获取非局域网的ip地址

最新推荐文章于 2023-02-17 18:29:00 发布

haha9737

最新推荐文章于 2023-02-17 18:29:00 发布

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分类专栏： android 文章标签： null exception string byte url

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/**
     * 获取非局域网的ip地址
     *
     * @return
     * @author SHANHY
     */
    public static String getPsdnIp() {
        String ipurl = "http://whois.pconline.com.cn/ipJson.jsp";
        String ss =null;
        HttpURLConnection urlConnection = null;
        try {
            urlConnection = null;
            try {
                URL url = new URL(ipurl);
                urlConnection = (HttpURLConnection) url.openConnection();
                urlConnection.setDoInput(true);
                urlConnection
                        .setConnectTimeout(WoConfiguration.TIME_OUT_LENGTH);
                urlConnection.setReadTimeout(WoConfiguration.TIME_OUT_LENGTH);

                urlConnection.setRequestProperty("Content-Type",
                        "application/x-www-form-urlencoded");

                urlConnection.connect();

                int response = urlConnection.getResponseCode();
                
                if (response == HttpConnection.HTTP_OK) {
                    InputStream in = urlConnection.getInputStream();// .openInputStream();
                    ByteArrayOutputStream baos = new ByteArrayOutputStream();
                    byte[] buff = new byte[1024];
                    int rc = 0;
                    while ((rc = in.read(buff, 0, 1024)) != -1) {
                        baos.write(buff, 0, rc);
                    }
                    byte[] content = baos.toByteArray();
                    ss = new String(content);
                    in.close();
                    in = null;
                    baos.close();
                    baos = null;
                    JSONObject sn=new JSONObject(ss.substring(ss.indexOf("({")+1,ss.indexOf("})")+1));
                    ss=sn.getString("ip");
                } else {
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        } catch (Exception e) {
            return null;
        } finally {
            if (urlConnection != null) {
                urlConnection.disconnect();// .close();
                urlConnection = null;
            }
        }
        return ss;
    }