public void configure(final Binder binder) {
for (final SpaceIndexItem<Extension, Object> item :
SpaceIndex.load(Extension.class, Object.class, space, globalIndex)) {
try {
// ignore the legacy SezPoz ExtensionFinder
if (!Sezpoz.class.equals(item.element())) {
bindItem(binder, item);
}
} catch (final Throwable e) {
if (item.annotation().optional()) {
log.debug("Failed to bind optional extension: {}", item, e);
} else {
log.warn("Failed to bind extension: {}", item, e);
}
}
}
}
private void bindItem(final Binder binder, final SpaceIndexItem<Extension, ?> item)
throws InstantiationException {
switch (item.kind()) {
case TYPE:
{
final Class impl = (Class) item.element();
binder.bind(impl).in(Scopes.SINGLETON);
bindHierarchy(binder, Key.get(impl));
break;
}
case METHOD:
{
final Method method = (Method) item.element();
final String name = method.getDeclaringClass().getName() + '.' + method.getName();
final ExtensionQualifier qualifier = new ExtensionQualifierImpl(item.annotation(), name);
bindProvider(binder, item, Key.get(method.getReturnType(), qualifier));
break;
}
case FIELD:
{
final Field field = (Field) item.element();
final String name = field.getDeclaringClass().getName() + '.' + field.getName();
final ExtensionQualifier qualifier = new ExtensionQualifierImpl(item.annotation(), name);
bindProvider(binder, item, Key.get(field.getType(), qualifier));
break;
}
default:
break;
}
}