content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.opentelemetryapi.v1_10;
  
  import application.io.opentelemetry.api.OpenTelemetry;
  import application.io.opentelemetry.api.metrics.MeterProvider;
  import application.io.opentelemetry.api.trace.TracerProvider;
  import application.io.opentelemetry.context.propagation.ContextPropagators;
  import io.opentelemetry.javaagent.instrumentation.opentelemetryapi.context.propagation.ApplicationContextPropagators;
  import io.opentelemetry.javaagent.instrumentation.opentelemetryapi.v1_10.metrics.ApplicationMeterFactory;
  import io.opentelemetry.javaagent.instrumentation.opentelemetryapi.v1_10.metrics.ApplicationMeterFactory14;
  import io.opentelemetry.javaagent.instrumentation.opentelemetryapi.v1_10.metrics.ApplicationMeterProvider;
  import io.opentelemetry.javaagent.instrumentation.opentelemetryapi.v1_4.trace.ApplicationTracerProvider14;
  import java.lang.reflect.InvocationTargetException;
  
  public final class ApplicationOpenTelemetry110 implements OpenTelemetry {
  
    // Accessed with reflection
    @SuppressWarnings("unused")
    public static final OpenTelemetry INSTANCE = new ApplicationOpenTelemetry110();
  
    private final TracerProvider applicationTracerProvider;
    private final ContextPropagators applicationContextPropagators;
    private final MeterProvider applicationMeterProvider;
  
    @SuppressWarnings("UnnecessarilyFullyQualified")
    private ApplicationOpenTelemetry110() {
      io.opentelemetry.api.OpenTelemetry agentOpenTelemetry =
          io.opentelemetry.api.GlobalOpenTelemetry.get();
      applicationTracerProvider =
          new ApplicationTracerProvider14(agentOpenTelemetry.getTracerProvider());
      applicationContextPropagators =
          new ApplicationContextPropagators(agentOpenTelemetry.getPropagators());
      applicationMeterProvider =
          new ApplicationMeterProvider(getMeterFactory(), agentOpenTelemetry.getMeterProvider());
    }
  
    @Override
    public TracerProvider getTracerProvider() {
      return applicationTracerProvider;
    }
  
    @Override
    public MeterProvider getMeterProvider() {
      return applicationMeterProvider;
    }
  
    @Override
    public ContextPropagators getPropagators() {
      return applicationContextPropagators;
    }
  
    private static ApplicationMeterFactory getMeterFactory() {
      try {
        // this class is defined in opentelemetry-api-1.15
        Class<?> clazz =
            Class.forName(
                "io.opentelemetry.javaagent.instrumentation.opentelemetryapi.v1_15.metrics.ApplicationMeterFactory115");
        return (ApplicationMeterFactory) clazz.getConstructor().newInstance();
      } catch (ClassNotFoundException
          | NoSuchMethodException
          | InstantiationException
          | IllegalAccessException
          | InvocationTargetException exception) {
        return new ApplicationMeterFactory14();
      }
    }
  }
  