io.opentelemetry.javaagent.instrumentation.spring.web.v6_0.SpringWebInstrumentationModule Maven / Gradle / Ivy

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/*
 * Copyright The OpenTelemetry Authors
 * SPDX-License-Identifier: Apache-2.0
 */

package io.opentelemetry.javaagent.instrumentation.spring.web.v6_0;

import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.hasClassesNamed;
import static java.util.Collections.singletonList;

import com.google.auto.service.AutoService;
import io.opentelemetry.javaagent.extension.instrumentation.HelperResourceBuilder;
import io.opentelemetry.javaagent.extension.instrumentation.InstrumentationModule;
import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
import java.util.List;
import net.bytebuddy.matcher.ElementMatcher;

@AutoService(InstrumentationModule.class)
public class SpringWebInstrumentationModule extends InstrumentationModule {

  public SpringWebInstrumentationModule() {
    super("spring-web", "spring-web-6.0");
  }

  @Override
  public ElementMatcher.Junction classLoaderMatcher() {
    // class added in 6.0
    return hasClassesNamed("org.springframework.web.ErrorResponse");
  }

  @Override
  public void registerHelperResources(HelperResourceBuilder helperResourceBuilder) {
    // make the filter class file loadable by ClassPathResource - in some cases (e.g. spring-guice,
    // see https://github.com/open-telemetry/opentelemetry-java-instrumentation/issues/7428) Spring
    // might want to read the class file metadata; this line will make the filter class file visible
    // to the bean class loader
    helperResourceBuilder.register(
        "org/springframework/web/servlet/v6_0/OpenTelemetryHandlerMappingFilter.class");
  }

  @Override
  public List typeInstrumentations() {
    return singletonList(new WebApplicationContextInstrumentation());
  }
}