content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.servlet.v3_0;
  
  import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.hasClassesNamed;
  import static java.util.Arrays.asList;
  
  import com.google.auto.service.AutoService;
  import io.opentelemetry.javaagent.extension.instrumentation.InstrumentationModule;
  import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
  import io.opentelemetry.javaagent.extension.instrumentation.internal.ExperimentalInstrumentationModule;
  import io.opentelemetry.javaagent.instrumentation.servlet.common.async.AsyncContextInstrumentation;
  import io.opentelemetry.javaagent.instrumentation.servlet.common.async.AsyncContextStartInstrumentation;
  import io.opentelemetry.javaagent.instrumentation.servlet.common.async.AsyncStartInstrumentation;
  import io.opentelemetry.javaagent.instrumentation.servlet.common.response.HttpServletResponseInstrumentation;
  import io.opentelemetry.javaagent.instrumentation.servlet.common.service.ServletAndFilterInstrumentation;
  import io.opentelemetry.javaagent.instrumentation.servlet.common.service.ServletOutputStreamInstrumentation;
  import java.util.List;
  import net.bytebuddy.matcher.ElementMatcher;
  
  @AutoService(InstrumentationModule.class)
  public class Servlet3InstrumentationModule extends InstrumentationModule
      implements ExperimentalInstrumentationModule {
    private static final String BASE_PACKAGE = "javax.servlet";
  
    public Servlet3InstrumentationModule() {
      super("servlet", "servlet-3.0");
    }
  
    @Override
    public ElementMatcher.Junction<ClassLoader> classLoaderMatcher() {
      return hasClassesNamed("javax.servlet.ServletRegistration");
    }
  
    @Override
    public String getModuleGroup() {
      // depends on servlet instrumentation
      return "servlet";
    }
  
    @Override
    public List<TypeInstrumentation> typeInstrumentations() {
      return asList(
          new AsyncContextInstrumentation(BASE_PACKAGE, adviceClassName(".AsyncDispatchAdvice")),
          new AsyncContextStartInstrumentation(
              BASE_PACKAGE, adviceClassName(".Servlet3AsyncContextStartAdvice")),
          new AsyncStartInstrumentation(BASE_PACKAGE, adviceClassName(".Servlet3AsyncStartAdvice")),
          new ServletAndFilterInstrumentation(
              BASE_PACKAGE,
              adviceClassName(".Servlet3Advice"),
              adviceClassName(".Servlet3InitAdvice"),
              adviceClassName(".Servlet3FilterInitAdvice")),
          new ServletOutputStreamInstrumentation(
              BASE_PACKAGE,
              adviceClassName(".Servlet3OutputStreamWriteBytesAndOffsetAdvice"),
              adviceClassName(".Servlet3OutputStreamWriteBytesAdvice"),
              adviceClassName(".Servlet3OutputStreamWriteIntAdvice")),
          new HttpServletResponseInstrumentation(
              BASE_PACKAGE, adviceClassName(".Servlet3ResponseSendAdvice")));
    }
  
    private static String adviceClassName(String suffix) {
      return Servlet3InstrumentationModule.class.getPackage().getName() + suffix;
    }
  
    @Override
    public boolean isIndyReady() {
      return true;
    }
  }
  