Java Request parameter Class QueryParameter

ImportJava.util.HashMap;ImportJava.util.Map;Importorg.apache.commons.lang.StringUtils;/*** Request Parameter class **/ Public classQueryParameter { Public Static FinalString ASC = "ASC";  Public Static FinalString desc = "desc"; protected intPageNo = 1; protected intPageSize = 1; protectedString by =NULL; protectedString order = "ASC"; protected BooleanAutocount =false; protectedMap<string, string> alias =NewHashmap<string, string>();  Public intgetpagesize () {return  This. pageSize; }     Public voidSetPageSize (intpageSize) {        if(PageSize < 1) {pageSize= 1; }         This. pageSize =pageSize; }     Public Booleanispagesizesetted () {return( This. pageSize >-1); }     Public intGetpageno () {return  This. PageNo; }     Public voidSetpageno (intPageNo) {        if(PageNo < 1) {PageNo= 1; }             This. PageNo =PageNo; }     Public intGetFirst () {if(( This. pageno < 1) | | ( This. pageSize < 1)){            return1; }        return(( This. pageNo-1) * This. pageSize) + 1; }     Public Booleanisfirstsetted () {return(( This. pageno > 0) && ( This. pageSize > 0)); }     PublicString Getorderby () {return  This. by; }     Public voidSetorderby (String by) { This. by =A . }     Public Booleanisorderbysetted () {returnStringutils.isnotblank ( This.); }     PublicString GetOrder () {return  This. Order; }     Public voidSetorder (String order) {Order=stringutils.lowercase (order); string[] Orders= Stringutils.split (Order, ', '));  for(String orderstr:orders) {if(! Stringutils.equals (DESC, orderstr) &&!stringutils.equals (ASC, orderstr))Throw NewIllegalArgumentException ("Sort direction" + Orderstr + "not legal value"); }         This. Order =Order.trim (); }     Public BooleanIsautocount () {return  This. Autocount; }     Public voidSetautocount (BooleanAutocount) {         This. Autocount =Autocount; }     Public voidAddalias (string name, string alias) { This. Alias.put (name, alias); }     Public BooleanHasalias () {return(! ( This. Alias.isempty ())); }     PublicMap<string, string>Getalias () {return  This. alias; }}

Java Request parameter Class QueryParameter