content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.armeria.grpc.v1_14;
  
  import static net.bytebuddy.matcher.ElementMatchers.isMethod;
  import static net.bytebuddy.matcher.ElementMatchers.isPublic;
  import static net.bytebuddy.matcher.ElementMatchers.named;
  
  import com.linecorp.armeria.client.grpc.GrpcClientBuilder;
  import io.opentelemetry.api.GlobalOpenTelemetry;
  import io.opentelemetry.instrumentation.grpc.v1_6.GrpcTelemetry;
  import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
  import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
  import net.bytebuddy.asm.Advice;
  import net.bytebuddy.description.type.TypeDescription;
  import net.bytebuddy.matcher.ElementMatcher;
  
  public class ArmeriaGrpcClientBuilderInstrumentation implements TypeInstrumentation {
  
    @Override
    public ElementMatcher<TypeDescription> typeMatcher() {
      return named("com.linecorp.armeria.client.grpc.GrpcClientBuilder");
    }
  
    @Override
    public void transform(TypeTransformer transformer) {
      transformer.applyAdviceToMethod(
          isMethod().and(isPublic()).and(named("build")),
          ArmeriaGrpcClientBuilderInstrumentation.class.getName() + "$BuildAdvice");
    }
  
    @SuppressWarnings("unused")
    public static class BuildAdvice {
  
      @Advice.OnMethodEnter
      public static void onEnter(@Advice.This GrpcClientBuilder builder) {
        builder.intercept(GrpcTelemetry.create(GlobalOpenTelemetry.get()).newClientInterceptor());
      }
    }
  }
  