从http连接获取Cookies

/** 
 来自 n o w    j a v a  . c o m**/



import java.io.IOException;

import java.net.MalformedURLException;

import java.net.URL;

import java.util.Iterator;

import java.util.List;

import java.util.Map;


public class GetCookiesFromThttpConnection {


    public static void main(String[] args) {

        try {

            URL url = new URL("http://www.google.com");

            java.net.URLConnection conn = url.openConnection();

            Map<String, List<String>> headers = conn.getHeaderFields();

            Iterator<String> iter = headers.keySet().iterator();


            while (iter.hasNext()) {

                String key = iter.next();

                if ("Set-Cookie".equalsIgnoreCase(key)) {/*N o w J a v a . c o m*/

                    List<String> values = headers.get(key);

                    for (String value : values) {

                        System.out.println("found ...:" + value);

                        String[] fields = value.split(";\\s*");

                        String cookiValue = fields[0];

                        String expries = null;

                        String path = null;

                        String domain = null;

                        boolean secure = false;


                        for (int i = 0; i < fields.length; i++) {

                            if ("secure".equalsIgnoreCase(fields[i])) {

                                secure = true;

                            } else if (fields[i].indexOf('=') > 0) {

                                String[] f = fields[i].split("=");

                                if ("expires".equalsIgnoreCase(f[0])) {

                                    expries = f[1];

                                } else if ("domain".equalsIgnoreCase(f[0])) {

                                    domain = f[1];

                                } else if ("path".equalsIgnoreCase(f[0])) {

                                    path = f[1];

                                }

                            }

                        }


                        System.out.println("cookiValue :" + cookiValue);

                        System.out.println("expries :" + expries);

                        System.out.println("path :" + path);

                        System.out.println("domain :" + domain);