10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowepackage sun.applet;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.applet.*;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.awt.*;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.awt.event.*;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.awt.image.ColorModel;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.awt.image.MemoryImageSource;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.io.*;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.lang.ref.WeakReference;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.lang.reflect.InvocationTargetException;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.lang.reflect.Method;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.net.InetAddress;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.net.JarURLConnection;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.net.MalformedURLException;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.net.SocketPermission;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.net.URL;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.net.UnknownHostException;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.security.*;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.util.*;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.util.Collections;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.util.Locale;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport java.util.WeakHashMap;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport javax.swing.SwingUtilities;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport sun.awt.AppContext;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport sun.awt.EmbeddedFrame;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport sun.awt.SunToolkit;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport sun.misc.MessageUtils;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport sun.misc.PerformanceLogger;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport sun.misc.Queue;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweimport sun.security.util.SecurityConstants;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweabstract class AppletPanel extends Panel implements AppletStub, Runnable {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Applet applet;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe protected boolean doInit = true;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe AppletClassLoader loader;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /* applet event ids */

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public final static int APPLET_DISPOSE = 0;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public final static int APPLET_LOAD = 1;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public final static int APPLET_INIT = 2;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public final static int APPLET_START = 3;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public final static int APPLET_STOP = 4;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public final static int APPLET_DESTROY = 5;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public final static int APPLET_QUIT = 6;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public final static int APPLET_ERROR = 7;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /* send to the parent to force relayout */

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public final static int APPLET_RESIZE = 51234;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /* sent to a (distant) parent to indicate that the applet is being

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public final static int APPLET_LOADING = 51235;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public final static int APPLET_LOADING_COMPLETED = 51236;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe protected int status;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Thread handler;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Dimension defaultAppletSize = new Dimension(10, 10);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Dimension currentAppletSize = new Dimension(10, 10);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe MessageUtils mu = new MessageUtils();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Thread loaderThread = null;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe boolean loadAbortRequest = false;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /* abstract classes */

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe abstract protected String getCode();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe abstract protected String getJarFiles();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe abstract protected String getSerializedObject();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe abstract public int getWidth();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe abstract public int getHeight();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe abstract public boolean hasInitialFocus();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe private static int threadGroupNumber = 0;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe protected void setupAppletAppContext() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // do nothing

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /*

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe synchronized void createAppletThread() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Create a thread group for the applet, and start a new

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // thread to load the applet.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe String nm = "applet-" + getCode();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loader = getClassLoader(getCodeBase(), getClassLoaderCacheKey());

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loader.grab(); // Keep this puppy around!

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // 4668479: Option to turn off codebase lookup in AppletClassLoader

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // during resource requests. [stanley.ho]

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe String param = getParameter("codebase_lookup");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (param != null && param.equals("false"))

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loader.setCodebaseLookup(false);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe else

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loader.setCodebaseLookup(true);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe ThreadGroup appletGroup = loader.getThreadGroup();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe handler = new Thread(appletGroup, this, "thread " + nm);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // set the context class loader for this thread

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe AccessController.doPrivileged(new PrivilegedAction() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public Object run() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe handler.setContextClassLoader(loader);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return null;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe });

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe handler.start();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe void joinAppletThread() throws InterruptedException {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (handler != null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe handler.join();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe handler = null;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe void release() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (loader != null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loader.release();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loader = null;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public void init() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe try {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Get the width (if any)

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe defaultAppletSize.width = getWidth();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe currentAppletSize.width = defaultAppletSize.width;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Get the height (if any)

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe defaultAppletSize.height = getHeight();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe currentAppletSize.height = defaultAppletSize.height;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (NumberFormatException e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Turn on the error flag and let TagAppletPanel

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // do the right thing.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_ERROR;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("badattribute.exception");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletLog("badattribute.exception");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletException(e);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe setLayout(new BorderLayout());

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe createAppletThread();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public Dimension minimumSize() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return new Dimension(defaultAppletSize.width,

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe defaultAppletSize.height);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public Dimension preferredSize() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return new Dimension(currentAppletSize.width,

