0835118e85
* made changes to java reflection * removed redundant method makeSound in Animal abstract class * added project for play-framework article
57 lines
2.0 KiB
Java
57 lines
2.0 KiB
Java
package controllers;
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import models.*;
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import util.*;
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import play.mvc.*;
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import play.libs.Json;
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import play.libs.Json.*;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import java.util.List;
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public class StudentController extends Controller {
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public Result create() {
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JsonNode json = request().body().asJson();
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if(json == null)
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return badRequest(Util.createResponse("Expecting Json data",false));
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Student student=StudentStore.getInstance().addStudent((Student)Json.fromJson(json,Student.class));
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JsonNode jsonObject=Json.toJson(student);
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return created(Util.createResponse(jsonObject,true));
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}
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public Result update() {
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JsonNode json = request().body().asJson();
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if(json == null)
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return badRequest(Util.createResponse("Expecting Json data",false));
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Student student=StudentStore.getInstance().updateStudent((Student)Json.fromJson(json,Student.class));
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if(student==null){
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return notFound(Util.createResponse("Student not found",false));
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}
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JsonNode jsonObject=Json.toJson(student);
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return ok(Util.createResponse(jsonObject,true));
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}
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public Result retrieve(int id) {
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Student student=StudentStore.getInstance().getStudent(id);
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if(student==null){
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return notFound(Util.createResponse("Student with id:"+id+" not found",false));
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}
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JsonNode jsonObjects=Json.toJson(student);
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return ok(Util.createResponse(jsonObjects,true));
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}
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public Result listStudents() {
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List<Student> result=StudentStore.getInstance().getAllStudents();
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ObjectMapper mapper = new ObjectMapper();
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JsonNode jsonData=mapper.convertValue(result, JsonNode.class);
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return ok(Util.createResponse(jsonData,true));
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}
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public Result delete(int id) {
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boolean status=StudentStore.getInstance().deleteStudent(id);
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if(!status){
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return notFound(Util.createResponse("Student with id:"+id+" not found",false));
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}
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return ok(Util.createResponse("Student with id:"+id+" deleted",true));
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}
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}
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