(); client.disconnect(); if (!logoutSuccess) { LOG.warn("Logout failed while disconnecting, error code - " + client.getReplyCode()); } } }
From source file:org.apache.hadoop.fs.ftp.FTPFileSystem.java
/** * A stream obtained via this call must be closed before using other APIs of * this class or else the invocation will block. *//*from ww w. jav a 2 s . c om*/ @Override public FSDataOutputStream create(Path file, FsPermission permission, boolean overwrite, int bufferSize, short replication, long blockSize, Progressable progress) throws IOException { final FTPClient client = connect(); Path workDir = new Path(client.printWorkingDirectory()); Path absolute = makeAbsolute(workDir, file); if (exists(client, file)) { if (overwrite) { delete(client, file); } else { disconnect(client); throw new IOException("File already exists: " + file); } } Path parent = absolute.getParent(); if (parent == null || !mkdirs(client, parent, FsPermission.getDefault())) { parent = (parent == null) ? new Path("/") : parent; disconnect(client); throw new IOException("create(): Mkdirs failed to create: " + parent); } client.allocate(bufferSize); // Change to parent directory on the server. Only then can we write to the // file on the server by opening up an OutputStream. As a side effect the // working directory on the server is changed to the parent directory of the // file. The FTP client connection is closed when close() is called on the // FSDataOutputStream. client.changeWorkingDirectory(parent.toUri().getPath()); FSDataOutputStream fos = new FSDataOutputStream(client.storeFileStream(file.getName()), statistics) { @Override public void close() throws IOException { super.close(); if (!client.isConnected()) { throw new FTPException("Client not connected"); } boolean cmdCompleted = client.completePendingCommand(); disconnect(client); if (!cmdCompleted) { throw new FTPException("Could not complete transfer, Reply Code - " + client.getReplyCode()); } } }; if (!FTPReply.isPositivePreliminary(client.getReplyCode())) { // The ftpClient is an inconsistent state. Must close the stream // which in turn will logout and disconnect from FTP server fos.close(); throw new IOException("Unable to create file: " + file + ", Aborting"); } return fos; }
From source file:org.apache.hadoop.fs.ftp.FTPInputStream.java
public FTPInputStream(InputStream stream, FTPClient client, FileSystem.Statistics stats) { if (stream == null) { throw new IllegalArgumentException("Null InputStream"); }//from w w w. j ava2 s. c o m if (client == null || !client.isConnected()) { throw new IllegalArgumentException("FTP client null or not connected"); } this.wrappedStream = stream; this.client = client; this.stats = stats; this.pos = 0; this.closed = false; }