public static void main( String[] args )
    {
        searchBCM();
    }

public static void searchBCM(){
        // params definition
        String endpoint = "http://bcm.bj.baidubce.com";
        String userId = "xxx"; // 百度智能云账号id
        String ak = "xxx";
        String sk = "xxx";
        String scope = "BCE_BOS"; 
        String metricName = "BucketSpaceUsedBytes"; // 监控字段可以参考：https://ku.baidu-int.com/knowledge/HFVrC7hq1Q/pKzJfZczuc/iEP_IS7I1z/Q0JyPCxC-jqT6i#anchor-fa5ac7f0-2a14-11ee-9203-7fb0cea3ad07
        String dimensions = "BucketId:hj-test";  // 维度信息可以参考bcm文档：https://cloud.baidu.com/doc/BCM/s/ujwvylt2m
        Statistics[] statistics = new Statistics[]{Statistics.average,Statistics.maximum};
        long now = System.currentTimeMillis();
        String startTime = DateUtils.formatAlternateIso8601Date(new Date(now - 60 * 60 * 1000));
        String endTime = DateUtils.formatAlternateIso8601Date(new Date(now));
        int periodInSecond = 60;

        // create a bcm client
        BcmClientConfiguration config = new BcmClientConfiguration();
        config.setCredentials(new DefaultBceCredentials(ak, sk));
        config.setEndpoint(endpoint);
        BcmClient bcmClient = new BcmClient(config);


        // query metric data from bcm interface
        MetricDataRequest request = new MetricDataRequest();
        request.withUserId(userId)
                .withScope(scope)
                .withDimensions(dimensions)
                .withMetricName(metricName)
                .withStatistics(statistics)
                .withStartTime(startTime)
                .withEndTime(endTime)
                .withPeriodInSecond(periodInSecond);
        MetricDataResponse response = bcmClient.getMetricData(request);
        System.out.println(JsonUtils.toJsonString(response));
    }

{"metadata":{"bceRequestId":"904c74a7-8ad2-4317-bb10-fc4c30cadd16","transferEncoding":"chunked","contentLength":-1,"contentType":"application/json;charset=UTF-8","date":1691137068000},"requestId":"904c74a7-8ad2-4317-bb10-fc4c30cadd16","code":"OK","message":"","dataPoints":[{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:17:47Z"},
{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:18:47Z"},
{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:19:47Z"},
{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:20:47Z"},
{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:21:47Z"},
{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:22:47Z"},
{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:23:47Z"},
{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:24:47Z"},
{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:25:47Z"},
{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:26:47Z"},
{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:27:47Z"},
{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:28:47Z"},
{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:29:47Z"},
{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:30:47Z"},
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{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:32:47Z"},
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{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:34:47Z"},
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{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:36:47Z"},
{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:37:47Z"},
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{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:46:47Z"},
{"average":6.95464088E8,"maximum":6.95464088E8,"timestamp":"2023-08-04T07:47:47Z"},
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