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

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

Introduction

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

Prototype

public boolean login(String username, String password) throws IOException 

Source Link

Document

Login to the FTP server using the provided username and password.

Usage

From source file:org.alfresco.filesys.FTPServerTest.java

/**
 * Create a user other than "admin" who has access to a set of files. 
 * //from   ww w.  j  av  a  2 s .  c  o m
 * Create a folder containing test.docx as user one
 * Update that file as user two.
 * Check user one can see user two's changes.
 * 
 * @throws Exception
 */
public void testTwoUserUpdate() throws Exception {
    logger.debug("Start testFTPConnect");

    final String TEST_DIR = "/Alfresco/User Homes/" + USER_ONE;

    FTPClient ftpOne = connectClient();
    FTPClient ftpTwo = connectClient();
    try {
        int reply = ftpOne.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            fail("FTP server refused connection.");
        }

        reply = ftpTwo.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            fail("FTP server refused connection.");
        }

        boolean login = ftpOne.login(USER_ONE, PASSWORD_ONE);
        assertTrue("user one login not successful", login);

        login = ftpTwo.login(USER_TWO, PASSWORD_TWO);
        assertTrue("user two login not successful", login);

        boolean success = ftpOne.changeWorkingDirectory("Alfresco");
        assertTrue("user one unable to cd to Alfreco", success);
        success = ftpOne.changeWorkingDirectory("User*Homes");
        assertTrue("user one unable to cd to User*Homes", success);
        success = ftpOne.changeWorkingDirectory(USER_ONE);
        assertTrue("user one unable to cd to " + USER_ONE, success);

        success = ftpTwo.changeWorkingDirectory("Alfresco");
        assertTrue("user two unable to cd to Alfreco", success);
        success = ftpTwo.changeWorkingDirectory("User*Homes");
        assertTrue("user two unable to cd to User*Homes", success);
        success = ftpTwo.changeWorkingDirectory(USER_ONE);
        assertTrue("user two unable to cd " + USER_ONE, success);

        // Create a file as user one
        String FILE1_CONTENT_1 = "test file 1 content";
        String FILE1_NAME = "test.docx";
        success = ftpOne.appendFile(FILE1_NAME, new ByteArrayInputStream(FILE1_CONTENT_1.getBytes("UTF-8")));
        assertTrue("user one unable to append file", success);

        // Update the file as user two
        String FILE1_CONTENT_2 = "test file content updated";
        success = ftpTwo.storeFile(FILE1_NAME, new ByteArrayInputStream(FILE1_CONTENT_2.getBytes("UTF-8")));
        assertTrue("user two unable to append file", success);

        // User one should read user2's content
        InputStream is1 = ftpOne.retrieveFileStream(FILE1_NAME);
        assertNotNull("is1 is null", is1);
        String content1 = inputStreamToString(is1);
        assertEquals("Content is not as expected", FILE1_CONTENT_2, content1);
        ftpOne.completePendingCommand();

        // User two should read user2's content
        InputStream is2 = ftpTwo.retrieveFileStream(FILE1_NAME);
        assertNotNull("is2 is null", is2);
        String content2 = inputStreamToString(is2);
        assertEquals("Content is not as expected", FILE1_CONTENT_2, content2);
        ftpTwo.completePendingCommand();
        logger.debug("Test finished");

    } finally {
        ftpOne.dele(TEST_DIR);
        if (ftpOne != null) {
            ftpOne.disconnect();
        }
        if (ftpTwo != null) {
            ftpTwo.disconnect();
        }
    }

}

From source file:org.alfresco.filesys.FTPServerTest.java

/**
 * Test a quota failue exception over FTP.
 * A file should not exist after a create and quota exception. 
 *///from  w w w  .jav  a 2  s  .  com
public void testFtpQuotaAndFtp() throws Exception {
    // Enable usages
    ContentUsageImpl contentUsage = (ContentUsageImpl) applicationContext.getBean("contentUsageImpl");
    contentUsage.setEnabled(true);
    contentUsage.init();
    UserUsageTrackingComponent userUsageTrackingComponent = (UserUsageTrackingComponent) applicationContext
            .getBean("userUsageTrackingComponent");
    userUsageTrackingComponent.setEnabled(true);
    userUsageTrackingComponent.bootstrapInternal();

    final String TEST_DIR = "/Alfresco/User Homes/" + USER_THREE;

    FTPClient ftpOne = connectClient();
    try {
        int reply = ftpOne.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            fail("FTP server refused connection.");
        }

        boolean login = ftpOne.login(USER_THREE, PASSWORD_THREE);
        assertTrue("user three login not successful", login);

        boolean success = ftpOne.changeWorkingDirectory("Alfresco");
        assertTrue("user three unable to cd to Alfreco", success);
        success = ftpOne.changeWorkingDirectory("User*Homes");
        assertTrue("user one unable to cd to User*Homes", success);
        success = ftpOne.changeWorkingDirectory(USER_THREE);
        assertTrue("user one unable to cd to " + USER_THREE, success);

        /**
         * Create a file as user three which is bigger than the quota
         */
        String FILE3_CONTENT_3 = "test file 3 content that needs to be greater than 100 bytes to result in a quota exception being thrown";
        String FILE1_NAME = "test.docx";

        // Should not be success
        success = ftpOne.appendFile(FILE1_NAME, new ByteArrayInputStream(FILE3_CONTENT_3.getBytes("UTF-8")));
        assertFalse("user one can ignore quota", success);

        boolean deleted = ftpOne.deleteFile(FILE1_NAME);
        assertFalse("quota exception expected", deleted);

        logger.debug("test done");

