Java DTO Convert

/**
 * Converter for converting a string CodeValue on the DTO into a Code object with type ITEM_TYPE_CODE
 */
Converter<String, Code> itemTypeCodeConverter = new Converter<String, Code>() {
   public Code convert(MappingContext<String, Code> context) {
      Code itemTypeCode = null;
      for (Code code : ModelMapperExampleApplication.storedCodes) {
         if (code.getCodeType().equals(ModelMapperExampleApplication.ITEM_TYPE_CODE) 
            && code.getCodeValue().equals(context.getSource())) {
            itemTypeCode = code;
            break;
         }
      }
      return itemTypeCode;
   }
};
 
/**
 * Converter for converting a string CodeValue on the DTO into a Code object with type LOCATION_CODE
 */
Converter<String, Code> locationCodeConverter = new Converter<String, Code>() {
   public Code convert(MappingContext<String, Code> context) {
      Code locationCode = null;
      for (Code code : ModelMapperExampleApplication.storedCodes) {
         if (code.getCodeType().equals(ModelMapperExampleApplication.LOCATION_CODE) 
            && code.getCodeValue().equals(context.getSource())) {
            locationCode = code;
            break;
         }
      }
      return locationCode;
   }
};


/**
 * Mapping for converting String Code Keys from ItemDTO to Code objects.
 * To use:
 * modelMapper.addMappings(itemMap);
 * 
 */
PropertyMap<ItemDTO, Item> itemMap = new PropertyMap<ItemDTO, Item>() {
   protected void configure() {
      using(itemTypeCodeConverter).map(source.getItemType()).setItemTypeCode(null);
      using(locationCodeConverter).map(source.getLocation()).setLocationCode(null);
   }
};


@Autowired
public ItemController(ModelMapper modelMapper) {
   this.modelMapper = modelMapper;
   this.modelMapper.addMappings(itemMap);
}


**
 * Converter for converting a into a String CodeValue on the DTO
 */
Converter<Code, String> codeToStringConverter = new Converter<Code, String>() {
   public String convert(MappingContext<Code, String> context) {
      return (context.getSource()!= null? context.getSource().getCodeValue():"");
   }
};
 
/**
 * Converter for converting a into a String Short Description on the DTO
 */
Converter<Code, String> codeToStringDescConverter = new Converter<Code, String>() {
   public String convert(MappingContext<Code, String> context) {
      return (context.getSource()!= null? context.getSource().getShortDescription():"");
   }
};

/**
 * Mapping for converting Code objects into String Code Keys on ItemDto.
 * To use:
 * modelMapper.addMappings(itemDtoMap);
 * 
 */
PropertyMap<Item, ItemDTO> itemDtoMap = new PropertyMap<Item, ItemDTO>() {
   protected void configure() {
      using(codeToStringConverter).map(source.getItemTypeCode()).setItemType(null);
      using(codeToStringConverter).map(source.getLocationCode()).setLocation(null);
   }
};