Cookies for common tool classes

Package com.chenfeng.ego.commons.util;
Import java.io.UnsupportedEncodingException;
Import Java.net.URLDecoder;
Import Java.net.URLEncoder;
Import Javax.servlet.http.Cookie;
Import Javax.servlet.http.HttpServletRequest;
Import Javax.servlet.http.HttpServletResponse; /** * * * * Cookie Tool class */Public final class Cookieutils {/** * Gets the value of the cookie and does not encode * * @param reques T * @param cookiename * @return/public static String Getcookievalue (HttpServletRequest request, Stri
    Ng CookieName) {return getcookievalue (request, cookiename, false); /** * Get the value of the cookie * * @param request * @param cookiename * @return * * Public STA Tic string Getcookievalue (httpservletrequest request, String CookieName, Boolean isdecoder) {cookie[] Cookielist
        = Request.getcookies ();
        if (cookielist = null | | cookiename = NULL) {return null;
        } String retvalue = null;
    try {        for (int i = 0; i < cookielist.length i++) {if (Cookielist[i].getname (). Equals (CookieName)) { if (isdecoder) {retvalue = Urldecoder.decode (Cookielist[i].getvalue (), utf-
                    8 ");
                    else {retvalue = Cookielist[i].getvalue ();
                } break;
        A catch (Unsupportedencodingexception e) {e.printstacktrace ());
    return retvalue; /** * Get the value of the cookie * * @param request * @param cookiename * @return * * Public STA Tic string Getcookievalue (HttpServletRequest request, String cookiename, String encodestring) {cookie[] Cookielis
        t = request.getcookies ();
        if (cookielist = null | | cookiename = NULL) {return null;
        } String retvalue = null; try {for (int i = 0; i < Cookielist.lengTh i++) {if (Cookielist[i].getname (). Equals (CookieName)) {RetValue = Urldecoder.decode (
                    Cookielist[i].getvalue (), encodestring);
                Break
        A catch (Unsupportedencodingexception e) {e.printstacktrace ());
    return retvalue; /** * Set the value of the cookie does not set the effective time default browser shutdown is invalid, also does not encode */public static void Setcookie (HttpServletRequest request, H Ttpservletresponse response, String cookiename, String cookievalue) {Setcookie (Request, Response, COO
    Kiename, Cookievalue,-1); /** * Sets the value of the cookie to take effect within a specified time, but does not encode */public static void Setcookie (HttpServletRequest request, Httpservle Tresponse response, String cookiename, string cookievalue, int cookiemaxage) {Setcookie (Request, RESP
    Onse, CookieName, Cookievalue, Cookiemaxage, false); /** * Setting the value of the cookie does not set the effective time, but the encoding/public static void SetcoOkie (HttpServletRequest request, httpservletresponse Response, String cookiename, String Cookievalue, Boolean
    Isencode) {Setcookie (Request, Response, CookieName, Cookievalue,-1, Isencode); /** * Sets the value of the cookie to take effect within a specified time, the encoding parameter */public static void Setcookie (HttpServletRequest request, HTTPSERVL Etresponse response, String cookiename, string cookievalue, int cookiemaxage, Boolean isencode) {dose
    Tcookie (Request, Response, CookieName, Cookievalue, Cookiemaxage, Isencode); /** * Sets the value of the cookie to take effect within a specified time, encoding parameter (specified encoding)/public static void Setcookie (HttpServletRequest request, HTT
        Pservletresponse response, String cookiename, string cookievalue, int cookiemaxage, string encodestring) {
    Dosetcookie (Request, Response, CookieName, Cookievalue, Cookiemaxage, encodestring); /** * Delete cookie with cookie domain name/public static void Deletecookie (HttpServletRequest request, HttpservletresPonse response, String cookiename) {Dosetcookie (Request, Response, CookieName, "",-1, false);  /** * Sets the value of the cookie and makes it effective within a specified time * * @param the maximum number of seconds that the Cookiemaxage cookie is in effect * * private static final void Dosetcookie (HttpServletRequest request, httpservletresponse Response, String cookiename, String Cookieva Lue, int cookiemaxage, Boolean isencode) {try {if (Cookievalue = = null) {Cookievalu
            e = "";
            else if (isencode) {cookievalue = Urlencoder.encode (Cookievalue, "utf-8");
            The cookie cookie = new Cookie (cookiename, cookievalue);
            if (Cookiemaxage > 0) cookie.setmaxage (cookiemaxage);
            	if (null!= request) {//Set domain name cookie String domainname = getdomainname (request);
                SYSTEM.OUT.PRINTLN (domainname); if (!) LocalHost ". Equals (domainname)) {//cookie.setdOmain (domainname);
            } cookie.setpath ("/");
        Response.addcookie (cookie);
        catch (Exception e) {e.printstacktrace ();  /** * Sets the value of the cookie and makes it effective within a specified time * * @param the maximum number of seconds that the Cookiemaxage cookie is in effect * * private static final void Dosetcookie (HttpServletRequest request, httpservletresponse Response, String cookiename, String Co Okievalue, int cookiemaxage, String encodestring) {try {if (Cookievalue = = null) {C
            Ookievalue = "";
            else {cookievalue = Urlencoder.encode (Cookievalue, encodestring);
            The cookie cookie = new Cookie (cookiename, cookievalue);
            if (Cookiemaxage > 0) cookie.setmaxage (cookiemaxage);
            	if (null!= request) {//Set domain name cookie String domainname = getdomainname (request);
          SYSTEM.OUT.PRINTLN (domainname);      if (!)
                LocalHost ". Equals (domainname)) {//Do not write when local test. When the actual release is in the Open//cookie.setdomain (domainname);
            } cookie.setpath ("/");
        Response.addcookie (cookie);
        catch (Exception e) {e.printstacktrace ();
        }/** * Gets the domain name of the cookie * * private static final String Getdomainname (HttpServletRequest request) {

        String domainname = null;
        String serverName = Request.getrequesturl (). toString ();
        if (ServerName = = NULL | | servername.equals ("")) {domainname = "";
            else {final int end = Servername.lastindexof ("/");
            ServerName = servername.substring (0, end);
            Final string[] domains = Servername.split ("\;");
            int len = domains.length; if (Len > 3) {//www.xxx.com.cn domainname = "." + domains[len-3] + "." + Domains[le N-2] + "." + DomainS[LEN-1]; else if (Len <= 3 && len > 1) {//xxx.com or xxx.cn domainname = "." + Do
            Mains[len-2] + "." + domains[len-1];
            else {domainname = ServerName; } if (domainname!= null && domainname.indexof (":") > 0) {string[] ary = domain
            Name.split ("\:");
        DomainName = ary[0];
    return domainname;
 }

}