public void handle(Class<?> annotatedType) {
if (!(Converter.class.isAssignableFrom(annotatedType)))
throw new VRaptorException("converter does not implement Converter");
@SuppressWarnings("unchecked")
Class<? extends Converter<?>> converterType = (Class<? extends Converter<?>>) annotatedType;
converters.register(converterType);
}
@SuppressWarnings({"unchecked", "rawtypes"})
private Object load(String name, Class type) {
String parameter = request.getParameter(name + ".id");
if (parameter == null) {
return null;
}
Field field = new Mirror().on(type).reflect().field("id");
checkArgument(
field != null,
"Entity " + type.getSimpleName() + " must have an id property for @LoadObject.");
Class<?> idType = field.getType();
Converter<?> converter = converters.to(idType);
checkArgument(
converter != null,
"Entity " + type.getSimpleName() + " id type " + idType + " must have a converter");
Serializable id = (Serializable) converter.convert(parameter, type, localization.getBundle());
return em.find(type, id);
}