content: /*
   * 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.airlift.openmetrics;
  
  import com.google.common.base.Splitter;
  import com.google.common.collect.ImmutableList;
  import io.airlift.configuration.Config;
  import io.airlift.configuration.ConfigDescription;
  
  import javax.management.MalformedObjectNameException;
  import javax.management.ObjectName;
  
  import java.util.List;
  
  import static com.google.common.collect.ImmutableList.toImmutableList;
  
  public class MetricsConfig
  {
      private static final Splitter NAME_SPLITTER = Splitter.on('|').trimResults().omitEmptyStrings();
  
      private List<ObjectName> jmxObjectNames = ImmutableList.of();
  
      public List<ObjectName> getJmxObjectNames()
      {
          return jmxObjectNames;
      }
  
      @Config("openmetrics.jmx-object-names")
      @ConfigDescription("JMX object names to include when retrieving all metrics, separated by '|'")
      public MetricsConfig setJmxObjectNames(String names)
      {
          jmxObjectNames = NAME_SPLITTER.splitToStream(names)
                  .map(MetricsConfig::toObjectName)
                  .collect(toImmutableList());
          return this;
      }
  
      public MetricsConfig setJmxObjectNames(List<ObjectName> names)
      {
          jmxObjectNames = ImmutableList.copyOf(names);
          return this;
      }
  
      private static ObjectName toObjectName(String name)
      {
          try {
              return new ObjectName(name);
          }
          catch (MalformedObjectNameException e) {
              throw new IllegalArgumentException(e);
          }
      }
  }
  