for(int i = 0; i < trashTypes.size(); i++) {
// Somehow determine the new type
// to create, and create one:
Class tc =
(Class)trashTypes.elementAt(i);
if (tc.getName().indexOf(info.id) != -1) {
try {
// Get the dynamic constructor method
// that takes a double argument:
Constructor ctor =
tc.getConstructor(
new Class[] {double.class});
// Call the constructor to create a
// new object:
return (Trash)ctor.newInstance(
new Object[]{new Double(info.data)});
} catch(Exception ex) {
ex.printStackTrace();
throw new CannotCreateTrashException();
}
}
}
// Class was not in the list. Try to load it,
// but it must be in your class path!
try {
System.out.println("Loading " + info.id);
trashTypes.addElement(
Class.forName(info.id));
} catch(Exception e) {
e.printStackTrace();
throw new PrototypeNotFoundException();
}
// Loaded successfully. Recursive call
// should work this time:
return factory(info);
