Java receive parameters and return data entity class Encapsulation 1

 Public classPagedataextendsHashMapImplementsMap {Private Static Final LongSerialversionuid = 1L; Map Map=NULL;    HttpServletRequest request;  PublicPagedata (HttpServletRequest request) { This. Request =request; Map Properties=Request.getparametermap (); Map Returnmap=NewHashMap (); Iterator Entries=Properties.entryset (). iterator ();        Map.entry Entry; String name= ""; String value= "";  while(Entries.hasnext ()) {entry=(Map.entry) entries.next (); Name=(String) Entry.getkey (); Object Valueobj=Entry.getvalue (); if(NULL==valueobj) {Value= ""; } Else if(Valueobjinstanceofstring[]) {string[] values=(string[]) valueobj;  for(inti = 0; i < values.length; i++) {Value= Values[i] + ","; } Value= value.substring (0, Value.length ()-1); } Else{Value=valueobj.tostring (); }            if(Name.equals ("Timeend")) {                if(!value.equals ("") ) {value= value + "23:59:59"; } Else{}} returnmap.put (name, value); } Map=Returnmap; }     Publicpagedata (jsonobject Jo) {Map returnmap=NewHashMap ();  for(Iterator<string> keys =Jo.keys (); Keys.hasnext ();) {            Try{String Key1=Keys.next ();//System.out.println ("Key1---" + key1 + "------" + jo.get (key1) + (Jo.get (key1) instanceof Jsonobject) 
    //+ jo.get (key1) + (Jo.get (key1) instanceof Jsonarray));//System.out.println ("Key1:" + key1 + "----------jo.get (Key1):" + jo.get (key1));Returnmap.put (Key1.touppercase (), Jo.get (Key1)); } Catch(jsonexception e) {e.printstacktrace (); }} Map=Returnmap; }     PublicPagedata () {map=NewHashMap (); } @Override Publicobject get (Object key) {Object obj=NULL; if(Map.get (Key)instanceofobject[]) {object[] arr=(object[]) map.get (key); Obj= Request = =NULL? Arr: (Request.getparameter (String) key) = =NULL? Arr:arr[0]); } Else{obj=Map.get (key); }        returnobj; }     PublicString getString (Object key) {if(NULL! = Get (key) && "NULL"! =get (Key)) {            returnstring.valueof (Get (key)); }        return""; }     Public Doublegetdouble (Object key) {Object value=get (key); if(NULL! = value &&! " Null ". Equals (value) &&!". Equals (value)) {            if(ValueinstanceofString) {                returndouble.parsedouble (value.tostring ()); } Else if(ValueinstanceofDouble) {                return(Double) value; }            //return (double) get (key);        }        return0.0; }     Public intgetInt (Object key) {Object value=get (key); if(NULL! = value &&! " Null ". Equals (value) &&!". Equals (value)) {            if(ValueinstanceofString) {                returnInteger.parseint (value.tostring ()); } Else if(ValueinstanceofInteger) {                return(int) value; }        }        return0; }

Its essence is a HashMap

Java receive parameters and return data entity class Encapsulation 1