SecurityInterceptor.java

package br.com.weblog.web.component;

import javax.inject.Inject;
import br.com.caelum.vraptor.Accepts;
import br.com.caelum.vraptor.AfterCall;
import br.com.caelum.vraptor.AroundCall;
import br.com.caelum.vraptor.BeforeCall;
import br.com.caelum.vraptor.Intercepts;
import br.com.caelum.vraptor.Result;
import br.com.caelum.vraptor.controller.ControllerMethod;
import br.com.caelum.vraptor.interceptor.SimpleInterceptorStack;
import br.com.weblog.web.controller.admin.AdminController;
import br.com.weblog.web.controller.login.LoginController;

@Intercepts
public class SecurityInterceptor {

	private final Result result;
	private final UsuarioLogado usuarioLogado;

	public SecurityInterceptor() {
		this(null, null);
	}

	@Inject
	public SecurityInterceptor(UsuarioLogado usuarioLogado, Result result) {
		this.result = result;
		this.usuarioLogado = usuarioLogado;
	}

	@Accepts
	public boolean ehRestrito(ControllerMethod method) {
		return method.getController().getType().equals(AdminController.class);
	}

	@BeforeCall
	public void before() {
	}

	@AfterCall
	public void after() {
	}

	@AroundCall
	public void intercept(SimpleInterceptorStack stack) {
		if (usuarioLogado.isLogado()) {
			stack.next();
		} else {
			result.redirectTo(LoginController.class).login();
		}
	}
}