Example usage for java.lang Process getClass

Introduction

In this page you can find the example usage for java.lang Process getClass.

Prototype

@HotSpotIntrinsicCandidate
public final native Class<?> getClass();

Source Link

Document

Returns the runtime class of this Object .

Usage

From source file:org.apache.nifi.bootstrap.RunNiFi.java

private Long getPid(final Process process, final Logger logger) {
    try {//from  w ww  . ja  va2 s  .  c  o m
        final Class<?> procClass = process.getClass();
        final Field pidField = procClass.getDeclaredField("pid");
        pidField.setAccessible(true);
        final Object pidObject = pidField.get(process);

        logger.debug("PID Object = {}", pidObject);

        if (pidObject instanceof Number) {
            return ((Number) pidObject).longValue();
        }
        return null;
    } catch (final IllegalAccessException | NoSuchFieldException nsfe) {
        logger.debug("Could not find PID for child process due to {}", nsfe);
        return null;
    }
}

From source file:la2launcher.MainFrame.java

private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton4ActionPerformed

    DefaultTableModel dtm = (DefaultTableModel) jTable1.getModel();
    int srow = jTable1.getSelectedRow();
    if (srow < 0) {
        return;// w  w w  .j a va2  s.c  o  m
    }
    Integer procid = (Integer) dtm.getValueAt(srow, 0);
    for (Process proc : procs) {
        if ((proc.hashCode() + "").equals(procid.toString())) {
            try {
                Field field = proc.getClass().getDeclaredField("handle");
                if (!field.isAccessible()) {
                    field.setAccessible(true);
                }
                long pid = field.getLong(proc);

                Kernel32 kernel = Kernel32.INSTANCE;
                W32API.HANDLE handle = new W32API.HANDLE();
                handle.setPointer(Pointer.createConstant(pid));
                long pid_ = kernel.GetProcessId(handle);

                User32 u32 = User32.INSTANCE;
                u32.EnumWindows(new WinUser.WNDENUMPROC() {
                    @Override
                    public boolean callback(WinDef.HWND hwnd, Pointer pntr) {
                        char[] windowText = new char[512];
                        u32.GetWindowText(hwnd, windowText, 512);
                        String wText = Native.toString(windowText);

                        if (wText.isEmpty()) {
                            return true;
                        }

                        if (wText.equals("Lineage II")) { //TODO: 111
                            IntByReference pid__ = new IntByReference();
                            u32.GetWindowThreadProcessId(hwnd, pid__);
                            if ((pid__.getValue() + "").equals(pid_ + "")) {
                                u32.SetForegroundWindow(hwnd);
                                lastHWND = hwnd;
                            }
                        }
                        return true;
                    }
                }, null);
            } catch (NoSuchFieldException ex) {
                Logger.getLogger(MainFrame.class.getName()).log(Level.SEVERE, null, ex);
            } catch (SecurityException ex) {
                Logger.getLogger(MainFrame.class.getName()).log(Level.SEVERE, null, ex);
            } catch (IllegalArgumentException ex) {
                Logger.getLogger(MainFrame.class.getName()).log(Level.SEVERE, null, ex);
            } catch (IllegalAccessException ex) {
                Logger.getLogger(MainFrame.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }

}

From source file:org.apache.nifi.minifi.bootstrap.RunMiNiFi.java

private Long getPid(final Process process, final Logger logger) {
    try {/*from w ww.j  a  v a  2 s  . c o m*/
        final Class<?> procClass = process.getClass();
        final Field pidField = procClass.getDeclaredField(PID_KEY);
        pidField.setAccessible(true);
        final Object pidObject = pidField.get(process);

        logger.debug("PID Object = {}", pidObject);

        if (pidObject instanceof Number) {
            return ((Number) pidObject).longValue();
        }
        return null;
    } catch (final IllegalAccessException | NoSuchFieldException nsfe) {
        logger.debug("Could not find PID for child process due to {}", nsfe);
        return null;
    }
}