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.config.server.paramcheck;
  
  import com.alibaba.nacos.common.paramcheck.ParamInfo;
  import com.alibaba.nacos.common.utils.StringUtils;
  import com.alibaba.nacos.core.paramcheck.AbstractHttpParamExtractor;
  
  import jakarta.servlet.http.HttpServletRequest;
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Config default http param extractor.
   *
   * @author zhuoguang
   */
  public class ConfigDefaultHttpParamExtractor extends AbstractHttpParamExtractor {
      
      @Override
      public List<ParamInfo> extractParam(HttpServletRequest request) {
          ParamInfo paramInfo = new ParamInfo();
          paramInfo.setNamespaceId(getAliasNamespaceId(request));
          paramInfo.setDataId(getAliasDataId(request));
          paramInfo.setGroup(getAliasGroup(request));
          paramInfo.setIp(getAliasIp(request));
          ArrayList<ParamInfo> paramInfos = new ArrayList<>();
          paramInfos.add(paramInfo);
          return paramInfos;
      }
      
      private String getAliasNamespaceId(HttpServletRequest request) {
          String namespaceid = request.getParameter("namespaceId");
          if (StringUtils.isBlank(namespaceid)) {
              namespaceid = request.getParameter("tenant");
          }
          if (StringUtils.isBlank(namespaceid)) {
              namespaceid = request.getParameter("namespace");
          }
          return namespaceid;
      }
      
      private String getAliasDataId(HttpServletRequest request) {
          String dataid = request.getParameter("dataId");
          return dataid;
      }
      
      private String getAliasGroup(HttpServletRequest request) {
          String group = request.getParameter("groupName");
          if (StringUtils.isBlank(group)) {
              group = request.getParameter("group");
          }
          return group;
      }
      
      private String getAliasIp(HttpServletRequest request) {
          String ip = request.getParameter("ip");
          return ip;
      }
  }
  