JsonReader.java 文件源码

public static JSONObject read(final String url) throws Exception {
    Exception exception = null;
    for (int i = 0; i < 3; i++) {
        Expectant.delay((i + 1) * API_DELAY_MS);
        try (InputStream is = new URL(url).openStream()) {
            BufferedReader reader = new BufferedReader(new InputStreamReader(is, Charset.forName("UTF-8")));
            String jsonText = readWhole(reader);
            JSONObject json = new JSONObject(jsonText);
            return json;
        } catch (Exception ex) {
            System.err.println("Failed read url: " + url
                    + " try #" + (i + 1) + "\n" + ex.getMessage());
            exception = ex;
        }
    }

    throw exception;
}