json解析数据流代码

try {    InputStreamReader inputStreamReader = new InputStreamReader(inputStream, string);    BufferedReader bufferedReader = new BufferedReader(inputStreamReader);    String s=null;    StringBuilder stringBuilder = new StringBuilder();    while ((s=bufferedReader.readLine())!=null){        stringBuilder.append(s);    }    bufferedReader.close();    Log.d("+++++++++++++bufferedReader.close()",stringBuilder.toString());    return stringBuilder.toString();} catch (Exception e) {    e.printStackTrace();}