io.opentelemetry.javaagent.instrumentation.log4j.contextdata.v2_7.Log4j27InstrumentationModule Maven / Gradle / Ivy

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Instrumentation of Java libraries using OpenTelemetry.

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

package io.opentelemetry.javaagent.instrumentation.log4j.contextdata.v2_7;

import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.hasClassesNamed;
import static java.util.Collections.singletonList;
import static net.bytebuddy.matcher.ElementMatchers.not;

import com.google.auto.service.AutoService;
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 Log4j27InstrumentationModule extends InstrumentationModule {
  public Log4j27InstrumentationModule() {
    super("log4j-context-data", "log4j-context-data-2.7");
  }

  @Override
  public ElementMatcher.Junction classLoaderMatcher() {
    // want to cover 2.7 up to (but not including) 2.17.0
    return hasClassesNamed(
            // class added in 2.7
            "org.apache.logging.log4j.core.impl.ContextDataInjectorFactory")
        .and(
            not(
                hasClassesNamed(
                    // class added in 2.17.0 and backported to 2.12.3
                    "org.apache.logging.log4j.core.lookup.ConfigurationStrSubstitutor",
                    // class added in 2.15.0
                    "org.apache.logging.log4j.core.config.arbiters.DefaultArbiter")));
  }

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