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Ravi_Joshi
Ravi_Joshi
Level 4
October 21, 2021
Solved

Need to return JsonObject from a getter in sling model exporter

  • October 21, 2021
  • 5 replies
  • 2639 views

Hi,

 

I have a requienment where I need to return json object from one getter method of sling model exporter. please suggest your thoughts.

 

Thanks,

Ravi Joshi

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Best answer by Kishore_Kumar_

hi @ravi_joshi ,

 

Use Jackson API to return JSON Getters. Something like below.

 

public ObjectNode getJSONFields() {
		ObjectMapper mapper = new ObjectMapper();
		ObjectNode objNode = mapper.createObjectNode();
		
		objNode.put("key", "value");
		return objNode;
}

5 replies

Siva_Sogalapalli
Community Advisor
Siva_SogalapalliCommunity Advisor
Community Advisor
October 21, 2021

Hi Ravi,

 

Please check http://www.sgaemsolutions.com/2017/06/sling-model-exporter-in-aem-63.html and see if that helps?

 

Thanks

    Ravi_Joshi
    Ravi_JoshiAuthor
    Level 4
    October 21, 2021

    Hi Shiva,

     

    This article is really helpful. But I would like to add more points on my requirenment.

    Like we have an exporter and that exporter has a method say "public JSONobject getJson()" and it is returning a json object. And when I call exporter it will give me the json returned from the "getJson" as "'json':'{{JSON string from the getJson method}}'". Now I was thinking if we can replace the string as json object only like " 'json':{{JSON string from the getJson method}} " this.

    Please let me know if you have any thoughts on the same.

     

    Thanks,

    Ravi Joshi

      Ravi_Joshi
      Ravi_JoshiAuthor
      Level 4
      October 21, 2021

      I would like to add more points on my requirenment.

      Like we have an exporter and that exporter has a method say "public JSONobject getJson()" and it is returning a json object. And when I call exporter it will give me the json returned from the "getJson" as "'json':'{{JSON string from the getJson method}}'". Now I was thinking if we can replace the string as json object only like " 'json':{{JSON string from the getJson method}} " this.

      Please let me know if you have any thoughts on the same.

        Kishore_Kumar_
        Kishore_Kumar_Accepted solution
        Level 9
        October 21, 2021

        hi @ravi_joshi ,

         

        Use Jackson API to return JSON Getters. Something like below.

         

        public ObjectNode getJSONFields() {
		ObjectMapper mapper = new ObjectMapper();
		ObjectNode objNode = mapper.createObjectNode();
		
		objNode.put("key", "value");
		return objNode;
}
          Ravi_Joshi
          Ravi_JoshiAuthor
          Level 4
          October 22, 2021

          Thanks Kishore. It worked and was a good learning about object node.

            SantoshSai
            Community Advisor
            SantoshSaiCommunity Advisor
            Community Advisor
            October 21, 2021

            Hi @ravi_joshi 

             

            Kindly review https://experienceleague.adobe.com/docs/experience-manager-learn/foundation/development/develop-sling-model-exporter.html?lang=en 

            hope this helps you!

             

            Regards,

            Santosh

            https://www.techinnovia.com/blog/

            Santosh Sai
              Ravi_Joshi
              Ravi_JoshiAuthor
              Level 4
              October 22, 2021

              Thanks Santosh for sharing this article. It was a good learning in it and was very helpful.

                Vijayalakshmi_S
                Vijayalakshmi_S
                Level 10
                October 21, 2021

                Hi @ravi_joshi,

                You can use @JsonRawValue Jackson annotation(com.fasterxml.jackson.annotation.JsonRawValue) to the desired field. 

                JSONObject is from org.json.* family

                    @Getter
    @JsonRawValue
    private String json;

    @PostConstruct
     protected void init(){
         /* Populating JSONObject */
         JSONObject jsonObj = new JSONObject();
         try {
             jsonObj.put("jsonKey", "jsonValue");
             jsonObj.put("jsonKey1", "jsonValue1");
             json = jsonObj.toString();
         } catch (JSONException e) {
             LOG.error("JSONException={}", e.getMessage());
         }
     }

                 

                  Ravi_Joshi
                  Ravi_JoshiAuthor
                  Level 4
                  October 22, 2021

                  Thanks @vijayalakshmi_s . It is working solution for the problem. And It was a great learning about "JsonRawValue" annotation.

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