Reads an InputStream and converts it to a String

    private String readIt(InputStream stream) throws IOException {
        StringBuilder builder = new StringBuilder();
        BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
        for(String line = reader.readLine(); line != null; line = reader.readLine()) 
            builder.append(line);
        reader.close();
        return builder.toString();
    }