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package NET.worlds.console;
import NET.worlds.scape.BumpEventTemp;
import NET.worlds.scape.BumpHandler;
import NET.worlds.scape.NoSuchPropertyException;
import NET.worlds.scape.Portal;
import NET.worlds.scape.Restorer;
import NET.worlds.scape.Room;
import NET.worlds.scape.Saver;
import NET.worlds.scape.SuperRoot;
import NET.worlds.scape.TooNewException;
import NET.worlds.scape.VectorProperty;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Vector;
public class RemoveHandler extends SuperRoot implements BumpHandler {
private Vector<Object> handlers = new Vector<Object>(1);
private static Object classCookie = new Object();
public RemoveHandler() {
}
public RemoveHandler(SuperRoot oldhandler) {
this.handlers.addElement(oldhandler);
}
@Override
public boolean handle(BumpEventTemp e) {
Room sc = ((Portal)e.target).getRoom();
assert sc instanceof Staircase || sc instanceof Stair;
Enumeration<Object> enh = this.handlers.elements();
while (enh.hasMoreElements()) {
SuperRoot handler = (SuperRoot)enh.nextElement();
if (sc.hasHandler(handler)) {
sc.removeHandler(handler);
}
}
return true;
}
@Override
public void saveState(Saver s) throws IOException {
s.saveVersion(2, classCookie);
super.saveState(s);
s.saveVector(this.handlers);
}
@Override
public void restoreState(Restorer r) throws IOException, TooNewException {
switch (r.restoreVersion(classCookie)) {
case 1:
super.restoreState(r);
case 0:
if (r.restoreBoolean()) {
this.handlers.addElement(r.restore());
}
break;
case 2:
super.restoreState(r);
this.handlers = r.restoreVector();
break;
default:
throw new TooNewException();
}
}
@Override
public Object properties(int index, int offset, int mode, Object value) throws NoSuchPropertyException {
Object ret = null;
switch (index - offset) {
case 0:
if (mode == 0) {
ret = new VectorProperty(this, index, "Handlers to Remove");
} else if (mode == 1) {
ret = this.handlers.clone();
} else if (mode == 4) {
this.handlers.removeElement(value);
} else if (mode == 3) {
this.handlers.addElement(value);
}
break;
default:
ret = super.properties(index, offset + 1, mode, value);
}
return ret;
}
}
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