content: /*
   * Copyright 1999-2025 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.ai.param;
  
  import com.alibaba.nacos.api.ai.model.a2a.AgentCard;
  import com.alibaba.nacos.api.exception.NacosException;
  import com.alibaba.nacos.common.paramcheck.ParamInfo;
  import com.alibaba.nacos.common.utils.JacksonUtils;
  import com.alibaba.nacos.common.utils.StringUtils;
  import com.alibaba.nacos.core.paramcheck.AbstractHttpParamExtractor;
  import jakarta.servlet.http.HttpServletRequest;
  
  import java.util.Collections;
  import java.util.List;
  
  /**
   * Nacos AI Agent or AgentCard param extractor.
   *
   * @author xiweng.yy
   */
  public class AgentHttpParamExtractor extends AbstractHttpParamExtractor {
      
      private static final String AGENT_CARD_PARAM = "agentCard";
      
      @Override
      public List<ParamInfo> extractParam(HttpServletRequest request) throws NacosException {
          ParamInfo paramInfo = new ParamInfo();
          paramInfo.setNamespaceId(request.getParameter("namespaceId"));
          paramInfo.setAgentName(request.getParameter("agentName"));
          if (request.getParameterMap().containsKey(AGENT_CARD_PARAM)) {
              paramInfo.setAgentName(deserializeAndGetAgentName(request.getParameter(AGENT_CARD_PARAM)));
          }
          return Collections.singletonList(paramInfo);
      }
      
      private String deserializeAndGetAgentName(String agentCardJson) {
          try {
              AgentCard agentCard = JacksonUtils.toObj(agentCardJson, AgentCard.class);
              return agentCard.getName();
          } catch (Exception ignored) {
              return StringUtils.EMPTY;
          }
      }
  }
  