content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.testing;
  
  import static net.bytebuddy.matcher.ElementMatchers.named;
  
  import io.opentelemetry.context.Context;
  import io.opentelemetry.context.Scope;
  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 AgentSpanTestingInstrumentation implements TypeInstrumentation {
  
    @Override
    public ElementMatcher<TypeDescription> typeMatcher() {
      return named("io.opentelemetry.javaagent.instrumentation.testing.AgentSpanTesting");
    }
  
    @Override
    public void transform(TypeTransformer transformer) {
      transformer.applyAdviceToMethod(
          named("runWithHttpServerSpan"), this.getClass().getName() + "$RunWithHttpServerSpanAdvice");
      transformer.applyAdviceToMethod(
          named("runWithAllSpanKeys"), this.getClass().getName() + "$RunWithAllSpanKeysAdvice");
    }
  
    @SuppressWarnings("unused")
    public static class RunWithHttpServerSpanAdvice {
  
      @Advice.OnMethodEnter(suppress = Throwable.class)
      public static void onEnter(
          @Advice.Argument(0) String spanName,
          @Advice.Local("otelContext") Context context,
          @Advice.Local("otelScope") Scope scope) {
        context = AgentSpanTestingInstrumenter.startHttpServerSpan(spanName);
        scope = context.makeCurrent();
      }
  
      @Advice.OnMethodExit(onThrowable = Throwable.class, suppress = Throwable.class)
      public static void onExit(
          @Advice.Thrown Throwable throwable,
          @Advice.Local("otelContext") Context context,
          @Advice.Local("otelScope") Scope scope) {
        scope.close();
        AgentSpanTestingInstrumenter.endHttpServer(context, throwable);
      }
    }
  
    @SuppressWarnings("unused")
    public static class RunWithAllSpanKeysAdvice {
  
      @Advice.OnMethodEnter(suppress = Throwable.class)
      public static void onEnter(
          @Advice.Argument(0) String spanName,
          @Advice.Local("otelContext") Context context,
          @Advice.Local("otelScope") Scope scope) {
        context = AgentSpanTestingInstrumenter.startSpanWithAllKeys(spanName);
        scope = context.makeCurrent();
      }
  
      @Advice.OnMethodExit(onThrowable = Throwable.class, suppress = Throwable.class)
      public static void onExit(
          @Advice.Thrown Throwable throwable,
          @Advice.Local("otelContext") Context context,
          @Advice.Local("otelScope") Scope scope) {
        scope.close();
        AgentSpanTestingInstrumenter.end(context, throwable);
      }
    }
  }
  