Implemento validación en servidor

pom.xml

@@ -27,6 +27,12 @@
             <artifactId>gson</artifactId>
             <artifactId>gson</artifactId>
             <version>2.10.1</version>
             <version>2.10.1</version>
         </dependency>
         </dependency>
+        <dependency>
+            <groupId>javax.validation</groupId>
+            <artifactId>validation-api</artifactId>
+            <version>2.0.1.Final</version>
+        </dependency>
+
     </dependencies>
     </dependencies>
 
 
     <build>
     <build>

src/main/java/com/example/demo/SparkRest.java

 package com.example.demo;
 package com.example.demo;
 
 
 import com.google.gson.Gson;
 import com.google.gson.Gson;
+import com.google.gson.JsonElement;
+
+import javax.xml.validation.Validator;
+
+import javax.validation.*;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
 
 
 import static spark.Spark.*;
 import static spark.Spark.*;
 
 
+
 public class SparkRest
 public class SparkRest
 {
 {
     public static void main(String[] args) {
     public static void main(String[] args) {
@@ -23,9 +33,21 @@ public class SparkRest
             response.type("application/json");
             response.type("application/json");
 
 
             Circuito circuito = new Gson().fromJson(request.body(), Circuito.class);
             Circuito circuito = new Gson().fromJson(request.body(), Circuito.class);
+
+// Validación de datos
+            if (circuito.getNombre() == null || circuito.getNombre().isEmpty()) {
+                response.status(400); // Código de error para datos no válidos
+                return new Gson().toJson(new StandardResponse(StatusResponse.ERROR, "El campo 'nombre' es requerido"));
+            }
+
+            if (circuito.getLongitud() <= 0) {
+                response.status(400); // Código de error para datos no válidos
+                return new Gson().toJson(new StandardResponse(StatusResponse.ERROR, "El campo 'longitud' debe ser mayor que cero"));
+            }
+
             circuitoService.addCircuito(circuito);
             circuitoService.addCircuito(circuito);
+            return new Gson().toJson(new StandardResponse(StatusResponse.SUCCESS, new Gson().toJsonTree(circuitoService.getCircuitos())));
 
 
-            return new Gson().toJson(new StandardResponse(StatusResponse.SUCCESS));
         });
         });
 
 
         get("/circuitos", (request, response) -> {
         get("/circuitos", (request, response) -> {