Move routing-in-play -> play-framework

play-framework/introduction/app/controllers/StudentController.java

@@ -0,0 +1,63 @@
+package controllers;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import models.Student;
+import models.StudentStore;
+import play.libs.Json;
+import play.mvc.Controller;
+import play.mvc.Result;
+import util.Util;
+
+import java.util.Set;
+
+public class StudentController extends Controller {
+    public Result create() {
+        JsonNode json = request().body().asJson();
+        if (json == null) {
+            return badRequest(Util.createResponse("Expecting Json data", false));
+        }
+        Student student = StudentStore.getInstance().addStudent(Json.fromJson(json, Student.class));
+        JsonNode jsonObject = Json.toJson(student);
+        return created(Util.createResponse(jsonObject, true));
+    }
+
+    public Result update() {
+        JsonNode json = request().body().asJson();
+        if (json == null) {
+            return badRequest(Util.createResponse("Expecting Json data", false));
+        }
+        Student student = StudentStore.getInstance().updateStudent(Json.fromJson(json, Student.class));
+        if (student == null) {
+            return notFound(Util.createResponse("Student not found", false));
+        }
+
+        JsonNode jsonObject = Json.toJson(student);
+        return ok(Util.createResponse(jsonObject, true));
+    }
+
+    public Result retrieve(int id) {
+        if (StudentStore.getInstance().getStudent(id) == null) {
+            return notFound(Util.createResponse("Student with id:" + id + " not found", false));
+        }
+        JsonNode jsonObjects = Json.toJson(StudentStore.getInstance().getStudent(id));
+        return ok(Util.createResponse(jsonObjects, true));
+    }
+
+    public Result listStudents() {
+        Set<Student> result = StudentStore.getInstance().getAllStudents();
+        ObjectMapper mapper = new ObjectMapper();
+
+        JsonNode jsonData = mapper.convertValue(result, JsonNode.class);
+        return ok(Util.createResponse(jsonData, true));
+
+    }
+
+    public Result delete(int id) {
+        if (!StudentStore.getInstance().deleteStudent(id)) {
+            return notFound(Util.createResponse("Student with id:" + id + " not found", false));
+        }
+        return ok(Util.createResponse("Student with id:" + id + " deleted", true));
+    }
+
+}