I'm trying to create an JSONObject with a specific key and empty value. But the value should be a JSONObject and not a JSONArray.
I already tried it with localJson.append(key, JSONObject.NULL); or localJson.append(key, new JSONObject());.
Each time the value is a JSONArray with the value[0] = null or just [{}]
Is there any way to make it a JSONObject?
Using org.codehaus.jettison.json.JSONObject:
Use public JSONObject put(String key, Object value)instead of append method.
Your code isn't working because method JSONObject append(String key, Object value) is defined as follows:
public JSONObject append(String key, Object value) throws JSONException {
testValidity(value);
Object o = opt(key);
if (o == null) {
put(key, new JSONArray().put(value));
} else if (!(o instanceof JSONArray)){
throw new JSONException("JSONObject[" + key + "] is not a JSONArray.");
} else {
put(key, new JSONArray().put(o).put(value));
}
return this;
}
