Java Paging Class page

Importjava.io.UnsupportedEncodingException;ImportJava.net.URLEncoder;ImportJava.util.Iterator;Importjava.util.List;ImportNet.sf.json.JSONObject;/*** Pagination class *@authorRubekid * *@param<T>*/ Public classPage<t>extendsQueryParameter { Public Static Final intPage_size = 20; Privatelist<t> result =NULL; Private LongTotalCount =-1; PrivateJsonobject Queryparams =NewJsonobject ();  PublicPage () {setpagesize (page_size); }     PublicPage (intpageSize)    {setpagesize (pageSize); }     PublicPage (intPageSize,BooleanAutocount)        {setpagesize (pageSize);  This. Autocount =Autocount; }    /*** Get Reverse sort *@return     */     PublicString Getinverseorder () {if(Order.endswith ("desc")){            return"ASC"; }        return"Desc"; }     PublicList<t>GetResult () {returnresult; }     Public voidSetresult (list<t>result) {         This. result =result; }     Public LongGettotalcount () {return  This. TotalCount; }     Public voidSettotalcount (Longtotalcount) {         This. TotalCount =TotalCount; }     Public Longgettotalpages () {if(TotalCount < 0){            return-1; }                LongCount = TotalCount/pageSize; if(totalcount% PageSize > 0) {Count++; }        returncount; }     Public BooleanIshasnext () {return(PageNo + 1 <=gettotalpages ()); }     Public intGetnextpage () {if(Ishasnext ()) {returnPageNo + 1; }        return  This. PageNo; }     Public BooleanIshaspre () {return(PageNo-1 >= 1); }     Public intGetprepage () {if(Ishaspre ()) {returnPageNo-1; }        returnPageNo; }     Public voidAddqueryparam (String key, Object value) {queryparams.put (key, value); } @SuppressWarnings ("Unchecked")     PublicString getquerystring ()throwsunsupportedencodingexception{String Result= "";  for(Iterator<string> Iterator =Queryparams.keys (); Iterator.hasnext ();) {String key=Iterator.next (); Result+ = key + "=" + Urlencoder.encode (queryparams.getstring (key), "Utf-8") + "&"; }                if(Result.length () > 0) {result= result.substring (0, Result.length ()-1); }        returnresult; }     PublicString getqueryparamstring () {returnqueryparams.tostring (); }     Public voidsetquerystring (String queryString) {queryparams=Jsonobject.fromobject (queryString); }     Publicjsonobject GetQueryParams () {returnQueryparams; }}

Java Paging Class page