io.opentelemetry.javaagent.instrumentation.vertx.RouteInstrumentation Maven / Gradle / Ivy
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Instrumentation of Java libraries using OpenTelemetry.
/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/
package io.opentelemetry.javaagent.instrumentation.vertx;
import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.hasClassesNamed;
import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.implementsInterface;
import static net.bytebuddy.matcher.ElementMatchers.isMethod;
import static net.bytebuddy.matcher.ElementMatchers.named;
import static net.bytebuddy.matcher.ElementMatchers.takesArgument;
import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
import io.vertx.core.Handler;
import io.vertx.ext.web.RoutingContext;
import net.bytebuddy.asm.Advice;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.matcher.ElementMatcher;
public class RouteInstrumentation implements TypeInstrumentation {
@Override
public ElementMatcher classLoaderOptimization() {
return hasClassesNamed("io.vertx.ext.web.Route");
}
@Override
public ElementMatcher typeMatcher() {
return implementsInterface(named("io.vertx.ext.web.Route"));
}
@Override
public void transform(TypeTransformer transformer) {
transformer.applyAdviceToMethod(
isMethod().and(named("handler")).and(takesArgument(0, named("io.vertx.core.Handler"))),
this.getClass().getName() + "$HandlerAdvice");
}
@SuppressWarnings("unused")
public static class HandlerAdvice {
@Advice.OnMethodEnter(suppress = Throwable.class)
public static void wrapHandler(
@Advice.Argument(value = 0, readOnly = false) Handler handler) {
handler = new RoutingContextHandlerWrapper(handler);
}
}
}