/** Listener to handle button actions */
public void actionPerformed(ActionEvent e) {
// Check if the user changed the service filter option
if (e.getSource() == service_box) {
service_list.setEnabled(service_box.isSelected());
service_list.clearSelection();
remove_service_button.setEnabled(false);
add_service_field.setEnabled(service_box.isSelected());
add_service_field.setText("");
add_service_button.setEnabled(false);
}
// Check if the user pressed the add service button
if ((e.getSource() == add_service_button) || (e.getSource() == add_service_field)) {
String text = add_service_field.getText();
if ((text != null) && (text.length() > 0)) {
service_data.addElement(text);
service_list.setListData(service_data);
}
add_service_field.setText("");
add_service_field.requestFocus();
}
// Check if the user pressed the remove service button
if (e.getSource() == remove_service_button) {
Object[] sels = service_list.getSelectedValues();
for (int i = 0; i < sels.length; i++) {
service_data.removeElement(sels[i]);
}
service_list.setListData(service_data);
service_list.clearSelection();
}
}
private synchronized void broadcast(int i) {
ObjectOutputStream dataOut = null;
for (Enumeration e = clients.elements(); e.hasMoreElements(); ) {
dataOut = (ObjectOutputStream) (e.nextElement());
try {
dataOut.writeInt(i);
dataOut.flush();
} catch (Exception x) {
System.out.println(x.getMessage() + ": Failed to broadcast to client.");
clients.removeElement(dataOut);
}
}
}
public int sendAsync(final Message query, final ResolverListener listener) {
final int id = uniqueID(query);
if (workerthreads == null) workerthreads = new Vector();
WorkerThread t = null;
synchronized (workerthreads) {
if (workerthreads.size() > 0) {
t = (WorkerThread) workerthreads.firstElement();
workerthreads.removeElement(t);
}
}
if (t == null) {
t = new WorkerThread(this, workerthreads);
t.setDaemon(true);
t.start();
}
synchronized (t) {
t.assign(query, id, listener);
t.notify();
}
return id;
}
/**
* Remove a Connection event listener.
*
* <p>The default implementation provided here removes this listener from the internal list of
* ConnectionListeners.
*
* @param l the listener
* @see #addConnectionListener
*/
public void removeConnectionListener(ConnectionListener l) {
connectionListeners.removeElement(l);
}
public void removeConnection(connection c) {
connections.removeElement(c);
sendGlobalServerMsg("Benutzer " + c.getNickname() + " hat den Server verlassen");
}