com.newrelic.telemetry.metrics.json.MetricBatchJsonCommonBlockWriter Maven / Gradle / Ivy

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/*
 * Copyright 2019 New Relic Corporation. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 */
package com.newrelic.telemetry.metrics.json;

import com.newrelic.telemetry.json.AttributesJson;
import com.newrelic.telemetry.metrics.MetricBatch;

public class MetricBatchJsonCommonBlockWriter {

  private final AttributesJson attributesJson;

  public MetricBatchJsonCommonBlockWriter(AttributesJson attributesJson) {
    this.attributesJson = attributesJson;
  }

  public void appendCommonJson(MetricBatch batch, StringBuilder builder) {
    if (batch.hasCommonAttributes()) {
      builder
          .append("\"common\":")
          .append("{")
          .append("\"attributes\":")
          .append(attributesJson.toJson(batch.getCommonAttributes().asMap()))
          .append("}");
    }
  }
}