content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.viburdbcp.v11_0;
  
  import static io.opentelemetry.javaagent.instrumentation.viburdbcp.v11_0.ViburSingletons.telemetry;
  import static net.bytebuddy.matcher.ElementMatchers.named;
  import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
  
  import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
  import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
  import net.bytebuddy.asm.Advice;
  import net.bytebuddy.description.type.TypeDescription;
  import net.bytebuddy.matcher.ElementMatcher;
  import org.vibur.dbcp.ViburDBCPDataSource;
  
  final class ViburDbcpDataSourceInstrumentation implements TypeInstrumentation {
  
    @Override
    public ElementMatcher<TypeDescription> typeMatcher() {
      return named("org.vibur.dbcp.ViburDBCPDataSource");
    }
  
    @Override
    public void transform(TypeTransformer transformer) {
      transformer.applyAdviceToMethod(
          named("start").and(takesArguments(0)), this.getClass().getName() + "$StartAdvice");
      transformer.applyAdviceToMethod(
          named("close").and(takesArguments(0)), this.getClass().getName() + "$CloseAdvice");
    }
  
    @SuppressWarnings("unused")
    public static class StartAdvice {
  
      @Advice.OnMethodExit(suppress = Throwable.class)
      public static void onExit(@Advice.This ViburDBCPDataSource dataSource) {
        telemetry().registerMetrics(dataSource);
      }
    }
  
    @SuppressWarnings("unused")
    public static class CloseAdvice {
  
      @Advice.OnMethodExit(suppress = Throwable.class, onThrowable = Throwable.class)
      public static void onExit(@Advice.This ViburDBCPDataSource dataSource) {
        telemetry().unregisterMetrics(dataSource);
      }
    }
  }
  