Provides a shared context for using Jackson

JacksonContext.java

public enum JacksonContext {
    INSTANCE;

    private final CBORFactory factory = new CBORFactory();
    private final ObjectMapper mapper = new ObjectMapper(factory);

    public static Map<String, Object> jsonToMap(JSON json) throws IOException {
        try (CBORParser parser = INSTANCE.factory.createParser(json.asInputStream())) {
            return INSTANCE.mapper.readValue(parser, new TypeReference<Map<String, Object>>() { });
        }
    }
}