package util;

import blade.kit.http.HttpRequest;

import java.net.HttpURLConnection;
import java.util.List;
import java.util.Map;

/**
 * Created by wistbean on 2018/6/4.
 */
public class CookieUtil {
    public static String getCookie(HttpRequest request) {
        HttpURLConnection conn = request.getConnection();
        Map<String, List<String>> resHeaders = conn.getHeaderFields();
        StringBuffer sBuffer = new StringBuffer();
        for (Map.Entry<String, List<String>> entry : resHeaders.entrySet()) {
            String name = entry.getKey();
            if (name == null)
                continue; // http/1.1 line
            List<String> values = entry.getValue();
            if (name.equalsIgnoreCase("Set-Cookie")) {
                for (String value : values) {
                    if (value == null) {
                        continue;
                    }
                    String cookie = value.substring(0, value.indexOf(";") + 1);
                    sBuffer.append(cookie);
                }
            }
        }
        if(sBuffer.length() > 0){
            return sBuffer.toString();
        }
        return sBuffer.toString();
    }
}