Android JsonReader stream to Map<String, Object>

JsonToMap.java

private Map<String, Object> readObject(JsonReader reader) throws IOException {
        Map<String, Object> map = new HashMap<>();
        reader.beginObject();
        while (reader.hasNext()) {
            String name = reader.nextName();
            JsonToken token = reader.peek();
            if (token == JsonToken.STRING) {
                map.put(name, reader.nextString());
            } else if (token == JsonToken.NUMBER) {
                map.put(name, reader.nextLong());
            } else if (token == JsonToken.NULL) {
                map.put(name, null);
            } else if (token == JsonToken.BOOLEAN) {
                map.put(name, reader.nextBoolean());
            } else if (token == JsonToken.BEGIN_OBJECT) {
                map.put(name, readObject(reader));
            } else if (token == JsonToken.BEGIN_ARRAY) {
                map.put(name, readArray(reader));
            } else {
                reader.skipValue();
            }
        }
        reader.endObject();
        return map;
    }

    private List<Object> readArray(JsonReader reader) throws IOException {
        List<Object> list = new ArrayList<>();
        reader.beginArray();
        while (reader.hasNext()) {
            JsonToken token = reader.peek();
            if (token == JsonToken.BEGIN_OBJECT) {
                list.add(readObject(reader));
            } else if (token == JsonToken.BEGIN_ARRAY) {
                list.add(readArray(reader));
            } else {
                reader.skipValue();
            }
        }
        reader.endArray();
        return list;
    }