content: /*
   *  Copyright 2016-2024 Qameta Software Inc
   *
   *  Licensed under the Apache License, Version 2.0 (the "License");
   *  you may not use this file except in compliance with the License.
   *  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   */
  package io.qameta.allure.prometheus;
  
  import io.qameta.allure.metric.MetricLine;
  import lombok.Data;
  import lombok.experimental.Accessors;
  
  /**
   * @author charlie (Dmitry Baev).
   */
  @Data
  @Accessors(chain = true)
  public class PrometheusMetricLine implements MetricLine {
  
      private static final long serialVersionUID = 1L;
  
      private final String name;
      private final String key;
      private final String value;
      private final String labels;
  
      @Override
      public String asString() {
          return String.format("%s_%s%s %s",
                  getName(),
                  normalize(getKey()),
                  normalizeLabels(getLabels()),
                  getValue()
          );
      }
  
      public static String normalize(final String string) {
          return string.toLowerCase().replaceAll("\\s+", "_");
      }
  
      private String normalizeLabels(final String labels) {
          return labels == null ? "" : "{" + labels + "}";
      }
  }
  