in src/inventory/src/main/java/com/google/abmedge/inventory/InventoryController.java [113:120]
public ResponseEntity<String> items() {
List<Item> inventoryItems =
activeItemsType.equals(ALL_ITEMS)
? activeConnector.getAll()
: activeConnector.getAllByType(activeItemsType);
String jsonString = GSON.toJson(inventoryItems, new TypeToken<List<Item>>() {}.getType());
return new ResponseEntity<>(jsonString, HttpStatus.OK);
}