public void addHeader ( final String name , final String value ) { List < String > valuesList = super . getAll ( name ) ; if ( valuesList . isEmpty ( ) ) { super . add ( name , value ) ; return ; } super . remove ( name ) ; valuesList . add ( value ) ; super . addAll ( name , valuesList ) ; }
Adds new header value . If existing value exist it will be removed so the store the new key value .