public static List getFromJsonString()

in spanner-data-validator-java/src/main/java/com/google/migration/TableSpecList.java [159:228]
56 lines of code
10 McCabe index (conditional complexity)

  public static List<TableSpec> getFromJsonString(String jsonStr) {
    try {
      JSONArray jsonarray = new JSONArray(jsonStr);

      List<TableSpec> tableSpecs = new ArrayList<>();

      for (int i = 0; i < jsonarray.length(); i++) {
        TableSpec tableSpec = new TableSpec();

        JSONObject jsonObject = jsonarray.getJSONObject(i);

        tableSpec.setTableName(jsonObject.getString("tableName"));
        tableSpec.setSourceQuery(jsonObject.getString("sourceQuery"));
        tableSpec.setDestQuery(jsonObject.getString("destQuery"));
        tableSpec.setRangeFieldIndex(jsonObject.getInt("rangeFieldIndex"));
        tableSpec.setRangeFieldType(jsonObject.getString("rangeFieldType"));
        tableSpec.setRangeStart(jsonObject.getString("rangeStart"));
        tableSpec.setRangeEnd(jsonObject.getString("rangeEnd"));

        tableSpec.setRangeCoverage(
            jsonObject.isNull("rangeCoverage") ?
                BigDecimal.valueOf(100) :
                jsonObject.getBigDecimal("rangeCoverage"));

        tableSpec.setPartitionCount(
            jsonObject.isNull("partitionCount") ?
                100 :
                jsonObject.getInt("partitionCount"));

        tableSpec.setPartitionFilterRatio(
            jsonObject.isNull("partitionFilterRatio") ?
                -1 :
                jsonObject.getInt("partitionFilterRatio"));

        tableSpec.setTimestampThresholdColIndex(
            jsonObject.isNull("timestampThresholdColIndex") ?
                -1 :
                jsonObject.getInt("timestampThresholdColIndex"));

        tableSpec.setTimestampThresholdDeltaInMins(
            jsonObject.isNull("timestampThresholdDeltaInMins") ?
                0 :
                jsonObject.getInt("timestampThresholdDeltaInMins"));

        tableSpec.setTimestampThresholdZoneOffset(
            jsonObject.isNull("timestampThresholdZoneOffset") ?
                0 :
                jsonObject.getInt("timestampThresholdZoneOffset"));

        if(!jsonObject.isNull("timestampThresholdValue")) {
          String rawVal = jsonObject.getString("timestampThresholdValue");
          LocalDateTime dateTime = LocalDateTime.parse(rawVal);
          Instant instant = dateTime.toInstant(ZoneOffset.ofHours(tableSpec.getTimestampThresholdZoneOffset()));
          tableSpec.setTimestampThresholdValue(instant.toEpochMilli());
        } else {
          tableSpec.setTimestampThresholdValue(0L);
        }

        tableSpecs.add(tableSpec);
      } // for

      return tableSpecs;
    } catch (Exception ex) {
      LOG.error("Exception while loading table specs from json string");
      LOG.error(ex.getMessage());
      LOG.error(ex.getStackTrace().toString());
    }

    return null;
  }