private static JsonPath compileRestrictedJsonPath()

in src/main/java/software/amazon/event/kafkaconnector/offloading/S3EventBridgeEventDetailValueOffloading.java [109:128]

• 17 lines of code
• 4 McCabe index (conditional complexity)

  private static JsonPath compileRestrictedJsonPath(String value) {
    JsonPath jsonPath;
    try {
      jsonPath = JsonPath.compile(value);
    } catch (Exception e) {
      throw new IllegalArgumentException(format("Invalid JSON Path '%s'.", value));
    }

    if (!jsonPath.getPath().startsWith("$['detail']['value']")) {
      throw new IllegalArgumentException(
          format("JSON Path must start with '%s' but is '%s'.", JSON_PATH_PREFIX, value));
    }
    if (!jsonPath.isDefinite()) {
      throw new IllegalArgumentException(
          format("JSON Path must be definite but '%s' is not.", value));
    }
    // rewrite $.detail -> $,
    // because PutEventsRequestEntry#detail is the sub document of $.detail
    return JsonPath.compile("$" + jsonPath.getPath().substring("$['detail']".length()));
  }