JavaArgumentsSerializer.java

/*
** Module   : JavaArgumentsSerializer.java
** Abstract : A serializer for the response of java REST services.
**
** Copyright (c) 2022, Golden Code Development Corporation.
**
** -#- -I- --Date-- ---------------------------------------Description----------------------------------------
** 001 CA  20220323 Created initial version.
*/
/*
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU Affero General Public License as
** published by the Free Software Foundation, either version 3 of the
** License, or (at your option) any later version.
**
** This program 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 for more details.
**
** You may find a copy of the GNU Affero GPL version 3 at the following
** location: https://www.gnu.org/licenses/agpl-3.0.en.html
** 
** Additional terms under GNU Affero GPL version 3 section 7:
** 
**   Under Section 7 of the GNU Affero GPL version 3, the following additional
**   terms apply to the works covered under the License.  These additional terms
**   are non-permissive additional terms allowed under Section 7 of the GNU
**   Affero GPL version 3 and may not be removed by you.
** 
**   0. Attribution Requirement.
** 
**     You must preserve all legal notices or author attributions in the covered
**     work or Appropriate Legal Notices displayed by works containing the covered
**     work.  You may not remove from the covered work any author or developer
**     credit already included within the covered work.
** 
**   1. No License To Use Trademarks.
** 
**     This license does not grant any license or rights to use the trademarks
**     Golden Code, FWD, any Golden Code or FWD logo, or any other trademarks
**     of Golden Code Development Corporation. You are not authorized to use the
**     name Golden Code, FWD, or the names of any author or contributor, for
**     publicity purposes without written authorization.
** 
**   2. No Misrepresentation of Affiliation.
** 
**     You may not represent yourself as Golden Code Development Corporation or FWD.
** 
**     You may not represent yourself for publicity purposes as associated with
**     Golden Code Development Corporation, FWD, or any author or contributor to
**     the covered work, without written authorization.
** 
**   3. No Misrepresentation of Source or Origin.
** 
**     You may not represent the covered work as solely your work.  All modified
**     versions of the covered work must be marked in a reasonable way to make it
**     clear that the modified work is not originating from Golden Code Development
**     Corporation or FWD.  All modified versions must contain the notices of
**     attribution required in this license.
*/

package com.goldencode.p2j.rest;

import java.io.*;

import javax.servlet.http.*;

import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.node.*;
import com.goldencode.p2j.rest.serializers.*;

/**
 * A serializer for {@link JavaRestService} parameters which will appear in the response.
 */
public class JavaArgumentsSerializer
extends ArgumentsSerializer
{
   /**
    * Create a new instance.
    * 
    * @param    argumentsSerializer
    *           The main serializer used to write the arguments for this service call, to the REST response.
    */
   public JavaArgumentsSerializer(ResponseArguments argumentsSerializer)
   {
      super(argumentsSerializer);
   }

   /**
    * Serialize this argument's value, considering the target format.
    * 
    * @param    stream
    *           The response stream.
    * @param    target
    *           The argument's encoded target.
    * @param    val
    *           The argument's value.
    * @param    response
    *           The HTTP response.
    */
   @Override
   protected void writeArgument(OutputStream stream, String target, Object val, HttpServletResponse response)
   throws IOException
   {
      JsonNode oval;
      String sval = null;
      if (val == null)
      {
         oval = JsonNodeFactory.instance.nullNode();
      }
      else
      {
         JavaTypeSerializer serializer = JavaTypeSerializer.getSerializer(val.getClass().getTypeName());
      
         oval = serializer.toJson(val);
         sval = oval.toString();
      }

      argumentsSerializer.writeArgumentInt(stream, target, sval, oval, response);
   }
}