How to Access Dynamic JSON Keys in Nested JSON Results?
How to Access Dynamic JSON Keys in Nested JSON Results
Problem:
You have a nested JSON result with dynamic keys, such as "141", "8911", etc. You need to access the content of these dynamic keys, such as the "count" or "more_description" values.
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" } ] }
Solution:
To access the content of dynamic JSON keys, follow these steps:
- Obtain the JSONObject representing the "question_mark" object using JSONObject.getJSONObject("question_mark").
- Use JSONObject.keys() to get an Iterator of the dynamic keys.
- Iterate through the keys using the Iterator.hasNext() and Iterator.next() methods.
- For each dynamic key, use JSONObject.getJSONObject(String key) to get the corresponding JSONObject representing the dynamic value.
- Access the desired values from the JSONObject representing the dynamic value.
Java Code:
JSONObject questionMark = searchResult.getJSONObject("question_mark"); Iterator keys = questionMark.keys(); while(keys.hasNext()) { String currentDynamicKey = (String)keys.next(); JSONObject currentDynamicValue = questionMark.getJSONObject(currentDynamicKey); // Access and manipulate the content of the currentDynamicValue... }
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