private void validateQueryEndpoints()

in src/main/java/com/google/firebase/database/Query.java [84:112]
29 lines of code
13 McCabe index (conditional complexity)

  private void validateQueryEndpoints(QueryParams params) {
    if (params.getIndex().equals(KeyIndex.getInstance())) {
      String message =
          "You must use startAt(String value), endAt(String value) or "
              + "equalTo(String value) in combination with orderByKey(). Other type of values or "
              + "using the version with 2 parameters is not supported";
      if (params.hasStart()) {
        Node startNode = params.getIndexStartValue();
        ChildKey startName = params.getIndexStartName();
        if (startName != ChildKey.getMinName() || !(startNode instanceof StringNode)) {
          throw new IllegalArgumentException(message);
        }
      }
      if (params.hasEnd()) {
        Node endNode = params.getIndexEndValue();
        ChildKey endName = params.getIndexEndName();
        if (endName != ChildKey.getMaxName() || !(endNode instanceof StringNode)) {
          throw new IllegalArgumentException(message);
        }
      }
    } else if (params.getIndex().equals(PriorityIndex.getInstance())) {
      if ((params.hasStart() && !PriorityUtilities.isValidPriority(params.getIndexStartValue()))
          || (params.hasEnd() && !PriorityUtilities.isValidPriority(params.getIndexEndValue()))) {
        throw new IllegalArgumentException(
            "When using orderByPriority(), values provided to startAt(), "
                + "endAt(), or equalTo() must be valid priorities.");
      }
    }
  }