content: /*
   * Copyright 1999-2023 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.nacos.server;
  
  import com.alibaba.nacos.core.web.NacosWebBean;
  import org.springframework.core.type.classreading.MetadataReader;
  import org.springframework.core.type.classreading.MetadataReaderFactory;
  import org.springframework.core.type.filter.TypeFilter;
  import org.springframework.stereotype.Controller;
  import org.springframework.web.bind.annotation.ControllerAdvice;
  import org.springframework.web.bind.annotation.RestController;
  
  import java.io.IOException;
  import java.util.HashSet;
  import java.util.Set;
  
  /**
   * Abstract TypeFilter to filter Nacos Web Bean or not.
   *
   * @author xiweng.yy
   */
  public abstract class AbstractNacosWebBeanTypeFilter implements TypeFilter {
      
      private static final Set<String> WEB_BEAN_ANNOTATIONS = new HashSet<>();
      
      static {
          WEB_BEAN_ANNOTATIONS.add(RestController.class.getCanonicalName());
          WEB_BEAN_ANNOTATIONS.add(ControllerAdvice.class.getCanonicalName());
          WEB_BEAN_ANNOTATIONS.add(Controller.class.getCanonicalName());
          WEB_BEAN_ANNOTATIONS.add(NacosWebBean.class.getCanonicalName());
      }
      
      protected boolean isWebBean(MetadataReader metadataReader, MetadataReaderFactory metadataReaderFactory)
              throws IOException {
          for (String each : WEB_BEAN_ANNOTATIONS) {
              if (metadataReader.getAnnotationMetadata().hasAnnotation(each)) {
                  return true;
              }
          }
          return false;
      }
  }
  