android.net.Proxy#getDefaultPort ( )源码实例Demo

private static HttpURLConnection a(URL url, String str) throws IOException {
    String replaceFirst;
    int i = 80;
    String defaultHost = Proxy.getDefaultHost();
    int defaultPort = Proxy.getDefaultPort();
    if (defaultPort == -1) {
        defaultPort = 80;
    }
    String host = url.getHost();
    int port = url.getPort();
    if (port != -1) {
        i = port;
    }
    if (str.indexOf(new StringBuilder(String.valueOf(host)).append(NetworkUtils.DELIMITER_COLON).append(i).toString()) != -1) {
        replaceFirst = str.replaceFirst(new StringBuilder(String.valueOf(host)).append(NetworkUtils.DELIMITER_COLON).append(i).toString(), new StringBuilder(String.valueOf(defaultHost)).append(NetworkUtils.DELIMITER_COLON).append(defaultPort).toString());
    } else {
        replaceFirst = str.replaceFirst(host, new StringBuilder(String.valueOf(defaultHost)).append(NetworkUtils.DELIMITER_COLON).append(defaultPort).toString());
    }
    try {
        HttpURLConnection httpURLConnection = (HttpURLConnection) new URL(replaceFirst).openConnection();
        httpURLConnection.setRequestProperty("X-Online-Host", new StringBuilder(String.valueOf(host)).append(NetworkUtils.DELIMITER_COLON).append(i).toString());
        return httpURLConnection;
    } catch (MalformedURLException e) {
        return null;
    }
}
 

private static int a(Context context) {
    int i = -1;
    if (VERSION.SDK_INT >= 11) {
        Object property = System.getProperty("http.proxyPort");
        if (TextUtils.isEmpty(property)) {
            return i;
        }
        try {
            return Integer.parseInt(property);
        } catch (NumberFormatException e) {
            return i;
        }
    } else if (context == null) {
        return Proxy.getDefaultPort();
    } else {
        i = Proxy.getPort(context);
        if (i < 0) {
            return Proxy.getDefaultPort();
        }
        return i;
    }
}
 

public static String[] getProxyHostAndPort(Context context) {
    return getNetworkType(context) == NetworkType.WIFI ?
            new String[]{"", "-1"}
            : new String[]{Proxy.getDefaultHost(), "" + Proxy.getDefaultPort()};
}