content: /*
   *  Copyright (C) 2019 Stichting Akvo (Akvo Foundation)
   *
   *  This file is part of Akvo FLOW.
   *
   *  Akvo FLOW is free software: you can redistribute it and modify it under the terms of
   *  the GNU Affero General Public License (AGPL) as published by the Free Software Foundation,
   *  either version 3 of the License or any later version.
   *
   *  Akvo FLOW is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
   *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   *  See the GNU Affero General Public License included below for more details.
   *
   *  The full license text can also be seen at <http://www.gnu.org/licenses/agpl.html>.
   */
  
  package org.akvo.flow.util;
  
  import com.fasterxml.jackson.core.type.TypeReference;
  import com.fasterxml.jackson.databind.JsonNode;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import com.fasterxml.jackson.databind.JavaType;
  import com.fasterxml.jackson.databind.ObjectReader;
  
  import java.io.IOException;
  import java.net.URL;
  import java.util.List;
  
  public class FlowJsonObjectReader extends ObjectMapper {
  
      public <T> T readObject(String jsonString, TypeReference<T> typeReference) throws IOException {
          return this.readValue(jsonString, typeReference);
      }
  
      public <T> List<T> readDtoListObject(String dtoListJsonString, TypeReference<T> listItemTypeReference) throws IOException {
  
          JavaType listItemType = this.getTypeFactory().constructType(listItemTypeReference);
          JavaType type = this.getTypeFactory().constructParametrizedType(List.class,List.class, listItemType);
          ObjectReader reader = this.readerFor(type);
  
          JsonNode dtoListNode = this.readTree(dtoListJsonString).get("dtoList");
          return reader.readValue(dtoListNode);
      }
  
      public <T> T readObject(URL url, TypeReference<T> typeReference) throws IOException {
          return this.readValue(url, typeReference);
      }
  }
  