프로퍼티 에디터

Controller.java

  @Inject
  Provider<FakeDbUserPropertyEditor> fakeDbUserPropertyEditorProvider;

  @InitBinder
  public void initBinder(WebDataBinder dataBinder){
    dataBinder.registerCustomEditor(Level.class, new LevelPropertyEditor());
    // 커스텀 서비스를 넣어주는 방법
    dataBinder.registerCustomEditor(int.class, "age", new MinMaxPropertyEditor(0, 200));
    // 02. 모조 방법
    dataBinder.registerCustomEditor(FakeUser.class, new FakeUserPropertyEditor());
    // 03. prototype 방법
    dataBinder.registerCustomEditor(FakeDBUser.class, fakeDbUserPropertyEditorProvider.get());

  }

PropertyEditor.java

public class LevelPropertyEditor extends PropertyEditorSupport {

  public String getAsText(){
    return String.valueOf(((Level)this.getValue()).intValue());
  }

  public void setAsText(String text) throws IllegalArgumentException{
    this.setValue(Level.valueOf(Integer.parseInt(text.trim())));
  }

  // @init binder 가 필요하다
  // 적용대상 @RequestParam, @CookieValue, @RequestHeader, @PathVaraible, @ModelAttribute


}