correcciones

src/java/demojsoncrud/servlets/RequestFilter.java

 package demojsoncrud.servlets;
 
+import demojsoncrud.utilities.GeneralUtils;
 import demojsoncrud.utilities.PostRequest;
 import java.io.IOException;
 import java.io.PrintWriter;
@@ -72,7 +73,7 @@ public class RequestFilter implements Filter, ServletContextListener {
                     JSONArray views = new JSONArray(menu.get("vistas").toString());//Obtiene las vistas disponibles del usuario
                     List<Object> salida=views.toList();
                     String ruta = request.getRequestURI();
-                    int indice = obtenerIndex(ruta);
+                    int indice = GeneralUtils.obtenerIndex(ruta);
                     String rutaJsp = ruta.substring(indice, ruta.length());
                     if(url.contains(".jsp")){
                         boolean acceso = false;
@@ -85,8 +86,7 @@ public class RequestFilter implements Filter, ServletContextListener {
                         }
                         if(!acceso){
                             Response.ResponseBuilder builder = null;
-                            response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
-                            response.sendError(401);
+                            sendError(response);
                             builder = Response.status(Response.Status.UNAUTHORIZED).entity(response);
                             throw new WebApplicationException(builder.build());
                         }
@@ -94,28 +94,17 @@ public class RequestFilter implements Filter, ServletContextListener {
 //                    List<String> views = (List<String>) ;
                     chain.doFilter(request, response);
                 } else {
-                    response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
-                    response.sendError(401);
+                    sendError(response);
                 }
             }
         } else {
-            response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
-            response.sendError(401);
+            sendError(response);
         }
     }
-    private int obtenerIndex(String ruta){
-        char[] c = ruta.toCharArray();
-        int salida = 0;
-        for (int i = c.length-1; i >= 0; i--) {
-            String help = c[i]+"";
-            if(!help.equals("/")){
-                salida = i;
-            }else{
-                break;
-            }
-        }
-        
-        return salida;
+    
+    private void sendError (HttpServletResponse response) throws IOException{
+        response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
+        response.sendError(401);
     }
     @Override
     public void destroy() {

src/java/demojsoncrud/utilities/GeneralUtils.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package demojsoncrud.utilities;
+
+/**
+ *
+ * @author sistem08user
+ */
+public class GeneralUtils {
+    public static int obtenerIndex(String ruta){
+        char[] c = ruta.toCharArray();
+        int salida = 0;
+        for (int i = c.length-1; i >= 0; i--) {
+            String help = c[i]+"";
+            if(!help.equals("/")){
+                salida = i;
+            }else{
+                break;
+            }
+        }
+        
+        return salida;
+    }
+}