content: /*
   * Copyright 1999-2021 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.auth.parser;
  
  import com.alibaba.nacos.auth.annotation.Secured;
  import com.alibaba.nacos.plugin.auth.api.Resource;
  import com.alibaba.nacos.plugin.auth.constant.Constants;
  
  import java.util.Properties;
  
  /**
   * Abstract Resource parser.
   *
   * @author xiweng.yy
   * @since 2.1.0
   */
  public abstract class AbstractResourceParser<R> implements ResourceParser<R> {
      
      @Override
      public Resource parse(R request, Secured secured) {
          String namespaceId = getNamespaceId(request, secured);
          String group = getGroup(request);
          String name = getResourceName(request);
          Properties properties = getProperties(request);
          String action = secured.action().toString();
          properties.putIfAbsent(Constants.Resource.ACTION, action);
          injectTagsToProperties(properties, secured);
          return new Resource(namespaceId, group, name, secured.signType(), properties);
      }
      
      /**
       * Get namespaceId from request.
       *
       * @param request request
       * @return namespaceId
       */
      protected abstract String getNamespaceId(R request);
      
      /**
       * Get namespaceId from request and secured. No implementation is required by default,this method can be rewrited
       * with special processing.
       *
       * @param request request
       * @param secured secured
       * @return namespaceId
       */
      protected String getNamespaceId(R request, Secured secured) {
          return getNamespaceId(request);
      }
      
      /**
       * Get group name from request.
       *
       * @param request request
       * @return group name
       */
      protected abstract String getGroup(R request);
      
      /**
       * Get resource name from request.
       *
       * @param request request
       * @return resource name
       */
      protected abstract String getResourceName(R request);
      
      /**
       * Get custom properties from request.
       *
       * @param request request
       * @return custom properties
       */
      protected abstract Properties getProperties(R request);
      
      /**
       * Inject tags defined in {@link Secured#tags()} into Resource properties, both key and value.
       *
       * @param properties properties in resource
       * @param secured    secured
       */
      protected void injectTagsToProperties(Properties properties, Secured secured) {
          for (String each : secured.tags()) {
              properties.put(each, each);
          }
      }
  }
  