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

Introduction

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

Prototype

public boolean enterRemotePassiveMode() throws IOException 

Source Link

Document

Set the current data connection mode to PASSIVE_REMOTE_DATA_CONNECTION_MODE .

Usage

From source file:com.peter.javaautoupdater.JavaAutoUpdater.java

public static void run(String ftpHost, int ftpPort, String ftpUsername, String ftpPassword,
        boolean isLocalPassiveMode, boolean isRemotePassiveMode, String basePath, String softwareName,
        String args[]) {// w  w  w.  j  a  v a  2 s.  com
    System.out.println("jarName=" + jarName);
    for (String arg : args) {
        if (arg.toLowerCase().trim().equals("-noautoupdate")) {
            return;
        }
    }
    JavaAutoUpdater.basePath = basePath;
    JavaAutoUpdater.softwareName = softwareName;
    JavaAutoUpdater.args = args;

    if (!jarName.endsWith(".jar") || jarName.startsWith("JavaAutoUpdater-")) {
        if (isDebug) {
            jarName = "test.jar";
        } else {
            return;
        }
    }
    JProgressBarDialog d = new JProgressBarDialog(new JFrame(), "Auto updater", true);

    d.progressBar.setIndeterminate(true);
    d.progressBar.setStringPainted(true);
    d.progressBar.setString("Updating");
    //      d.addCancelEventListener(this);
    Thread longRunningThread = new Thread() {
        public void run() {
            d.progressBar.setString("checking latest version");
            System.out.println("checking latest version");

            FTPClient ftp = new FTPClient();
            try {
                ftp.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out)));
                ftp.connect(ftpHost, ftpPort);
                int reply = ftp.getReplyCode();
                System.out.println("reply=" + reply + ", " + FTPReply.isPositiveCompletion(reply));
                if (!FTPReply.isPositiveCompletion(reply)) {
                    ftp.disconnect();
                    JOptionPane.showMessageDialog(null, "FTP server refused connection", "error",
                            JOptionPane.ERROR_MESSAGE);
                }
                d.progressBar.setString("connected to ftp");
                System.out.println("connected to ftp");
                boolean success = ftp.login(ftpUsername, ftpPassword);
                if (!success) {
                    ftp.disconnect();
                    JOptionPane.showMessageDialog(null, "FTP login fail, can't update software", "error",
                            JOptionPane.ERROR_MESSAGE);
                }
                if (isLocalPassiveMode) {
                    ftp.enterLocalPassiveMode();
                }
                if (isRemotePassiveMode) {
                    ftp.enterRemotePassiveMode();
                }
                FTPFile[] ftpFiles = ftp.listFiles(basePath, new FTPFileFilter() {
                    @Override
                    public boolean accept(FTPFile file) {
                        if (file.getName().startsWith(softwareName)) {
                            return true;
                        } else {
                            return false;
                        }
                    }
                });
                if (ftpFiles.length > 0) {
                    FTPFile targetFile = ftpFiles[ftpFiles.length - 1];
                    System.out.println("targetFile : " + targetFile.getName() + " , " + targetFile.getSize()
                            + "!=" + new File(jarName).length());
                    if (!targetFile.getName().equals(jarName)
                            || targetFile.getSize() != new File(jarName).length()) {
                        int r = JOptionPane.showConfirmDialog(null,
                                "Confirm to update to " + targetFile.getName(), "Question",
                                JOptionPane.YES_NO_OPTION);
                        if (r == JOptionPane.YES_OPTION) {
                            //ftp.enterRemotePassiveMode();
                            d.progressBar.setString("downloading " + targetFile.getName());
                            ftp.setFileType(FTP.BINARY_FILE_TYPE);
                            ftp.setFileTransferMode(FTP.BINARY_FILE_TYPE);

                            d.progressBar.setIndeterminate(false);
                            d.progressBar.setMaximum(100);
                            CopyStreamAdapter streamListener = new CopyStreamAdapter() {

                                @Override
                                public void bytesTransferred(long totalBytesTransferred, int bytesTransferred,
                                        long streamSize) {
                                    int percent = (int) (totalBytesTransferred * 100 / targetFile.getSize());
                                    d.progressBar.setValue(percent);
                                }
                            };
                            ftp.setCopyStreamListener(streamListener);
                            try (FileOutputStream fos = new FileOutputStream(targetFile.getName())) {
                                ftp.retrieveFile(basePath + "/" + targetFile.getName(), fos);
                            } catch (IOException e) {
                                e.printStackTrace();
                            }
                            d.progressBar.setString("restarting " + targetFile.getName());
                            restartApplication(targetFile.getName());
                        }
                    }

                }
                ftp.logout();
                ftp.disconnect();
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }
    };
    d.thread = longRunningThread;
    d.setVisible(true);
}

---