'Spring MVC: JSON List in Request Parameters Using PropertyEditorSupport

I'm using Spring Boot 2.5.4, and I have to develop a controller that receives a list of complex objects as requests parameters.

@Value
class Complex {
  String field1;
  String field2;
}

@RestController
class ComplexController {
  @GetMapping(value = "/complexes")
  public List<Complex> getPolicies(@RequestParam @NotEmpty List<Complex> list) {
    return list;
  }
}

I know that I can inject an ObjectMapper in the controller, change the type of the list attribute to String, and use the mapper to deserialize it into a Java object.

What about if I want to extend the PropertyEditorSupport type? AFAIK, the binder binds only on simple types, not generic ones.

javaspringspring-mvcjackson


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