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe currentAppletSize.height);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe private AppletListener listeners;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe private Queue queue = null;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe synchronized public void addAppletListener(AppletListener l) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe listeners = AppletEventMulticaster.add(listeners, l);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe synchronized public void removeAppletListener(AppletListener l) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe listeners = AppletEventMulticaster.remove(listeners, l);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public void dispatchAppletEvent(int id, Object argument) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe //System.out.println("SEND= " + id);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (listeners != null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe AppletEvent evt = new AppletEvent(this, id, argument);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe listeners.appletStateChanged(evt);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public void sendEvent(int id) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe synchronized(this) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (queue == null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe //System.out.println("SEND0= " + id);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe queue = new Queue();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Integer eventId = Integer.valueOf(id);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe queue.enqueue(eventId);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe notifyAll();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (id == APPLET_QUIT) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe try {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe joinAppletThread(); // Let the applet event handler exit

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (InterruptedException e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // AppletClassLoader.release() must be called by a Thread

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // not within the applet's ThreadGroup

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (loader == null)

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loader = getClassLoader(getCodeBase(), getClassLoaderCacheKey());

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe release();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe synchronized AppletEvent getNextEvent() throws InterruptedException {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe while (queue == null || queue.isEmpty()) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe wait();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Integer eventId = (Integer)queue.dequeue();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return new AppletEvent(this, eventId.intValue(), null);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe boolean emptyEventQueue() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if ((queue == null) || (queue.isEmpty()))

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return true;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe else

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return false;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe private void setExceptionStatus(AccessControlException e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Permission p = e.getPermission();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (p instanceof RuntimePermission) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (p.getName().startsWith("modifyThread")) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (loader == null)

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loader = getClassLoader(getCodeBase(), getClassLoaderCacheKey());

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loader.setExceptionStatus();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public void run() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Thread curThread = Thread.currentThread();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (curThread == loaderThread) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // if we are in the loader thread, cause

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // loading to occur. We may exit this with

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // status being APPLET_DISPOSE, APPLET_ERROR,

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // or APPLET_LOAD

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe runLoader();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe boolean disposed = false;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe while (!disposed && !curThread.isInterrupted()) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe AppletEvent evt;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe try {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe evt = getNextEvent();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (InterruptedException e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("bail");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe //showAppletStatus("EVENT = " + evt.getID());

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe try {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe switch (evt.getID()) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe case APPLET_LOAD:

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (!okToLoad()) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe break;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // This complexity allows loading of applets to be

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // interruptable. The actual thread loading runs

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // in a separate thread, so it can be interrupted

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // without harming the applet thread.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // So that we don't have to worry about

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // concurrency issues, the main applet thread waits

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // until the loader thread terminates.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // (one way or another).

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (loaderThread == null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // REMIND: do we want a name?

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe //System.out.println("------------------- loading applet");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe setLoaderThread(new Thread(this));

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loaderThread.start();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // we get to go to sleep while this runs

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loaderThread.join();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe setLoaderThread(null);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } else {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // REMIND: issue an error -- this case should never

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // occur.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe break;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe case APPLET_INIT:

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // AppletViewer "Restart" will jump from destroy method to

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // init, that is why we need to check status w/ APPLET_DESTROY

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (status != APPLET_LOAD && status != APPLET_DESTROY) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("notloaded");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe break;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe applet.resize(defaultAppletSize);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (doInit) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (PerformanceLogger.loggingEnabled()) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe PerformanceLogger.setTime("Applet Init");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe PerformanceLogger.outputLog();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe applet.init();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe //Need the default(fallback) font to be created in this AppContext

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Font f = getFont();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (f == null ||

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe "dialog".equals(f.getFamily().toLowerCase(Locale.ENGLISH)) &&

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe f.getSize() == 12 && f.getStyle() == Font.PLAIN) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe setFont(new Font(Font.DIALOG, Font.PLAIN, 12));

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe doInit = true; // allow restarts

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Validate the applet in event dispatch thread

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // to avoid deadlock.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe try {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe final AppletPanel p = this;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe SwingUtilities.invokeAndWait(new Runnable() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public void run() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe p.validate();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe });

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe catch(InterruptedException ie) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe catch(InvocationTargetException ite) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_INIT;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("inited");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe break;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe case APPLET_START:

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (status != APPLET_INIT && status != APPLET_STOP) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("notinited");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe break;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe applet.resize(currentAppletSize);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe applet.start();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Validate and show the applet in event dispatch thread

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // to avoid deadlock.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe try {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe final AppletPanel p = this;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe final Applet a = applet;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe SwingUtilities.invokeAndWait(new Runnable() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public void run() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe p.validate();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe a.setVisible(true);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Fix for BugTraq ID 4041703.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Set the default focus for an applet.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (hasInitialFocus())

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe setDefaultFocus();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe });

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe catch(InterruptedException ie) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe catch(InvocationTargetException ite) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_START;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("started");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe break;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe case APPLET_STOP:

