How to parse a dynamic JSON key in a Nested JSON result?

Question

I have a JSON result in the following format which JSON Lint shows this as a "Valid Response".

My question is: how do I access the content of "question_mark" since "141", "8911", etc are all dynamic values?

My sample code for accessing value of "product".

//Consider I have the first <code>JSONObject</code> of the "search_result" array and  //I access it's "product" value as below. String product = jsonObject.optString("product"); //where jsonObject is of type JSONObject. //<code>product<code> now contains "abc". 

JSON:

{  "status": "OK",  "search_result": [              {                 "product": "abc",                 "id": "1132",                 "question_mark": {                     "141": {                         "count": "141",                         "more_description": "this is abc",                         "seq": "2"                     },                     "8911": {                         "count": "8911",                         "more_desc": "this is cup",                         "seq": "1"                     }                 },                 "name": "some name",                 "description": "This is some product"             },             {                 "product": "XYZ",                 "id": "1129",                 "question_mark": {                     "379": {                         "count": "379",                         "more_desc": "this is xyz",                         "seq": "5"                     },                     "845": {                         "count": "845",                         "more_desc": "this is table",                         "seq": "6"                     },                     "12383": {                         "count": "12383",                         "more_desc": "Jumbo",                         "seq": "4"                     },                     "257258": {                         "count": "257258",                         "more_desc": "large",                         "seq": "1"                     }                 },                 "name": "some other name",                 "description": "this is some other product"             }        ] } 

My question title "dynamic key" could be wrong but I don't know at this point what's a better name for this issue.

Any help would be greatly appreciated!

Answer 1

Use JSONObject keys() to get the key and then iterate each key to get to the dynamic value.

Roughly the code will look like:

 // searchResult refers to the current element in the array "search_result" but whats searchResult? JSONObject questionMark = searchResult.getJSONObject("question_mark"); Iterator keys = questionMark.keys();      while(keys.hasNext()) {     // loop to get the dynamic key     String currentDynamicKey = (String)keys.next();              // get the value of the dynamic key     JSONObject currentDynamicValue = questionMark.getJSONObject(currentDynamicKey);                  // do something here with the value... }