derp

public class LongErrorCatcher extends TypeAdapter<Long> {

    @Override public Long read(JsonReader reader) throws IOException {
        if (reader.peek() == JsonToken.NULL) {
            reader.nextNull();
            return null;
        }
        String stringValue = reader.nextString();

        try {
            Long value = Long.valueOf(stringValue);
            return value;
        } catch (NumberFormatException e) {
            return new Long(BadNumberConstant.INVALID_NUMBER);
        }
    }

    @Override public void write(JsonWriter writer, Long value) throws IOException {
        if (value == null) {
            writer.nullValue();
            return;
        }
        writer.value(value);
    }
}