Discussion on "Replace a JPA entity with a DTO"

Maddy · 2022-05-30T10:44:52.289Z

Have you ever come across a Sonar vulnerability issue such as: Replace this persistence entity with a POJO or DTO object. This happens when you pass a persistence entity into the @ResponseBody of a REST call instead of a DTO object. This article wi...

Hi Maddy,

I wonder how an public CustomerDTO updateCustomer(CustomerDTO customerDTO) would be implemented by you?

My straight forward solution would be:

public CustomerDTO updateCustomer(CustomerDTO customerDTO)
{
   Customer customer = customerRepository.getReferenceById(customerDTO.getId());
   customer.setFirstName(customerDTO.getFirstName());
   customer.setLastName(customerDTO.getLastName());
   // ... repeated for all fields

  customerRepository.save(customer);
}

Note: The CustomerDTO requires some kind of resource identifier. I used the primary key of the database table.

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Replace a JPA entity with a DTO

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