content: /*
   *  Copyright (C) 2018-2019 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.annotation.JsonInclude;
  import com.fasterxml.jackson.core.JsonProcessingException;
  import com.fasterxml.jackson.databind.ObjectMapper;
  
  import java.io.IOException;
  import java.io.OutputStream;
  
  public class FlowJsonObjectWriter extends ObjectMapper {
  
      public FlowJsonObjectWriter withExcludeNullValues() {
          this.setSerializationInclusion(JsonInclude.Include.NON_NULL);
          return this;
      }
  
      public void writeValue(OutputStream outStream, Object value) throws IOException {
          super.writeValue(outStream, value);
      }
  
      public String writeAsString(Object value) throws IOException {
          try {
              return super.writeValueAsString(value);
          } catch (JsonProcessingException e) {
              throw new IOException(e);
          }
      }
  }
  