public void parse()

in hertzbeat-collector/hertzbeat-collector-basic/src/main/java/org/apache/hertzbeat/collector/collect/http/promethus/PrometheusMatrixParser.java [51:98]
47 lines of code
14 McCabe index (conditional complexity)

    public void parse(String resp, List<String> aliasFields, HttpProtocol http, CollectRep.MetricsData.Builder builder) {
        PromVectorOrMatrix promVectorOrMatrix = JsonUtil.fromJson(resp, PromVectorOrMatrix.class);
        if (promVectorOrMatrix == null){
            return;
        }
        List<PromVectorOrMatrix.Result> result = promVectorOrMatrix.getData().getResult();
        for (PromVectorOrMatrix.Result r : result) {
            for (List<Object> value : r.getValues()) {
                boolean setTimeFlag = false;
                boolean setValueFlag = false;
                CollectRep.ValueRow.Builder valueRowBuilder = CollectRep.ValueRow.newBuilder();
                for (String aliasField : aliasFields) {
                    if (!CollectUtil.assertPromRequireField(aliasField)) {
                        JsonElement jsonElement = r.getMetric().get(aliasField);
                        if (jsonElement != null) {
                            valueRowBuilder.addColumn(jsonElement.getAsString());
                        } else {
                            valueRowBuilder.addColumn(CommonConstants.NULL_VALUE);
                        }
                    } else {
                        if (CommonConstants.PROM_TIME.equals(aliasField)) {
                            for (Object o : value) {
                                if (o instanceof Double time) {
                                    valueRowBuilder.addColumn(String.valueOf(BigDecimal.valueOf(time * 1000)));
                                    setTimeFlag = true;
                                }
                            }
                            if (!setTimeFlag) {
                                valueRowBuilder.addColumn(CommonConstants.NULL_VALUE);
                            }
                        } else {
                            for (Object o : value) {
                                if (o instanceof String str) {
                                    valueRowBuilder.addColumn(str);
                                    setValueFlag = true;
                                }
                            }
                            if (!setValueFlag) {
                                valueRowBuilder.addColumn(CommonConstants.NULL_VALUE);
                            }
                        }
                    }
                }
                builder.addValueRow(valueRowBuilder.build());
            }

        }
    }