content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.quarkus.resteasy.reactive;
  
  import static net.bytebuddy.matcher.ElementMatchers.named;
  
  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;
  import org.jboss.resteasy.reactive.common.core.AbstractResteasyReactiveContext;
  import org.jboss.resteasy.reactive.server.core.ResteasyReactiveRequestContext;
  
  public class AbstractResteasyReactiveContextInstrumentation implements TypeInstrumentation {
    @Override
    public ElementMatcher<TypeDescription> typeMatcher() {
      return named("org.jboss.resteasy.reactive.common.core.AbstractResteasyReactiveContext");
    }
  
    @Override
    public void transform(TypeTransformer transformer) {
      transformer.applyAdviceToMethod(
          named("run"),
          AbstractResteasyReactiveContextInstrumentation.class.getName() + "$RunAdvice");
    }
  
    @SuppressWarnings("unused")
    public static class RunAdvice {
  
      @Advice.OnMethodEnter(suppress = Throwable.class)
      public static OtelRequestContext onEnter(
          @Advice.This AbstractResteasyReactiveContext<?, ?> requestContext) {
        if (requestContext instanceof ResteasyReactiveRequestContext) {
          ResteasyReactiveRequestContext context = (ResteasyReactiveRequestContext) requestContext;
          return OtelRequestContext.start(context);
        }
        return null;
      }
  
      @Advice.OnMethodExit(onThrowable = Throwable.class, suppress = Throwable.class)
      public static void onExit(@Advice.Enter OtelRequestContext context) {
        if (context != null) {
          context.close();
        }
      }
    }
  }
  