public String convertToTF()

in tools/slo-definition-converter/slo-backend/src/main/java/com/tools/slo/slotools/service/JsonConverterService.java [67:252]
157 lines of code
34 McCabe index (conditional complexity)

  public String convertToTF(JsonNode requestJsonNode) throws BadJsonRequestException, IOException {

    String displayName;
    Double goal;
    String rollingOrCalendarPeriodVal;
    if (requestJsonNode.has(SliConstants.SLI_DISPLAY_NAME)
        && requestJsonNode.has(SliConstants.SLI_GOAL)) {
      displayName = requestJsonNode.get(SliConstants.SLI_DISPLAY_NAME).asText();
      goal = requestJsonNode.get(SliConstants.SLI_GOAL).asDouble();

      if (requestJsonNode.has(SliConstants.SLI_ROLLING_PERIOD))
        rollingOrCalendarPeriodVal = requestJsonNode.get(SliConstants.SLI_ROLLING_PERIOD).asText();
      else if (requestJsonNode.has(SliConstants.SLI_CALENDAR_PERIOD))
        rollingOrCalendarPeriodVal = requestJsonNode.get(SliConstants.SLI_CALENDAR_PERIOD).asText();
      else throw new BadJsonRequestException("required SLO JSON not found in correct format");
    } else throw new BadJsonRequestException("required SLO JSON not found in correct format");
    if (containsFieldRecursive(requestJsonNode, SliConstants.SLI_REQUEST_BASED)) {
      // two cases -> Request based SLI
      // Good Total Ratio
      // Distribution cut

      if (containsFieldRecursive(requestJsonNode, SliConstants.SLI_REQUEST_BASED_GTR)) {
        JsonNode gtrNode =
            getFieldValueRecursive(requestJsonNode, SliConstants.SLI_REQUEST_BASED_GTR);

        String type1 = null;
        String type2 = null;
        String type1Filter = null;
        String type2Filter = null;
        if (gtrNode.has(SliConstants.SLI_REQUEST_BASED_GTR_GOOD)
            && gtrNode.has(SliConstants.SLI_REQUEST_BASED_GTR_TOTAL)) {
          type1 = SliConstants.SLI_REQUEST_BASED_GTR_GOOD_TYPE_VAL;
          type2 = SliConstants.SLI_REQUEST_BASED_GTR_TOTAL_TYPE_VAL;
          type1Filter =
              getFieldValueRecursive(gtrNode, SliConstants.SLI_REQUEST_BASED_GTR_GOOD).asText();
          type2Filter =
              getFieldValueRecursive(gtrNode, SliConstants.SLI_REQUEST_BASED_GTR_TOTAL).asText();
        } else if (gtrNode.has(SliConstants.SLI_REQUEST_BASED_GTR_BAD)
            && gtrNode.has(SliConstants.SLI_REQUEST_BASED_GTR_TOTAL)) {
          type1 = SliConstants.SLI_REQUEST_BASED_GTR_BAD_TYPE_VAL;
          type2 = SliConstants.SLI_REQUEST_BASED_GTR_TOTAL_TYPE_VAL;
          type1Filter =
              getFieldValueRecursive(gtrNode, SliConstants.SLI_REQUEST_BASED_GTR_BAD).asText();
          type2Filter =
              getFieldValueRecursive(gtrNode, SliConstants.SLI_REQUEST_BASED_GTR_TOTAL).asText();
        } else if (gtrNode.has(SliConstants.SLI_REQUEST_BASED_GTR_GOOD)
            && gtrNode.has(SliConstants.SLI_REQUEST_BASED_GTR_BAD)) {
          type1 = SliConstants.SLI_REQUEST_BASED_GTR_GOOD_TYPE_VAL;
          type2 = SliConstants.SLI_REQUEST_BASED_GTR_BAD_TYPE_VAL;
          type1Filter =
              getFieldValueRecursive(gtrNode, SliConstants.SLI_REQUEST_BASED_GTR_GOOD).asText();
          type2Filter =
              getFieldValueRecursive(gtrNode, SliConstants.SLI_REQUEST_BASED_GTR_BAD).asText();
        } else {
          throw new BadJsonRequestException("required SLO JSON not found in correct format");
        }

        Map<String, String> replacements =
            ReplacementMapBuilderUtility.buildReqGTRMap(
                displayName,
                type1,
                type2,
                type1Filter,
                type2Filter,
                goal,
                rollingOrCalendarPeriodVal);

        return placeholderReplacementService.replacePlaceholders(replacements, FILE_REQ_GTR);
      } else if (containsFieldRecursive(requestJsonNode, SliConstants.SLI_REQUEST_BASED_DC)) {
        JsonNode dcNode =
            getFieldValueRecursive(requestJsonNode, SliConstants.SLI_REQUEST_BASED_DC);
        Long min = 0L;
        Long max = 0L;
        if (dcNode.has(SliConstants.SLI_REQUEST_BASED_DC_DF)
            && dcNode.has(SliConstants.SLI_REQUEST_BASED_DC_RANGE)) {
          String dcFilter = dcNode.get(SliConstants.SLI_REQUEST_BASED_DC_DF).asText();
          JsonNode rangeNode = dcNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE);

          if (rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MIN).asLong() > 0)
            min = rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MIN).asLong();

          if (rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MAX).asLong() > 0)
            max = rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MAX).asLong();

