content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.tapestry;
  
  import static io.opentelemetry.instrumentation.api.semconv.http.HttpServerRouteSource.CONTROLLER;
  import static io.opentelemetry.javaagent.bootstrap.Java8BytecodeBridge.currentContext;
  import static net.bytebuddy.matcher.ElementMatchers.isMethod;
  import static net.bytebuddy.matcher.ElementMatchers.isPublic;
  import static net.bytebuddy.matcher.ElementMatchers.named;
  import static net.bytebuddy.matcher.ElementMatchers.takesArgument;
  import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
  
  import io.opentelemetry.instrumentation.api.semconv.http.HttpServerRoute;
  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.apache.tapestry5.services.ComponentEventRequestParameters;
  import org.apache.tapestry5.services.PageRenderRequestParameters;
  
  public class InitializeActivePageNameInstrumentation implements TypeInstrumentation {
  
    @Override
    public ElementMatcher<TypeDescription> typeMatcher() {
      return named("org.apache.tapestry5.services.InitializeActivePageName");
    }
  
    @Override
    public void transform(TypeTransformer transformer) {
      transformer.applyAdviceToMethod(
          isMethod()
              .and(isPublic())
              .and(named("handleComponentEvent"))
              .and(takesArguments(2))
              .and(
                  takesArgument(
                      0, named("org.apache.tapestry5.services.ComponentEventRequestParameters")))
              .and(takesArgument(1, named("org.apache.tapestry5.services.ComponentRequestHandler"))),
          this.getClass().getName() + "$HandleComponentEventAdvice");
      transformer.applyAdviceToMethod(
          isMethod()
              .and(isPublic())
              .and(named("handlePageRender"))
              .and(takesArguments(2))
              .and(
                  takesArgument(
                      0, named("org.apache.tapestry5.services.PageRenderRequestParameters")))
              .and(takesArgument(1, named("org.apache.tapestry5.services.ComponentRequestHandler"))),
          this.getClass().getName() + "$HandlePageRenderAdvice");
    }
  
    @SuppressWarnings("unused")
    public static class HandleComponentEventAdvice {
  
      @Advice.OnMethodEnter(suppress = Throwable.class)
      public static void onEnter(@Advice.Argument(0) ComponentEventRequestParameters parameters) {
        HttpServerRoute.update(
            currentContext(),
            CONTROLLER,
            TapestryServerSpanNaming.SERVER_SPAN_NAME,
            parameters.getActivePageName());
      }
    }
  
    @SuppressWarnings("unused")
    public static class HandlePageRenderAdvice {
  
      @Advice.OnMethodEnter(suppress = Throwable.class)
      public static void onEnter(@Advice.Argument(0) PageRenderRequestParameters parameters) {
        HttpServerRoute.update(
            currentContext(),
            CONTROLLER,
            TapestryServerSpanNaming.SERVER_SPAN_NAME,
            parameters.getLogicalPageName());
      }
    }
  }
  