JAVA获得网站Google PR值，java获得googlepr,JAVA获得网站Goog

JAVA获得网站Google PR值，java获得googlepr,JAVA获得网站Goog

JAVA获得网站Google PR 来自 12590.info

[Java]代码

    /**     * List of available google datacenter IPs and addresses     */    static final public String [] GOOGLE_PR_DATACENTER_IPS = new String[]{                "64.233.161.100",                "64.233.161.101",                "64.233.177.17",                "64.233.183.91",                "64.233.185.19",                "64.233.189.44",                "66.102.1.103",                "66.102.9.115",                "66.249.81.101",                "66.249.89.83",                "66.249.91.99",                "66.249.93.190",                "72.14.203.107",                "72.14.205.113",                "72.14.255.107",                "toolbarqueries.google.com",                };    /**     * Default constructor     */    public PageRankService() {    }    /**     * Must receive a domain in form of: "http://www.51youlian.com"     * @param domain - (String)     * @return PR rating (int) or -1 if unavailable or internal error happened.     */    public int getPR(String domain) {        int result = -1;        JenkinsHash jHash = new JenkinsHash();        String googlePrResult = "";        long hash = jHash.hash(("info:" + domain).getBytes());        String url = "http://"+GOOGLE_PR_DATACENTER_IPS[dataCenterIdx]+"/search?client=navclient-auto&hl=en&"+                "ch=6"+hash+"&ie=UTF-8&oe=UTF-8&features=Rank&q=info:" + domain;        try {            URLConnection con = new URL(url).openConnection();            InputStream is = con.getInputStream();            byte [] buff = new byte[1024];            int read = is.read(buff);            while (read > 0) {                googlePrResult = new String(buff, 0, read);                read = is.read(buff);            }            googlePrResult = googlePrResult.split(":")[2].trim();            result = new Long(googlePrResult).intValue();        } catch (Exception e) {            e.printStackTrace();        }        dataCenterIdx++;        if (dataCenterIdx == GOOGLE_PR_DATACENTER_IPS.length) {            dataCenterIdx = 0;        }        return result;    }    public static void main(String [] args) {        long start = System.currentTimeMillis();        PageRankService prService = new PageRankService();        String domain = "http://www.51youlian.com";        if (args.length > 0) {            domain = args[0];        }        System.out.println("Checking " + domain);        System.out.println("Google PageRank: " + prService.getPR(domain));        System.out.println("Took: " + (System.currentTimeMillis() - start) + "ms");    }