使用jsoup解析http/https协议网页的代码

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import java.net.MalformedURLException;
import java.net.URL;
import java.security.SecureRandom;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.Map;
 
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.X509TrustManager;
 
import org.jsoup.Connection;
import org.jsoup.helper.HttpConnection;
 
public class HTTPCommonUtil {
    public static void trustEveryone() {
        try {
            HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() {
                public boolean verify(String hostname, SSLSession session) {
                    return true;
                }
            });
 
            SSLContext context = SSLContext.getInstance("TLS");
            context.init(null, new X509TrustManager[] { new X509TrustManager() {
                public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
                }
 
                public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
                }
 
                public X509Certificate[] getAcceptedIssuers() {
                    return new X509Certificate[0];
                }
            } }, new SecureRandom());
            HttpsURLConnection.setDefaultSSLSocketFactory(context.getSocketFactory());
        } catch (Exception e) {
            // e.printStackTrace();
        }
    }
 
    public static Object getHttpHeaders(URL url, int timeout) {
        try {
            trustEveryone();
            Connection conn = HttpConnection.connect(url);
            conn.timeout(timeout);
            conn.header("Accept-Encoding", "gzip,deflate,sdch");
            conn.header("Connection", "close");
            conn.get();
            Map<String, String> result = conn.response().headers();
            result.put("title", conn.response().parse().title());
            return result;
 
        } catch (Exception e) {
            //e.printStackTrace();
        }
        return null;
    }
 
    public static void main(String[] args) {
        try {
            URL url = new URL("https", "202.133.116.70", -1, "");
            System.out.println(getHttpHeaders(url, 10000));
        } catch (MalformedURLException e) {
            e.printStackTrace();
        }
    }
}