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (status != APPLET_START) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("notstarted");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe break;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_STOP;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Hide the applet in event dispatch thread

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // to avoid deadlock.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe try {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe final Applet a = applet;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe SwingUtilities.invokeAndWait(new Runnable() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public void run()

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe a.setVisible(false);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe });

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe catch(InterruptedException ie) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe catch(InvocationTargetException ite) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // During Applet.stop(), any AccessControlException on an involved Class remains in

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // the "memory" of the AppletClassLoader. If the same instance of the ClassLoader is

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // reused, the same exception will occur during class loading. Set the AppletClassLoader's

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // exceptionStatusSet flag to allow recognition of what had happened

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // when reusing AppletClassLoader object.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe try {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe applet.stop();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (java.security.AccessControlException e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe setExceptionStatus(e);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // rethrow exception to be handled as it normally would be.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe throw e;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("stopped");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe break;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe case APPLET_DESTROY:

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (status != APPLET_STOP && status != APPLET_INIT) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("notstopped");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe break;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_DESTROY;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // During Applet.destroy(), any AccessControlException on an involved Class remains in

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // the "memory" of the AppletClassLoader. If the same instance of the ClassLoader is

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // reused, the same exception will occur during class loading. Set the AppletClassLoader's

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // exceptionStatusSet flag to allow recognition of what had happened

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // when reusing AppletClassLoader object.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe try {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe applet.destroy();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (java.security.AccessControlException e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe setExceptionStatus(e);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // rethrow exception to be handled as it normally would be.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe throw e;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("destroyed");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe break;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe case APPLET_DISPOSE:

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (status != APPLET_DESTROY && status != APPLET_LOAD) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("notdestroyed");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe break;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_DISPOSE;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe try

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe final Applet a = applet;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe EventQueue.invokeAndWait(new Runnable()

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public void run()

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe remove(a);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe });

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe catch(InterruptedException ie)

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe catch(InvocationTargetException ite)

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe applet = null;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("disposed");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe disposed = true;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe break;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe case APPLET_QUIT:

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (Exception e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_ERROR;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (e.getMessage() != null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("exception2", e.getClass().getName(),

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe e.getMessage());

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } else {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("exception", e.getClass().getName());

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletException(e);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (ThreadDeath e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("death");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (Error e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_ERROR;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (e.getMessage() != null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("error2", e.getClass().getName(),

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe e.getMessage());

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } else {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("error", e.getClass().getName());

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletException(e);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe clearLoadAbortRequest();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe private Component getMostRecentFocusOwnerForWindow(Window w) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Method meth = (Method)AccessController.doPrivileged(new PrivilegedAction() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public Object run() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Method meth = null;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe try {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe meth = KeyboardFocusManager.class.getDeclaredMethod("getMostRecentFocusOwner", new Class[] {Window.class});

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe meth.setAccessible(true);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (Exception e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Must never happen

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe e.printStackTrace();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return meth;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe });

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (meth != null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Meth refers static method

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe try {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return (Component)meth.invoke(null, new Object[] {w});

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (Exception e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Must never happen

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe e.printStackTrace();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Will get here if exception was thrown or meth is null

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return w.getMostRecentFocusOwner();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /*

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe private void setDefaultFocus() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Component toFocus = null;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Container parent = getParent();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if(parent != null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (parent instanceof Window) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe toFocus = getMostRecentFocusOwnerForWindow((Window)parent);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (toFocus == parent || toFocus == null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe toFocus = parent.getFocusTraversalPolicy().

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe getInitialComponent((Window)parent);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } else if (parent.isFocusCycleRoot()) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe toFocus = parent.getFocusTraversalPolicy().

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe getDefaultComponent(parent);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (toFocus != null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (parent instanceof EmbeddedFrame) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe ((EmbeddedFrame)parent).synthesizeWindowActivation(true);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // EmbeddedFrame might have focus before the applet was added.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Thus after its activation the most recent focus owner will be

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // restored. We need the applet's initial focusabled component to

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // be focused here.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe toFocus.requestFocusInWindow();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe private void runLoader() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (status != APPLET_DISPOSE) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("notdisposed");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe dispatchAppletEvent(APPLET_LOADING, null);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // REMIND -- might be cool to visually indicate loading here --

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // maybe do animation?

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_LOAD;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Create a class loader

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loader = getClassLoader(getCodeBase(), getClassLoaderCacheKey());

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Load the archives if present.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // REMIND - this probably should be done in a separate thread,

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // or at least the additional archives (epll).

