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();
		}
	}
}

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