Examples with HeadlessException java.awt.HeadlessException used on opensource projects

Example 1 with HeadlessException

use of java.awt.HeadlessException in project GNS by MobilityFirst.

the class Sudo method main.

/**
   *
   * @param arg
   */
public static void main(String[] arg) {
    try {
        JSch jsch = new JSch();
        Session session = SSHClient.authenticateWithKey(jsch, null, null, null);
        UserInfo ui = new UserInfoPrompted();
        session.setUserInfo(ui);
        session.connect();
        String command = JOptionPane.showInputDialog("Enter command, execed with sudo", "printenv SUDO_USER");
        String sudo_pass = null;
        {
            JTextField passwordField = new JPasswordField(8);
            Object[] ob = { passwordField };
            int result = JOptionPane.showConfirmDialog(null, ob, "Enter password for sudo", JOptionPane.OK_CANCEL_OPTION);
            if (result != JOptionPane.OK_OPTION) {
                System.exit(-1);
            }
            sudo_pass = passwordField.getText();
        }
        Channel channel = session.openChannel("exec");
        // man sudo
        //   -S  The -S (stdin) option causes sudo to read the password from the
        //       standard input instead of the terminal device.
        //   -p  The -p (prompt) option allows you to override the default
        //       password prompt and use a custom one.
        ((ChannelExec) channel).setCommand("sudo -S -p '' " + command);
        InputStream in = channel.getInputStream();
        OutputStream out = channel.getOutputStream();
        ((ChannelExec) channel).setErrStream(System.err);
        ((ChannelExec) channel).setPty(true);
        channel.connect();
        out.write((sudo_pass + "\n").getBytes());
        out.flush();
        byte[] tmp = new byte[1024];
        while (true) {
            while (in.available() > 0) {
                int i = in.read(tmp, 0, 1024);
                if (i < 0) {
                    break;
                }
                System.out.print(new String(tmp, 0, i));
            }
            if (channel.isClosed()) {
                System.out.println("exit-status: " + channel.getExitStatus());
                break;
            }
            try {
                Thread.sleep(1000);
            } catch (Exception ee) {
            }
        }
        channel.disconnect();
        session.disconnect();
    } catch (JSchException | HeadlessException | IOException e) {
        System.out.println(e);
    }
}

Example 2 with HeadlessException

use of java.awt.HeadlessException in project GNS by MobilityFirst.

the class ThroughputAsynchMultiClientTest method main.

/**
   * The main routine run from the command line.
   *
   * @param args
   * @throws Exception
   */
public static void main(String[] args) throws Exception {
    try {
        CommandLine parser = initializeOptions(args);
        if (parser.hasOption("help")) {
            printUsage();
            System.exit(1);
        }
        String alias = parser.getOptionValue("alias");
        String host = parser.getOptionValue("host");
        String port = parser.getOptionValue("port");
        boolean disableSSL = parser.hasOption("disableSSL");
        if (parser.hasOption("op") && ("update".equals(parser.getOptionValue("op")) || "write".equals(parser.getOptionValue("op")))) {
            doingReads = false;
            System.out.println("Testing updates");
        } else {
            doingReads = true;
            System.out.println("Testing reads");
        }
        int rate = (parser.hasOption("rate")) ? Integer.parseInt(parser.getOptionValue("rate")) : 1;
        int increment = (parser.hasOption("inc")) ? Integer.parseInt(parser.getOptionValue("inc")) : 10;
        numberOfClients = (parser.hasOption("clients")) ? Integer.parseInt(parser.getOptionValue("clients")) : DEFAULT_NUMBER_OF_CLIENTS;
        int requestsPerClient = (parser.hasOption("requests")) ? Integer.parseInt(parser.getOptionValue("requests")) : DEFAULT_NUMBER_REQUESTS_PER_CLIENT;
        numberOfGuids = (parser.hasOption("guids")) ? Integer.parseInt(parser.getOptionValue("guids")) : 1;
        updateAlias = parser.hasOption("updateAlias") ? parser.getOptionValue("updateAlias") : null;
        updateField = parser.hasOption("updateField") ? parser.getOptionValue("updateField") : DEFAULT_FIELD;
        updateValue = parser.hasOption("updateValue") ? parser.getOptionValue("updateValue") : DEFAULT_VALUE;
        ThroughputAsynchMultiClientTest test = new ThroughputAsynchMultiClientTest(alias);
        test.createSubGuidsAndWriteValue(parser.hasOption("useExistingGuids"));
        // prebuild a packet for each client
        for (int clientIndex = 0; clientIndex < numberOfClients; clientIndex++) {
            for (int i = 0; i < numberOfGuids; i++) {
                if (doingReads) {
                    commmandPackets[i][clientIndex] = createReadCommandPacket(clients[clientIndex], subGuids[i], updateField, masterGuid);
                } else {
                    JSONObject json = new JSONObject();
                    json.put(updateField, updateValue);
                    commmandPackets[i][clientIndex] = createUpdateCommandPacket(clients[clientIndex], subGuids[i], json, masterGuid);
                }
            }
        }
        if (parser.hasOption("inc")) {
            test.ramp(rate, increment, requestsPerClient);
        } else if (parser.hasOption("rate")) {
            test.ramp(rate, 0, requestsPerClient);
        } else {
            // should really do this earlier
            printUsage();
            System.exit(1);
        }
        // cleanup
        test.removeSubGuid();
        for (int i = 0; i < numberOfClients; i++) {
            clients[i].close();
        }
        System.exit(0);
    } catch (HeadlessException e) {
        System.out.println("When running headless you'll need to specify the host and port on the command line");
        printUsage();
        System.exit(1);
    }
}

