public Mixin create() {
if (classes == null && delegates == null) {
throw new IllegalStateException("Either classes or delegates must be set");
}
switch (style) {
case STYLE_INTERFACES:
if (classes == null) {
Route r = route(delegates);
classes = r.classes;
route = r.route;
}
break;
case STYLE_BEANS:
// fall-through
case STYLE_EVERYTHING:
if (classes == null) {
classes = ReflectUtils.getClasses(delegates);
} else {
if (delegates != null) {
Class[] temp = ReflectUtils.getClasses(delegates);
if (classes.length != temp.length) {
throw new IllegalStateException(
"Specified classes are incompatible with delegates");
}
for (int i = 0; i < classes.length; i++) {
if (!classes[i].isAssignableFrom(temp[i])) {
throw new IllegalStateException(
"Specified class "
+ classes[i]
+ " is incompatible with delegate class "
+ temp[i]
+ " (index "
+ i
+ ")");
}
}
}
}
}
setNamePrefix(classes[ReflectUtils.findPackageProtected(classes)].getName());
return (Mixin)
super.create(KEY_FACTORY.newInstance(style, ReflectUtils.getNames(classes), route));
}
Route(Object[] delegates) {
Map map = new HashMap();
ArrayList collect = new ArrayList();
for (int i = 0; i < delegates.length; i++) {
Class delegate = delegates[i].getClass();
collect.clear();
ReflectUtils.addAllInterfaces(delegate, collect);
for (Iterator it = collect.iterator(); it.hasNext(); ) {
Class iface = (Class) it.next();
if (!map.containsKey(iface)) {
map.put(iface, new Integer(i));
}
}
}
classes = new Class[map.size()];
route = new int[map.size()];
int index = 0;
for (Iterator it = map.keySet().iterator(); it.hasNext(); ) {
Class key = (Class) it.next();
classes[index] = key;
route[index] = ((Integer) map.get(key)).intValue();
index++;
}
}
protected Object firstInstance(Class type) {
return ((Mixin) ReflectUtils.newInstance(type)).newInstance(delegates);
}