How to handle a NumberFormatException with Gson in deserialization a JSON response

Question

I\'m reading a JSON response with Gson, which returns somtimes a NumberFormatException because an expected int value is set to an empty string. Now

Answer 1

I've made this TypeAdapter which check for empty strings and return 0

public class IntegerTypeAdapter extends TypeAdapter {
@Override
public void write(JsonWriter jsonWriter, Number number) throws IOException {
    if (number == null) {
        jsonWriter.nullValue();
        return;
    }
    jsonWriter.value(number);
}

@Override
public Number read(JsonReader jsonReader) throws IOException {
    if (jsonReader.peek() == JsonToken.NULL) {
        jsonReader.nextNull();
        return null;
    }

    try {
        String value = jsonReader.nextString();
        if ("".equals(value)) {
            return 0;
        }
        return Integer.parseInt(value);
    } catch (NumberFormatException e) {
        throw new JsonSyntaxException(e);
    }
}

}