Transfer DTO to Entity

Model Mapper

Let’s first create a DTO class. We use the DTO class to avoid multiple calls from clients and we can pass the attributes specific to client’s request.

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Add model mapper dependency in POM file.

Create a method in Controller which will accept the DTO class as Request Body.

Create a Bean of Model Mapper in config class.

Create a DTO UserCreateRequest class which will be used as a request body .

Create a Entity class which will persist in the Database.

Create a method using Model mapper.

<dependency>
   <groupId>org.modelmapper</groupId>
   <artifactId>modelmapper</artifactId>
   <version>2.4.2</version>
  </dependency>

  @PostMapping("/user")
    public ResponseEntity createUser(@RequestBody UserCreateRequest userCreateRequest)

@Bean
    public ModelMapper modelMapper()
    {
        return new ModelMapper();
    }

public class UserCreateRequest {
 @NonNull
 private String name;
 @NonNull
 private String phoneNumber;
 @NonNull
 private String email;
 @NonNull
 private String dob;
 private String country;
}

@Entity
@Data
public class User {
    Logger logger = LoggerFactory.getLogger(User.class);
    @Id…