    } finally {
        // Disable usages
        contentUsage.setEnabled(false);
        contentUsage.init();
        userUsageTrackingComponent.setEnabled(false);
        userUsageTrackingComponent.bootstrapInternal();

        ftpOne.dele(TEST_DIR);
        if (ftpOne != null) {
            ftpOne.disconnect();
        }
    }

}

From source file:org.alfresco.filesys.FTPServerTest.java

/**
 * Test Setting the modification time FTP server
 *
 * @throws Exception//from w  w w  .j  av a  2 s.  co m
 */
public void testModificationTime() throws Exception {
    final String PATH1 = "FTPServerTest";
    final String PATH2 = "ModificationTime";

    logger.debug("Start testModificationTime");

    FTPClient ftp = connectClient();

    try {
        int reply = ftp.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            fail("FTP server refused connection.");
        }

        boolean login = ftp.login(USER_ADMIN, PASSWORD_ADMIN);
        assertTrue("admin login successful", login);

        reply = ftp.cwd("/Alfresco/User Homes");
        assertTrue(FTPReply.isPositiveCompletion(reply));

        // Delete the root directory in case it was left over from a previous test run
        try {
            ftp.removeDirectory(PATH1);
        } catch (IOException e) {
            // ignore this error
        }

        // make root directory
        ftp.makeDirectory(PATH1);
        ftp.cwd(PATH1);

        // make sub-directory in new directory
        ftp.makeDirectory(PATH2);
        ftp.cwd(PATH2);

        // List the files in the new directory
        FTPFile[] files = ftp.listFiles();
        assertTrue("files not empty", files.length == 0);

        // Create a file
        String FILE1_CONTENT_1 = "test file 1 content";
        String FILE1_NAME = "testFile1.txt";
        ftp.appendFile(FILE1_NAME, new ByteArrayInputStream(FILE1_CONTENT_1.getBytes("UTF-8")));

        String pathname = "/Alfresco/User Homes" + "/" + PATH1 + "/" + PATH2 + "/" + FILE1_NAME;

        logger.debug("set modification time");
        // YYYYMMDDhhmmss Time set to 2012 August 30 12:39:05
        String olympicTime = "20120830123905";
        ftp.setModificationTime(pathname, olympicTime);

        String extractedTime = ftp.getModificationTime(pathname);
        // Feature of the commons ftp library ExtractedTime has a "status code" first and is followed by newline chars

        assertTrue("time not set correctly by explicit set time", extractedTime.contains(olympicTime));

        // Get the new file
        FTPFile[] files2 = ftp.listFiles();
        assertTrue("files not one", files2.length == 1);

        InputStream is = ftp.retrieveFileStream(FILE1_NAME);

        String content = inputStreamToString(is);
        assertEquals("Content is not as expected", content, FILE1_CONTENT_1);
        ftp.completePendingCommand();

        // Update the file contents without setting time directly
        String FILE1_CONTENT_2 = "That's how it is says Pooh!";
        ftp.storeFile(FILE1_NAME, new ByteArrayInputStream(FILE1_CONTENT_2.getBytes("UTF-8")));

        InputStream is2 = ftp.retrieveFileStream(FILE1_NAME);

        String content2 = inputStreamToString(is2);
        assertEquals("Content is not as expected", FILE1_CONTENT_2, content2);
        ftp.completePendingCommand();

        extractedTime = ftp.getModificationTime(pathname);

        assertFalse("time not moved on if time not explicitly set", extractedTime.contains(olympicTime));

        // now delete the file we have been using.
        assertTrue(ftp.deleteFile(FILE1_NAME));

        // negative test - file should have gone now.
        assertFalse(ftp.deleteFile(FILE1_NAME));

    } finally {
        // clean up tree if left over from previous run

        ftp.disconnect();
    }
}

From source file:org.alinous.ftp.FtpManager.java

public boolean login(String sessionId, String username, String password) throws IOException {
    FTPClient ftp = this.instances.get(sessionId).getFtp();

    boolean result = ftp.login(username, password);

    if (!result) {
        this.instances.remove(sessionId);
    }//w ww.  ja v a2  s . c  o m

    ftp.pasv();
    printFtpReply(ftp);

    return result;
}

From source file:org.amanzi.neo.geoptima.loader.ui.page.impl.SelectFtpDataPage.java

/**
 *
 *///from w w  w .  jav a 2 s . c  o  m
private void connectToFtp() {
    try {
        if (getConfiguration().getFtpClient() != null) {
            getConfiguration().getFtpClient().disconnect();
        }
        FTPClient client = new FTPClient();
        FTPClientConfig config = new FTPClientConfig();
        client.configure(config);

        client.connect(getUrl());
        client.login(userNameWidget.getText(), passwordWidget.getText());
        viewer.initialize(client);
        getConfiguration().setFtpClient(client);
    } catch (IOException e) {
        LOGGER.error("can't connect to server", e);
    }
}

From source file:org.apache.activemq.blob.FTPStrategy.java

protected FTPClient createFTP() throws IOException, JMSException {
    String connectUrl = url.getHost();
    setUserInformation(url.getUserInfo());
    int port = url.getPort() < 1 ? 21 : url.getPort();

    FTPClient ftp = new FTPClient();
    try {/*  ww w .  j a  v a2 s.  co m*/
        ftp.connect(connectUrl, port);
    } catch (ConnectException e) {
        throw new JMSException("Problem connecting the FTP-server");
    }
    if (!ftp.login(ftpUser, ftpPass)) {
        ftp.quit();
        ftp.disconnect();
        throw new JMSException("Cant Authentificate to FTP-Server");
    }
    return ftp;
}

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  www  . j  a va  2 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;/* w ww. j  a  v 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 v  a  2  s  .  co 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 .  ja  v  a  2 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 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
        }
    }
}