REST API works

src/main/java/fr/istic/taa/jaxrs/rest/PetResource.java

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+package fr.istic.taa.jaxrs.rest;
+
+import fr.istic.taa.jaxrs.domain.Pet;
+import io.swagger.v3.oas.annotations.Parameter;
+import jakarta.ws.rs.Consumes;
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.POST;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.PathParam;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.Response;
+
+@Path("pet")
+@Produces({"application/json", "application/xml"})
+public class PetResource {
+
+  @GET
+  @Path("/{petId}")
+  public Pet getPetById(@PathParam("petId") Long petId)  {
+      // return pet
+      return new Pet();
+  }
+
+  @GET
+  @Path("/")
+  public Pet getPet(Long petId)  {
+      return new Pet();
+  }
+
+  
+  @POST
+  @Consumes("application/json")
+  public Response addPet(
+      @Parameter(description = "Pet object that needs to be added to the store", required = true) Pet pet) {
+    // add pet
+    return Response.ok().entity("SUCCESS").build();
+  }
+}