/** * This method represents the application code that we'd like to run on a separate thread. It * simulates slowly computing a value, in this case just a string 'All Done'. It updates the * progress bar every half second to remind the user that we're still busy. */ Object doWork() { try { for (int i = 0; i < NUMLOOPS; i++) { updateStatus(i); if (Thread.interrupted()) { throw new InterruptedException(); } Thread.sleep(500); } } catch (InterruptedException e) { updateStatus(0); return "Interrupted"; // SwingWorker.get() returns this } return "All Done"; // or this }
protected Applet createApplet(final AppletClassLoader loader) throws ClassNotFoundException, IllegalAccessException, IOException, InstantiationException, InterruptedException { String code = getCode(); if (code != null) { applet = (Applet) loader.loadCode(code).newInstance(); } else { String msg = "nocode"; status = APPLET_ERROR; showAppletStatus(msg); showAppletLog(msg); repaint(); } // Determine the JDK level that the applet targets. // This is critical for enabling certain backward // compatibility switch if an applet is a JDK 1.1 // applet. [stanley.ho] findAppletJDKLevel(applet); if (Thread.interrupted()) { try { status = APPLET_DISPOSE; // APPLET_ERROR? applet = null; // REMIND: This may not be exactly the right thing: the // status is set by the stop button and not necessarily // here. showAppletStatus("death"); } finally { Thread.currentThread().interrupt(); // resignal interrupt } return null; } return applet; }
public void run() { try { Thread drawthread = new HackThread(drawfun, "Render thread"); drawthread.start(); synchronized (drawfun) { while (state == null) drawfun.wait(); } try { long now, then; long frames[] = new long[128]; int framep = 0, waited[] = new int[128]; while (true) { int fwaited = 0; Debug.cycle(); UI ui = this.ui; then = System.currentTimeMillis(); CPUProfile.Frame curf = null; if (Config.profile) curf = uprof.new Frame(); synchronized (ui) { if (ui.sess != null) ui.sess.glob.ctick(); dispatch(); ui.tick(); if ((ui.root.sz.x != w) || (ui.root.sz.y != h)) ui.root.resize(new Coord(w, h)); } if (curf != null) curf.tick("dsp"); BGL buf = new BGL(); GLState.Applier state = this.state; rootdraw(state, ui, buf); if (curf != null) curf.tick("draw"); synchronized (drawfun) { now = System.currentTimeMillis(); while (bufdraw != null) drawfun.wait(); bufdraw = new Frame(buf, state.cgl); drawfun.notifyAll(); fwaited += System.currentTimeMillis() - now; } ui.audio.cycle(); if (curf != null) curf.tick("aux"); now = System.currentTimeMillis(); long fd = bgmode ? this.bgfd : this.fd; if (now - then < fd) { synchronized (events) { events.wait(fd - (now - then)); } fwaited += System.currentTimeMillis() - now; } frames[framep] = now; waited[framep] = fwaited; for (int i = 0, ckf = framep, twait = 0; i < frames.length; i++) { ckf = (ckf - 1 + frames.length) % frames.length; twait += waited[ckf]; if (now - frames[ckf] > 1000) { fps = i; uidle = ((double) twait) / ((double) (now - frames[ckf])); break; } } framep = (framep + 1) % frames.length; if (curf != null) curf.tick("wait"); if (curf != null) curf.fin(); if (Thread.interrupted()) throw (new InterruptedException()); } } finally { drawthread.interrupt(); drawthread.join(); } } catch (InterruptedException e) { } finally { ui.destroy(); } }