@SuppressWarnings("unchecked")
private static JSONObject fromPairs(Pair pair) throws JSONException {
JSONObject json = new JSONObject();
if (pair.isEmpty()) return json;
if (pair.isEmpty() == false) {
Object first = pair.getFirst();
if (first instanceof Pair) {
Pair firstPair = (Pair) first;
String key = firstPair.first.toString();
Object value = firstPair.rest();
if (value instanceof Pair) {
Pair valuePair = (Pair) value;
if (valuePair.first instanceof Pair) value = JSONHelper.fromPairs(valuePair);
else value = JSONHelper.listFromPairs(valuePair);
value = valuePair.toString();
}
json.put(key, value);
}
Object rest = pair.getRest();
if (rest instanceof Pair) {
Pair restPair = (Pair) rest;
JSONObject restJson = JSONHelper.fromPairs(restPair);
Iterator<String> keys = restJson.keys();
while (keys.hasNext()) {
String key = keys.next();
json.put(key, restJson.get(key));
}
}
}
return json;
}
