content: /**
   * Copyright (C) 2024 AIDC-AI
   * <p>
   * 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
   * <p>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p>
   * 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.langengine.mcp.spec;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.JSONException;
  import com.alibaba.fastjson.JSONObject;
  import com.alibaba.langengine.mcp.spec.schema.JsonSchema;
  
  import java.io.IOException;
  
  public class McpJsonUtil {
  
      public static JSONRPCMessage deserializeJsonRpcMessage(String jsonText) throws IOException {
          JSONObject map = JSON.parseObject(jsonText);
  
          // Determine message type based on specific JSON structure
          if (map.containsKey("method") && map.containsKey("id")) {
              return map.toJavaObject(JSONRPCRequest.class);
          } else if (map.containsKey("method") && !map.containsKey("id")) {
              return map.toJavaObject(JSONRPCNotification.class);
          } else if (map.containsKey("result") || map.containsKey("error")) {
              return map.toJavaObject(JSONRPCResponse.class);
          }
  
          throw new IllegalArgumentException("Cannot deserialize JSONRPCMessage: " + jsonText);
      }
  
      public static JsonSchema parseSchema(String schema) {
          try {
              return JSON.parseObject(schema, JsonSchema.class);
          } catch (JSONException e) {
              throw new IllegalArgumentException("Invalid schema: " + schema, e);
          }
      }
  }
  