content: /*
   *
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.cloudapp.seata;
  
  import com.alibaba.cloudapp.api.seata.TransactionalInterceptor;
  import com.alibaba.cloudapp.api.seata.TransactionalInterceptorProxy;
  import org.springframework.boot.ApplicationArguments;
  import org.springframework.boot.ApplicationRunner;
  import org.springframework.context.ApplicationContext;
  import org.springframework.context.ApplicationContextAware;
  import org.springframework.context.ConfigurableApplicationContext;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  
  public class TransactionalInterceptorProxyImpl implements ApplicationRunner,
          TransactionalInterceptorProxy, ApplicationContextAware {
      
      protected static final List<TransactionalInterceptor> interceptors =
              new ArrayList<>();
      
      private ApplicationContext applicationContext;
      
      
      public TransactionalInterceptorProxyImpl() {
      }
      
      @Override
      public List<TransactionalInterceptor> getInterceptors() {
          return interceptors;
      }
      
      @Override
      public void addInterceptor(TransactionalInterceptor interceptor) {
          if(!interceptors.contains(interceptor)) {
              interceptors.add(interceptor);
          }
      }
      
      public void addInterceptors(List<TransactionalInterceptor> list) {
          interceptors.addAll(list);
      }
  
      @Override
      public void setApplicationContext(ApplicationContext applicationContext) {
          this.applicationContext = applicationContext;
      }
      
      @Override
      public void run(ApplicationArguments args) {
          if(applicationContext instanceof ConfigurableApplicationContext) {
              ConfigurableApplicationContext context =
                      (ConfigurableApplicationContext) applicationContext;
              
              Map<String, TransactionalInterceptor> beans =
                      context.getBeansOfType(TransactionalInterceptor.class);
              for (TransactionalInterceptor bean : beans.values()) {
                  addInterceptor(bean);
              }
          }
      }
      
  }
  