content: /*
   * Copyright 2021 Alibaba Group Holding Limited.
   *
   * 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.graphscope.column;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.JSONObject;
  
  public class ParamGetter {
      private JSONObject jsonObject;
  
      public ParamGetter() {}
  
      public void init(String str) {
          jsonObject = JSON.parseObject(str);
      }
  
      public String get(String str) {
          return jsonObject.getString(str);
      }
  
      public String getOrDefault(String str, String defaultValue) {
          String res = jsonObject.getString(str);
          if (res == null) return defaultValue;
          return res;
      }
  
      public Long getLong(String str) {
          return jsonObject.getLong(str);
      }
  
      public Double getDouble(String str) {
          return jsonObject.getDouble(str);
      }
  
      public Integer getInteger(String str) {
          return jsonObject.getInteger(str);
      }
  }
  