content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.jaxrs.v2_0;
  
  import static io.opentelemetry.javaagent.instrumentation.jaxrs.v2_0.ResteasySingletons.INVOKER_NAME;
  import static io.opentelemetry.javaagent.instrumentation.jaxrs.v2_0.ResteasySingletons.LOCATOR_NAME;
  import static net.bytebuddy.matcher.ElementMatchers.named;
  import static net.bytebuddy.matcher.ElementMatchers.namedOneOf;
  import static net.bytebuddy.matcher.ElementMatchers.takesArgument;
  
  import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
  import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
  import io.opentelemetry.javaagent.instrumentation.jaxrs.JaxrsPathUtil;
  import net.bytebuddy.asm.Advice;
  import net.bytebuddy.description.type.TypeDescription;
  import net.bytebuddy.implementation.bytecode.assign.Assigner;
  import net.bytebuddy.matcher.ElementMatcher;
  import org.jboss.resteasy.core.ResourceLocatorInvoker;
  import org.jboss.resteasy.core.ResourceMethodInvoker;
  
  public class ResteasyRootNodeTypeInstrumentation implements TypeInstrumentation {
    @Override
    public ElementMatcher<TypeDescription> typeMatcher() {
      return named("org.jboss.resteasy.core.registry.RootNode");
    }
  
    @Override
    public void transform(TypeTransformer transformer) {
      transformer.applyAdviceToMethod(
          named("addInvoker")
              .and(takesArgument(0, String.class))
              // package of ResourceInvoker was changed in reasteasy 4
              .and(
                  takesArgument(
                      1,
                      namedOneOf(
                          "org.jboss.resteasy.core.ResourceInvoker",
                          "org.jboss.resteasy.spi.ResourceInvoker"))),
          ResteasyRootNodeTypeInstrumentation.class.getName() + "$AddInvokerAdvice");
    }
  
    @SuppressWarnings("unused")
    public static class AddInvokerAdvice {
  
      @Advice.OnMethodEnter(suppress = Throwable.class)
      public static void addInvoker(
          @Advice.Argument(0) String path,
          @Advice.Argument(value = 1, typing = Assigner.Typing.DYNAMIC) Object invoker) {
        String normalizedPath = JaxrsPathUtil.normalizePath(path);
        if (invoker instanceof ResourceLocatorInvoker) {
          ResourceLocatorInvoker resourceLocatorInvoker = (ResourceLocatorInvoker) invoker;
          LOCATOR_NAME.set(resourceLocatorInvoker, normalizedPath);
        } else if (invoker instanceof ResourceMethodInvoker) {
          ResourceMethodInvoker resourceMethodInvoker = (ResourceMethodInvoker) invoker;
          INVOKER_NAME.set(resourceMethodInvoker, normalizedPath);
        }
      }
    }
  }
  