Example 3 with HeadlessException

use of java.awt.HeadlessException in project bigbluebutton by bigbluebutton.

the class MouseLocationTaker method getMouseLocation.

private Point getMouseLocation() {
    PointerInfo pInfo;
    Point pointerLocation = new Point(0, 0);
    try {
        pInfo = MouseInfo.getPointerInfo();
    } catch (HeadlessException e) {
        pInfo = null;
    } catch (SecurityException e) {
        pInfo = null;
    }
    if (pInfo == null)
        return pointerLocation;
    return pInfo.getLocation();
}

Example 4 with HeadlessException

use of java.awt.HeadlessException in project jgnash by ccavanaugh.

the class CursorUtils method getCursor.

/**
     * Returns a custom cursor object of the type specified.
     *
     * @param type the type of the custom cursor as defined in this class
     * @return the specified custom cursor
     * @throws IllegalArgumentException if the specified cursor type is
     *                                  invalid
     */
public static Cursor getCursor(int type) {
    if (type < ZOOM_IN || type > ZOOM_OUT) {
        throw new IllegalArgumentException("illegal cursor type");
    }
    if (predefined[type] == null) {
        try {
            // See comment above the static variable.
            final Object[] props = cursorProperties[type];
            final String name = (String) props[0];
            final String resource = (String) props[1];
            final int[] spot = (int[]) props[2];
            final Point point = new Point(spot[0], spot[1]);
            final Toolkit tk = Toolkit.getDefaultToolkit();
            Image image = IconUtils.getImage(resource);
            predefined[type] = tk.createCustomCursor(image, point, name);
        } catch (IndexOutOfBoundsException | HeadlessException e) {
            // this would be an error in the properties
            predefined[type] = Cursor.getDefaultCursor();
            throw new RuntimeException(e);
        }
    }
    return predefined[type];
}

Example 5 with HeadlessException

use of java.awt.HeadlessException in project jdk8u_jdk by JetBrains.

the class WPrinterJob method pageDialog.

/* Instance Methods */
/**
     * Display a dialog to the user allowing the modification of a
     * PageFormat instance.
     * The <code>page</code> argument is used to initialize controls
     * in the page setup dialog.
     * If the user cancels the dialog, then the method returns the
     * original <code>page</code> object unmodified.
     * If the user okays the dialog then the method returns a new
     * PageFormat object with the indicated changes.
     * In either case the original <code>page</code> object will
     * not be modified.
     * @param     page    the default PageFormat presented to the user
     *                    for modification
     * @return    the original <code>page</code> object if the dialog
     *            is cancelled, or a new PageFormat object containing
     *            the format indicated by the user if the dialog is
     *            acknowledged
     * @exception HeadlessException if GraphicsEnvironment.isHeadless()
     * returns true.
     * @see java.awt.GraphicsEnvironment#isHeadless
     * @since     JDK1.2
     */
@Override
public PageFormat pageDialog(PageFormat page) throws HeadlessException {
    if (GraphicsEnvironment.isHeadless()) {
        throw new HeadlessException();
    }
    if (!(getPrintService() instanceof Win32PrintService)) {
        return super.pageDialog(page);
    }
    PageFormat pageClone = (PageFormat) page.clone();
    boolean result = false;
    /*
         * Fix for 4507585: show the native modal dialog the same way printDialog() does so
         * that it won't block event dispatching when called on EventDispatchThread.
         */
    WPageDialog dialog = new WPageDialog((Frame) null, this, pageClone, null);
    dialog.setRetVal(false);
    dialog.setVisible(true);
    result = dialog.getRetVal();
    dialog.dispose();
    // myService => current PrintService
    if (result && (myService != null)) {
        // It's possible that current printer is changed through
        // the "Printer..." button so we query again from native.
        String printerName = getNativePrintService();
        if (!myService.getName().equals(printerName)) {
            // we update the current PrintService
            try {
                setPrintService(Win32PrintServiceLookup.getWin32PrintLUS().getPrintServiceByName(printerName));
            } catch (PrinterException e) {
            }
        }
        // Update attributes, this will preserve the page settings.
        //  - same code as in RasterPrinterJob.java
        updatePageAttributes(myService, pageClone);
        return pageClone;
    } else {
        return page;
    }
}