Conversion of DTO to entity and vice-versa

Question

I am using Spring MVC architecture with JPA in my web application. Where to convert data transfer object (DTO) to JPA entity and vice-versa, manua

Answer 1

In my opinion

• the Entity -> DTO conversion should be done in the Controller before dispatching the jsp page
• the DTO -> Entity conversion should be done in the Controller as well after validating the DTO returned from the jsp page

Its gives you more control over the process and you do not have to change the service/persistence classes every time some logic populating the Entity is changed.