// получит все продукты в виде спсика
public static List<ProductREST> getAll() throws IOException, JsonValidationException {
List<ProductREST> products = new LinkedList<>();
String data = readAll();
for (JsonElement e : getElements(data)) {
JsonObject obj = e.getAsJsonObject();
Iterator<Map.Entry<String, JsonElement>> elements = obj.entrySet().iterator();
int i = 0;
ProductREST current = new ProductREST();
while (elements.hasNext()) {
switch (i++) {
case 0:
current.setName(elements.next().getValue().getAsString());
break;
case 1:
current.setPrice(elements.next().getValue().getAsDouble());
break;
case 2:
current.setWeight(elements.next().getValue().getAsDouble());
break;
case 3:
current.setManufacturer(
ProductREST.getManufacturer(elements.next().getValue().getAsString()));
break;
case 4:
current.setCategory(elements.next().getValue().getAsString());
break;
case 5:
current.setId(elements.next().getValue().getAsInt());
break;
default:
throw new JsonValidationException("cannot validate json database, check it!");
}
}
products.add(current);
}
return products;
}
