/** Print the HTML tag. */
public static void printTag(PrintStream out, Hashtable atts) {
out.print("<applet");
String v = (String) atts.get("codebase");
if (v != null) {
out.print(" codebase=\"" + v + "\"");
}
v = (String) atts.get("code");
if (v == null) {
v = "applet.class";
}
out.print(" code=\"" + v + "\"");
v = (String) atts.get("width");
if (v == null) {
v = "150";
}
out.print(" width=" + v);
v = (String) atts.get("height");
if (v == null) {
v = "100";
}
out.print(" height=" + v);
v = (String) atts.get("name");
if (v != null) {
out.print(" name=\"" + v + "\"");
}
out.println(">");
// A very slow sorting algorithm
int len = atts.size();
String params[] = new String[len];
len = 0;
for (Enumeration e = atts.keys(); e.hasMoreElements(); ) {
String param = (String) e.nextElement();
int i = 0;
for (; i < len; i++) {
if (params[i].compareTo(param) >= 0) {
break;
}
}
System.arraycopy(params, i, params, i + 1, len - i);
params[i] = param;
len++;
}
for (int i = 0; i < len; i++) {
String param = params[i];
if (systemParam.get(param) == null) {
out.println("<param name=" + param + " value=\"" + atts.get(param) + "\">");
}
}
out.println("</applet>");
}
private static void checkConnect(URL url) {
SecurityManager security = System.getSecurityManager();
if (security != null) {
try {
j86.java.security.Permission perm = url.openConnection().getPermission();
if (perm != null) security.checkPermission(perm);
else security.checkConnect(url.getHost(), url.getPort());
} catch (j86.java.io.IOException ioe) {
security.checkConnect(url.getHost(), url.getPort());
}
}
}
/** Return an enumeration of all the accessible applets on this page. */
public Enumeration getApplets() {
AppletSecurity security = (AppletSecurity) System.getSecurityManager();
Vector v = new Vector();
SocketPermission panelSp = new SocketPermission(panel.getCodeBase().getHost(), "connect");
for (Enumeration e = appletPanels.elements(); e.hasMoreElements(); ) {
AppletPanel p = (AppletPanel) e.nextElement();
if (p.getDocumentBase().equals(panel.getDocumentBase())) {
SocketPermission sp = new SocketPermission(p.getCodeBase().getHost(), "connect");
if (panelSp.implies(sp)) {
v.addElement(p.applet);
}
}
}
return v.elements();
}
/** Get an applet by name. */
public Applet getApplet(String name) {
AppletSecurity security = (AppletSecurity) System.getSecurityManager();
name = name.toLowerCase();
SocketPermission panelSp = new SocketPermission(panel.getCodeBase().getHost(), "connect");
for (Enumeration e = appletPanels.elements(); e.hasMoreElements(); ) {
AppletPanel p = (AppletPanel) e.nextElement();
String param = p.getParameter("name");
if (param != null) {
param = param.toLowerCase();
}
if (name.equals(param) && p.getDocumentBase().equals(panel.getDocumentBase())) {
SocketPermission sp = new SocketPermission(p.getCodeBase().getHost(), "connect");
if (panelSp.implies(sp)) {
return p.applet;
}
}
}
return null;
}
/**
* Send the initial set of events to the appletviewer event queue. On start-up the current
* behaviour is to load the applet and call Applet.init() and Applet.start().
*/
private void initEventQueue() {
// appletviewer.send.event is an undocumented and unsupported system
// property which is used exclusively for testing purposes.
String eventList = System.getProperty("appletviewer.send.event");
if (eventList == null) {
// Add the standard events onto the event queue.
panel.sendEvent(AppletPanel.APPLET_LOAD);
panel.sendEvent(AppletPanel.APPLET_INIT);
panel.sendEvent(AppletPanel.APPLET_START);
} else {
// We're testing AppletViewer. Force the specified set of events
// onto the event queue, wait for the events to be processed, and
// exit.
// The list of events that will be executed is provided as a
// ","-separated list. No error-checking will be done on the list.
String[] events = splitSeparator(",", eventList);
for (int i = 0; i < events.length; i++) {
System.out.println("Adding event to queue: " + events[i]);
if (events[i].equals("dispose")) panel.sendEvent(AppletPanel.APPLET_DISPOSE);
else if (events[i].equals("load")) panel.sendEvent(AppletPanel.APPLET_LOAD);
else if (events[i].equals("init")) panel.sendEvent(AppletPanel.APPLET_INIT);
else if (events[i].equals("start")) panel.sendEvent(AppletPanel.APPLET_START);
else if (events[i].equals("stop")) panel.sendEvent(AppletPanel.APPLET_STOP);
else if (events[i].equals("destroy")) panel.sendEvent(AppletPanel.APPLET_DESTROY);
else if (events[i].equals("quit")) panel.sendEvent(AppletPanel.APPLET_QUIT);
else if (events[i].equals("error")) panel.sendEvent(AppletPanel.APPLET_ERROR);
else
// non-fatal error if we get an unrecognized event
System.out.println("Unrecognized event name: " + events[i]);
}
while (!panel.emptyEventQueue()) ;
appletSystemExit();
}
}
/** Exit the program. Exit from the program (if not stand alone) - do no clean-up */
private void appletSystemExit() {
if (factory.isStandalone()) System.exit(0);
}