          Map<String, String> replacements =
              ReplacementMapBuilderUtility.buildReqDCMap(
                  displayName, dcFilter, max, min, goal, rollingOrCalendarPeriodVal);
          return placeholderReplacementService.replacePlaceholders(replacements, FILE_REQ_DC);
        } else {
          throw new BadJsonRequestException("required SLO JSON not found in correct format");
        }
      }
    } else if (containsFieldRecursive(requestJsonNode, SliConstants.SLI_WINDOW_BASED)) {

      JsonNode windowNode = getFieldValueRecursive(requestJsonNode, SliConstants.SLI_WINDOW_BASED);
      String windowPeriod = null;
      if (windowNode.has(SliConstants.SLI_WINDOW_PERIOD))
        windowPeriod = windowNode.get(SliConstants.SLI_WINDOW_PERIOD).asText();
      else throw new BadJsonRequestException("required SLO JSON not found in correct format");

      if (windowNode.has(SliConstants.SLI_WINDOW_BASED_MMIR)) {
        JsonNode mmirNode = windowNode.get(SliConstants.SLI_WINDOW_BASED_MMIR);
        Long min = 0L;
        Long max = 0L;
        if (mmirNode.has(SliConstants.SLI_WINDOW_BASED_TIME_SERIES)
            && mmirNode.has(SliConstants.SLI_REQUEST_BASED_DC_RANGE)) {
          String tsFilter = mmirNode.get(SliConstants.SLI_WINDOW_BASED_TIME_SERIES).asText();
          JsonNode rangeNode = mmirNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE);

          if (rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MIN).asLong() > 0)
            min = rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MIN).asLong();

          if (rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MAX).asLong() > 0)
            max = rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MAX).asLong();

          Map<String, String> replacements =
              ReplacementMapBuilderUtility.buildWinMmirMap(
                  displayName, tsFilter, max, min, goal, rollingOrCalendarPeriodVal, windowPeriod);
          return placeholderReplacementService.replacePlaceholders(replacements, FILE_WIN_MMIR);
        } else {
          throw new BadJsonRequestException("required SLO JSON not found in correct format");
        }

      } else if (windowNode.has(SliConstants.SLI_WINDOW_BASED_MSIR)) {

        JsonNode msirNode = windowNode.get(SliConstants.SLI_WINDOW_BASED_MSIR);
        Long min = 0L;
        Long max = 0L;
        if (msirNode.has(SliConstants.SLI_WINDOW_BASED_TIME_SERIES)
            && msirNode.has(SliConstants.SLI_REQUEST_BASED_DC_RANGE)) {
          String tsFilter = msirNode.get(SliConstants.SLI_WINDOW_BASED_TIME_SERIES).asText();
          JsonNode rangeNode = msirNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE);

          if (rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MIN).asLong() > 0)
            min = rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MIN).asLong();

          if (rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MAX).asLong() > 0)
            max = rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MAX).asLong();

          Map<String, String> replacements =
              ReplacementMapBuilderUtility.buildWinMmirMap(
                  displayName, tsFilter, max, min, goal, rollingOrCalendarPeriodVal, windowPeriod);
          return placeholderReplacementService.replacePlaceholders(replacements, FILE_WIN_MSIR);
        } else {
          throw new BadJsonRequestException("required SLO JSON not found in correct format");
        }

      } else if (windowNode.has(SliConstants.SLI_WINDOW_BASED_GTRT)) {

        JsonNode gtrtNode = windowNode.get(SliConstants.SLI_WINDOW_BASED_GTRT);
        Double threshold = gtrtNode.get(SliConstants.THRESHOLD).asDouble();
        Long min = 0L;
        Long max = 0L;
        if (containsFieldRecursive(gtrtNode, SliConstants.SLI_REQUEST_BASED_DC)) {

          String dcFilter =
              getFieldValueRecursive(gtrtNode, SliConstants.SLI_REQUEST_BASED_DC_DF).asText();
          JsonNode rangeNode =
              getFieldValueRecursive(gtrtNode, SliConstants.SLI_REQUEST_BASED_DC_RANGE);

          if (rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MIN).asLong() > 0)
            min = rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MIN).asLong();

          if (rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MAX).asLong() > 0)
            max = rangeNode.get(SliConstants.SLI_REQUEST_BASED_DC_RANGE_MAX).asLong();

          Map<String, String> replacements =
              ReplacementMapBuilderUtility.buildWinGtrtMap(
                  displayName,
                  dcFilter,
                  max,
                  min,
                  goal,
                  rollingOrCalendarPeriodVal,
                  windowPeriod,
                  threshold);
          return placeholderReplacementService.replacePlaceholders(replacements, FILE_WIN_GTR);
        } else {
          throw new BadJsonRequestException("required SLO JSON not found in correct format");
        }
      }

      throw new BadJsonRequestException("required SLO JSON not found in correct format");
    } else throw new BadJsonRequestException("required SLO JSON not found in correct format");
    throw new BadJsonRequestException("required SLO JSON not found in correct format");
  }