Httpclient4.3 simple Encapsulation

A simple encapsulation of httpclient4.3. The following code

/*** Httputil tool class ** @ author Rex */public class httputil {Private Static closeablehttpclient client; Private Static basiccookiestore cookiestore; Private Static httpget get; Private Static httppost; private Static httpresponse response; Private Static result; Private Static httpentity entity; /*** // todo GET request ** @ Param URL request address * @ Param headers Request Header * @ Param Params request parameter * @ Param ENC ODing Request Encoding * @ return * @ throws ioexception * @ throws clientprotocolexception */public static result get (string URL, Map <string, string> headers, Map <string, string> Params) throws clientprotocolexception, ioexception {cookiestore = new basiccookiestore (); client = httpclients. custom (). setdefacookcookiestore (cookiestore ). build (); url = (null = Params? URL: URL + parseparam (Params); get = new httpget (URL); get. setheaders (parseheader (headers); response = client.exe cute (get); entity = response. getentity (); Result = new result (); result. sethttpclient (client); result. setcookies (cookiestore. getcookies (); result. setstatuscode (response. getstatusline (). getstatuscode (); result. setheaders (response. getallheaders (); result. sethttpentity (entity); resul T. setbody (entityutils. tostring (entity); return result ;} /*** // todo POST request ** @ Param URL request address * @ Param headers Request Header * @ Param Params request parameter * @ Param encoding Request Encoding * @ return * @ throws ioexception * @ throws clientprotocolexception */public static result post (string URL, map <string, string> headers, Map <string, string> Params, string encoding) throws clientprotocolexception, ioexception {cookiestor E = new basiccookiestore (); client = httpclients. custom (). setdefacookcookiestore (cookiestore ). build (); Post = new httppost (URL); List <namevaluepair> List = new arraylist <namevaluepair> (); For (string temp: Params. keyset () {list. add (New basicnamevaluepair (temp, Params. get (temp);} post. setentity (New urlencodedformentity (list, encoding); Post. setheaders (parseheader (headers); response = client. Execute (post); entity = response. getentity (); Result = new result (); result. sethttpclient (client); result. setcookies (cookiestore. getcookies (); result. setstatuscode (response. getstatusline (). getstatuscode (); result. setheaders (response. getallheaders (); result. sethttpentity (entity); result. setbody (entityutils. tostring (entity); return result;}/*** // todo conversion header ** @ Param headers * @ return */ Private Static header [] parseheader (Map <string, string> headers) {If (null = headers | headers. isempty () {return getdefaultheaders ();} header [] allheader = new basicheader [headers. size ()]; int I = 0; For (string STR: headers. keyset () {allheader [I] = new basicheader (STR, headers. get (STR); I ++;} return allheader;}/*** // todo default header ** @ return */Private Static header [] getdefaulthea Ders () {header [] allheader = new basicheader [2]; allheader [0] = new basicheader ("Content-Type ", "Application/X-WWW-form-urlencoded"); allheader [1] = new basicheader ("User-Agent", "Mozilla/5.0 (Windows NT 6.3; wow64) applewebkit/537.36 (khtml, like gecko) Chrome/33.0.1750.146 Safari/537.36 "); Return allheader ;} /*** // todo conversion parameter list ** @ Param Params * @ return */Private Static string parseparam (MA P <string, string> Params) {If (null = Params | Params. isempty () {return "";} stringbuffer sb = new stringbuffer (); For (string key: Params. keyset () {sb. append (Key + "=" + Params. get (key) + "&");} return sb. substring (0, sb. length ()-1);}/*** release the httpclient object */public static void closeclient (closeablehttpclient client) {If (null! = Client) {try {client. Close ();} catch (ioexception e) {e. printstacktrace ();}}}}

/*** Encapsulate the returned result of the Request * @ author Rex **/public class result {private closeablehttpclient httpclient; private list <cookie> cookies; private httpentity; private hashmap <string, header> headerall; private int statuscode; private string body; public list <cookie> getcookies () {return cookies;} public void setcookies (list <cookie> cookies) {This. cookies = cookies;} public closeablehttpclient gethttpclient () {return httpclient;} public void sethttpclient (closeablehttpclient httpclient) {This. httpclient = httpclient;} public int getstatuscode () {return statuscode;} public void setstatuscode (INT statuscode) {This. statuscode = statuscode;} public void setheaders (header [] headers) {headerall = new hashmap <string, header> (); For (header: headers) {headerall. put (header. getname (), header) ;}} public hashmap <string, header> getheaderall () {return headerall;} public void sethttpentity (httpentity entity) {This. httpentity = entity;} public httpentity gethttpentity () {return httpentity;} Public String getbody () {return body;} public void setbody (string body) {This. body = body ;}}

One test of logging on to Xiaomi

Public class xiaomilogin {public static void main (string [] ARGs) {string login_url = "https://account.xiaomi.com/pass/serviceLoginAuth2"; Map <string, string> Params = new hashmap <string, string> (); params. put ("user", "Xiaomi account"); Params. put ("PWD", "password"); Params. put ("Callback", "https://account.xiaomi.com"); Params. put ("Sid", "Passport"); Params. put ("display", "mobile"); Params. put ("QS", "% 3 fsid % 3 dpassport"); Params. put ("_ sign", "kkrvcpzodc + gldeyosdmhwv0xg ="); try {result R = httputil. post (login_url, null, Params, "UTF-8"); For (Cookie: R. getcookies () {system. out. println (cookie. getname () + "=" + Cookie. getvalue ();} httputil. closeclient (R. gethttpclient ();} catch (clientprotocolexception e) {e. printstacktrace ();} catch (ioexception e) {e. printstacktrace ();}}}