content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.vertx.v3_0.client;
  
  import static net.bytebuddy.matcher.ElementMatchers.isConstructor;
  import static net.bytebuddy.matcher.ElementMatchers.named;
  
  import io.opentelemetry.instrumentation.api.util.VirtualField;
  import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
  import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
  import io.vertx.core.http.HttpClientOptions;
  import io.vertx.core.http.impl.HttpClientImpl;
  import net.bytebuddy.asm.Advice;
  import net.bytebuddy.description.type.TypeDescription;
  import net.bytebuddy.matcher.ElementMatcher;
  
  public class HttpClientImplInstrumentation implements TypeInstrumentation {
  
    @Override
    public ElementMatcher<TypeDescription> typeMatcher() {
      return named("io.vertx.core.http.impl.HttpClientImpl");
    }
  
    @Override
    public void transform(TypeTransformer transformer) {
      transformer.applyAdviceToMethod(
          isConstructor(), HttpClientImplInstrumentation.class.getName() + "$AttachStateAdvice");
    }
  
    @SuppressWarnings("unused")
    public static class AttachStateAdvice {
      @Advice.OnMethodExit(suppress = Throwable.class)
      public static void attachHttpClientOptions(
          @Advice.This HttpClientImpl client,
          @Advice.FieldValue("options") HttpClientOptions options) {
        VirtualField.find(HttpClientImpl.class, HttpClientOptions.class).set(client, options);
      }
    }
  }
  