package br.com.caelum.brutauth.auth.handlers;
import javax.inject.Inject;
import br.com.caelum.brutauth.auth.annotations.HandledBy;
import br.com.caelum.brutauth.auth.rules.BrutauthRule;
import br.com.caelum.vraptor.controller.BeanClass;
import br.com.caelum.vraptor.controller.ControllerMethod;
import br.com.caelum.vraptor.ioc.Container;
public class HandlerSearcher {
private Container container;
private ControllerMethod controllerMethod;
@Deprecated // CDI eyes only
public HandlerSearcher() {}
@Inject
public HandlerSearcher(Container container, ControllerMethod controllerMethod) {
this.container = container;
this.controllerMethod = controllerMethod;
}
public RuleHandler getHandler(BrutauthRule rule) {
if(controllerMethodContainsSpecificHandler(controllerMethod)){
HandledBy handledBy = controllerMethod.getMethod().getAnnotation(HandledBy.class);
return container.instanceFor(handledBy.value());
}
BeanClass resource = controllerMethod.getController();
if(resourceClassContainsSpecificHandler(resource)){
HandledBy handledBy = resource.getType().getAnnotation(HandledBy.class);
return container.instanceFor(handledBy.value());
}
if(ruleContainsSpecificHandler(rule)){
HandledBy handledBy = rule.getClass().getAnnotation(HandledBy.class);
return container.instanceFor(handledBy.value());
}
return container.instanceFor(AccessNotAllowedHandler.class);
}
private boolean controllerMethodContainsSpecificHandler(
ControllerMethod controllerMethod) {
return controllerMethod.getMethod().isAnnotationPresent(HandledBy.class);
}
private boolean resourceClassContainsSpecificHandler(
BeanClass beanClass) {
return beanClass.getType().isAnnotationPresent(HandledBy.class);
}
private boolean ruleContainsSpecificHandler(BrutauthRule rule) {
return rule.getClass().isAnnotationPresent(HandledBy.class);
}
}