NetCookieCache.java

package cn.mutils.app.net;

import android.content.Context;

import java.net.URL;
import java.util.HashMap;
import java.util.Map;

import cn.mutils.app.util.AppUtil;

/**
 * Cookie cache
 */
@SuppressWarnings("StringBufferReplaceableByString")
public class NetCookieCache {

    private static final String COOKIE_FILENAME = "CookieCache";

    private static Map<String, String> sCookieMap = new HashMap<String, String>();

    public static String getCookie(Context context, URL url) {
        String cookieKey = getCookieKey(url);
        synchronized (NetCookieCache.class) {
            String cachedCookie = sCookieMap.get(cookieKey);
            if (cachedCookie != null) {
                return cachedCookie;
            }
        }
        return AppUtil.getPrefString(context, COOKIE_FILENAME, cookieKey, "");
    }

    public static boolean setCookie(Context context, URL url, String value) {
        String cookieKey = getCookieKey(url);
        synchronized (NetCookieCache.class) {
            String cachedCookie = sCookieMap.get(cookieKey);
            if (value.equals(cachedCookie)) {
                return true;
            }
            sCookieMap.put(cookieKey, value);
        }
        return AppUtil.setPrefString(context, COOKIE_FILENAME, cookieKey, value);
    }

    private static String getCookieKey(URL url) {
        StringBuilder sb = new StringBuilder();
        sb.append(url.getHost());
        sb.append(url.getPort() != -1 ? url.getPort() : url.getDefaultPort());
        return AppUtil.md5(sb.toString());
    }

}