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.naming.paramcheck;
  
  import com.alibaba.nacos.api.common.Constants;
  import com.alibaba.nacos.core.paramcheck.AbstractHttpParamExtractor;
  import com.alibaba.nacos.common.paramcheck.ParamInfo;
  import com.alibaba.nacos.common.utils.StringUtils;
  
  import jakarta.servlet.http.HttpServletRequest;
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Naming instance list http param extractor.
   *
   * @author zhuoguang
   */
  public class NamingInstanceListHttpParamExtractor extends AbstractHttpParamExtractor {
  
      @Override
      public List<ParamInfo> extractParam(HttpServletRequest request) {
          ParamInfo paramInfo = new ParamInfo();
          String serviceName = request.getParameter("serviceName");
          String groupName = request.getParameter("groupName");
          String groupServiceName = serviceName;
          if (StringUtils.isNotBlank(groupServiceName) && groupServiceName.contains(Constants.SERVICE_INFO_SPLITER)) {
              String[] splits = groupServiceName.split(Constants.SERVICE_INFO_SPLITER, 2);
              groupName = splits[0];
              serviceName = splits[1];
          }
          paramInfo.setServiceName(serviceName);
          paramInfo.setGroup(groupName);
          paramInfo.setNamespaceId(request.getParameter("namespaceId"));
          paramInfo.setClusters(request.getParameter("clusters"));
          ArrayList<ParamInfo> paramInfos = new ArrayList<>();
          paramInfos.add(paramInfo);
          return paramInfos;
      }
  }
  