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe String code = getCode();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // setup applet AppContext

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // this must be called before loadJarFiles

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe setupAppletAppContext();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe try {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loadJarFiles(loader);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe applet = createApplet(loader);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (ClassNotFoundException e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_ERROR;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("notfound", code);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletLog("notfound", code);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletException(e);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (InstantiationException e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_ERROR;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("nocreate", code);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletLog("nocreate", code);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletException(e);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (IllegalAccessException e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_ERROR;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("noconstruct", code);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletLog("noconstruct", code);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletException(e);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // sbb -- I added a return here

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (Exception e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_ERROR;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("exception", e.getMessage());

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletException(e);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (ThreadDeath e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_ERROR;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("death");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (Error e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_ERROR;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("error", e.getMessage());

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletException(e);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } finally {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // notify that loading is no longer going on

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe dispatchAppletEvent(APPLET_LOADING_COMPLETED, null);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Fixed #4508194: NullPointerException thrown during

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // quick page switch

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe //

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (applet != null)

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Stick it in the frame

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe applet.setStub(this);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe applet.hide();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe add("Center", applet);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("loaded");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe validate();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe protected Applet createApplet(final AppletClassLoader loader) throws ClassNotFoundException,

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe IllegalAccessException, IOException, InstantiationException, InterruptedException {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe final String serName = getSerializedObject();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe String code = getCode();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (code != null && serName != null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe System.err.println(amh.getMessage("runloader.err"));

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe throw new InstantiationException("Either \"code\" or \"object\" should be specified, but not both.");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (code == null && serName == null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe String msg = "nocode";

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_ERROR;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus(msg);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletLog(msg);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe repaint();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (code != null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe applet = (Applet)loader.loadCode(code).newInstance();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe doInit = true;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } else {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // serName is not null;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe InputStream is = (InputStream)

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe java.security.AccessController.doPrivileged(

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe new java.security.PrivilegedAction() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public Object run() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return loader.getResourceAsStream(serName);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe });

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe ObjectInputStream ois =

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe new AppletObjectInputStream(is, loader);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Object serObject = ois.readObject();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe applet = (Applet) serObject;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe doInit = false; // skip over the first init

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Determine the JDK level that the applet targets.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // This is critical for enabling certain backward

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // compatibility switch if an applet is a JDK 1.1

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // applet. [stanley.ho]

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe findAppletJDKLevel(applet);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (Thread.interrupted()) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe try {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe status = APPLET_DISPOSE; // APPLET_ERROR?

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe applet = null;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // REMIND: This may not be exactly the right thing: the

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // status is set by the stop button and not necessarily

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // here.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe showAppletStatus("death");

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } finally {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe Thread.currentThread().interrupt(); // resignal interrupt

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return null;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return applet;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe protected void loadJarFiles(AppletClassLoader loader) throws IOException,

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe InterruptedException {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // Load the archives if present.

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // REMIND - this probably should be done in a separate thread,

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // or at least the additional archives (epll).

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe String jarFiles = getJarFiles();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (jarFiles != null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe StringTokenizer st = new StringTokenizer(jarFiles, ",", false);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe while(st.hasMoreTokens()) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe String tok = st.nextToken().trim();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe try {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loader.addJar(tok);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } catch (IllegalArgumentException e) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // bad archive name

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe continue;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe protected synchronized void stopLoading() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe // REMIND: fill in the body

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (loaderThread != null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe //System.out.println("Interrupting applet loader thread: " + loaderThread);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loaderThread.interrupt();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe } else {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe setLoadAbortRequest();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe protected synchronized boolean okToLoad() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return !loadAbortRequest;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe protected synchronized void clearLoadAbortRequest() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loadAbortRequest = false;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe protected synchronized void setLoadAbortRequest() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe loadAbortRequest = true;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe private synchronized void setLoaderThread(Thread loaderThread) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe this.loaderThread = loaderThread;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public boolean isActive() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return status == APPLET_START;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe private EventQueue appEvtQ = null;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public void appletResize(int width, int height) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe currentAppletSize.width = width;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe currentAppletSize.height = height;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe final Dimension currentSize = new Dimension(currentAppletSize.width,

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe currentAppletSize.height);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if(loader != null) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe AppContext appCtxt = loader.getAppContext();

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if(appCtxt != null)

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe appEvtQ = (java.awt.EventQueue)appCtxt.get(AppContext.EVENT_QUEUE_KEY);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe final AppletPanel ap = this;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if (appEvtQ != null){

