content: /*
   * 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<ClassLoader> 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<TypeInstrumentation> typeInstrumentations() {
      return singletonList(new ContextDataInjectorFactoryInstrumentation());
    }
  }
  