content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.alibaba.druid.support.spring.stat.annotation;
  
  import com.alibaba.druid.support.spring.stat.DruidStatInterceptor;
  import org.aopalliance.aop.Advice;
  import org.springframework.aop.Pointcut;
  import org.springframework.aop.support.AbstractPointcutAdvisor;
  import org.springframework.aop.support.ComposablePointcut;
  import org.springframework.aop.support.annotation.AnnotationMatchingPointcut;
  import org.springframework.beans.BeansException;
  import org.springframework.beans.factory.BeanFactory;
  import org.springframework.beans.factory.BeanFactoryAware;
  
  @SuppressWarnings("serial")
  public class StatAnnotationAdvisor extends AbstractPointcutAdvisor implements BeanFactoryAware {
      private Advice advice;
      private Pointcut pointcut;
      private DruidStatInterceptor druidStatInterceptor;
  
      public StatAnnotationAdvisor(DruidStatInterceptor druidStatInterceptor) {
          this.druidStatInterceptor = druidStatInterceptor;
          this.advice = buildAdvice();
          this.pointcut = buildPointcut();
      }
  
      public Pointcut getPointcut() {
          return this.pointcut;
      }
  
      public Advice getAdvice() {
          return this.advice;
      }
  
      public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
          if (this.advice instanceof BeanFactoryAware) {
              ((BeanFactoryAware) this.advice).setBeanFactory(beanFactory);
          }
      }
  
      protected Advice buildAdvice() {
          return druidStatInterceptor;
      }
  
      protected Pointcut buildPointcut() {
          Pointcut cpc = new AnnotationMatchingPointcut(Stat.class, true);
          Pointcut mpc = AnnotationMatchingPointcut.forMethodAnnotation(Stat.class);
  
          ComposablePointcut result = new ComposablePointcut(cpc).union(mpc);
  
          return result;
      }
  
  }
  