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe appEvtQ.postEvent(new InvocationEvent(Toolkit.getDefaultToolkit(),

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe new Runnable(){

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public void run(){

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe if(ap != null)

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe ap.dispatchAppletEvent(APPLET_RESIZE, currentSize);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }));

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public void setBounds(int x, int y, int width, int height) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe super.setBounds(x, y, width, height);

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe currentAppletSize.width = width;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe currentAppletSize.height = height;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe public Applet getApplet() {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe return applet;

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe /**

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe protected void showAppletStatus(String status) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe getAppletContext().showStatus(amh.getMessage(status));

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe }

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe protected void showAppletStatus(String status, Object arg) {

10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe getAppletContext().showStatus(amh.getMessage(status, arg));

}

protected void showAppletStatus(String status, Object arg1, Object arg2) {

getAppletContext().showStatus(amh.getMessage(status, arg1, arg2));

}

/**

protected void showAppletLog(String msg) {

System.out.println(amh.getMessage(msg));

}

protected void showAppletLog(String msg, Object arg) {

System.out.println(amh.getMessage(msg, arg));

}

/**

protected void showAppletException(Throwable t) {

t.printStackTrace();

repaint();

}

/**

public String getClassLoaderCacheKey()

{

/**

return getCodeBase().toString();

}

/**

private static HashMap classloaders = new HashMap();

/**

public static synchronized void flushClassLoader(String key) {

classloaders.remove(key);

}

/**

public static synchronized void flushClassLoaders() {

classloaders = new HashMap();

}

/**

protected AppletClassLoader createClassLoader(final URL codebase) {

return new AppletClassLoader(codebase);

}

/**

synchronized AppletClassLoader getClassLoader(final URL codebase, final String key) {

AppletClassLoader c = (AppletClassLoader)classloaders.get(key);

if (c == null) {

AccessControlContext acc =

getAccessControlContext(codebase);

c = (AppletClassLoader)

AccessController.doPrivileged(new PrivilegedAction() {

public Object run() {

AppletClassLoader ac = createClassLoader(codebase);

/* Should the creation of the classloader be

synchronized (getClass()) {

AppletClassLoader res =

(AppletClassLoader)classloaders.get(key);

if (res == null) {

classloaders.put(key, ac);

return ac;

} else {

return res;

}

}

}

},acc);

}

return c;

}

/**

private AccessControlContext getAccessControlContext(final URL codebase) {

PermissionCollection perms = (PermissionCollection)

AccessController.doPrivileged(new PrivilegedAction() {

public Object run() {

Policy p = java.security.Policy.getPolicy();

if (p != null) {

return p.getPermissions(new CodeSource(null,

(java.security.cert.Certificate[]) null));

} else {

return null;

}

}

});

if (perms == null)

perms = new Permissions();

//XXX: this is needed to be able to create the classloader itself!

perms.add(SecurityConstants.CREATE_CLASSLOADER_PERMISSION);

Permission p;

java.net.URLConnection urlConnection = null;

try {

urlConnection = codebase.openConnection();

p = urlConnection.getPermission();

} catch (java.io.IOException ioe) {

p = null;

}

if (p != null)

perms.add(p);

if (p instanceof FilePermission) {

String path = p.getName();

int endIndex = path.lastIndexOf(File.separatorChar);

if (endIndex != -1) {

path = path.substring(0, endIndex+1);

if (path.endsWith(File.separator)) {

path += "-";

}

perms.add(new FilePermission(path,

SecurityConstants.FILE_READ_ACTION));

}

} else {

URL locUrl = codebase;

if (urlConnection instanceof JarURLConnection) {

locUrl = ((JarURLConnection)urlConnection).getJarFileURL();

}

String host = locUrl.getHost();

if (host != null && (host.length() > 0))

perms.add(new SocketPermission(host,

SecurityConstants.SOCKET_CONNECT_ACCEPT_ACTION));

}

ProtectionDomain domain =

new ProtectionDomain(new CodeSource(codebase,

(java.security.cert.Certificate[]) null), perms);

AccessControlContext acc =

new AccessControlContext(new ProtectionDomain[] { domain });

return acc;

}

public Thread getAppletHandlerThread() {

return handler;

}

public int getAppletWidth() {

return currentAppletSize.width;

}

public int getAppletHeight() {

return currentAppletSize.height;

}

public static void changeFrameAppContext(Frame frame, AppContext newAppContext)

{

// Fixed #4754451: Applet can have methods running on main

// thread event queue.

//

// The cause of this bug is that the frame of the applet

// is created in main thread group. Thus, when certain

// AWT/Swing events are generated, the events will be

// dispatched through the wrong event dispatch thread.

//

// To fix this, we rearrange the AppContext with the frame,

// so the proper event queue will be looked up.

//

// Swing also maintains a Frame list for the AppContext,

// so we will have to rearrange it as well.

// Check if frame's AppContext has already been set properly

AppContext oldAppContext = SunToolkit.targetToAppContext(frame);

if (oldAppContext == newAppContext)

return;

// Synchronization on Window.class is needed for locking the

// critical section of the window list in AppContext.

synchronized (Window.class)

{

WeakReference weakRef = null;

// Remove frame from the Window list in wrong AppContext

{

// Lookup current frame's AppContext

Vector<WeakReference<Window>> windowList = (Vector<WeakReference<Window>>)oldAppContext.get(Window.class);

if (windowList != null) {

for (WeakReference ref : windowList) {

if (ref.get() == frame) {

weakRef = ref;

break;

}

}

// Remove frame from wrong AppContext

if (weakRef != null)

windowList.remove(weakRef);

}

}

// Put the frame into the applet's AppContext map

SunToolkit.insertTargetMapping(frame, newAppContext);

// Insert frame into the Window list in the applet's AppContext map

{

Vector<WeakReference<Window>> windowList = (Vector)newAppContext.get(Window.class);

if (windowList == null) {

windowList = new Vector<WeakReference<Window>>();

newAppContext.put(Window.class, windowList);

}

// use the same weakRef here as it is used elsewhere

windowList.add(weakRef);

}

}

}

// Flag to indicate if applet is targeted for JDK 1.1.

private boolean jdk11Applet = false;

// Flag to indicate if applet is targeted for JDK 1.2.

private boolean jdk12Applet = false;

/**

private void findAppletJDKLevel(Applet applet)

{

// To determine the JDK level of an applet, the

// most reliable way is to check the major version

// of the applet class file.

// synchronized on applet class object, so calling from

// different instances of the same applet will be

// serialized.

Class appletClass = applet.getClass();

synchronized(appletClass) {

// Determine if the JDK level of an applet has been

// checked before.

Boolean jdk11Target = (Boolean) loader.isJDK11Target(appletClass);

Boolean jdk12Target = (Boolean) loader.isJDK12Target(appletClass);

// if applet JDK level has been checked before, retrieve

// value and return.

if (jdk11Target != null || jdk12Target != null) {

jdk11Applet = (jdk11Target == null) ? false : jdk11Target.booleanValue();

jdk12Applet = (jdk12Target == null) ? false : jdk12Target.booleanValue();

return;

}

String name = appletClass.getName();

// first convert any '.' to '/'

name = name.replace('.', '/');

// append .class

final String resourceName = name + ".class";

InputStream is = null;

byte[] classHeader = new byte[8];

try {

is = (InputStream) java.security.AccessController.doPrivileged(

new java.security.PrivilegedAction() {

public Object run() {

return loader.getResourceAsStream(resourceName);

}

});

// Read the first 8 bytes of the class file

int byteRead = is.read(classHeader, 0, 8);

is.close();

// return if the header is not read in entirely

// for some reasons.

if (byteRead != 8)

return;

}

catch (IOException e) {

return;

}

// Check major version in class file header

int major_version = readShort(classHeader, 6);

// Major version in class file is as follows:

// 45 - JDK 1.1

// 46 - JDK 1.2

// 47 - JDK 1.3

// 48 - JDK 1.4

// 49 - JDK 1.5

if (major_version < 46)

jdk11Applet = true;

else if (major_version == 46)

jdk12Applet = true;

// Store applet JDK level in AppContext for later lookup,

// e.g. page switch.

loader.setJDK11Target(appletClass, jdk11Applet);

loader.setJDK12Target(appletClass, jdk12Applet);

}

}

/**

protected boolean isJDK11Applet() {

return jdk11Applet;

}

/**

protected boolean isJDK12Applet() {

return jdk12Applet;

}

/**

private int readShort(byte[] b, int off) {

int hi = readByte(b[off]);

int lo = readByte(b[off + 1]);

return (hi << 8) | lo;

}

private int readByte(byte b) {

return ((int)b) & 0xFF;

}

private static AppletMessageHandler amh = new AppletMessageHandler("appletpanel");

}