<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
<html>
<head>
<title>My JSTL</title>
</head>
<body>
<h1>My Jstl</h1>
<c:if test="${param.submitted}">
<c:if test="${empty param.user}" var="noUser" />
<c:if test="${empty param.passwd}" var="noPasswd" />
<c:if test="${empty param.email}" var="noEmail" />
<c:if test="${empty param.nome}" var="noNome" />
<c:if test="${empty param.cognome}" var="noCognome" />
<c:if test="${empty param.nascita}" var="noNascita" />
<c:if test="${empty param.codfiscale}" var="noCodFiscale" />
<c:if test="${not (noUser or noPasswd or noEmail or noNome or noCognome or noNascita or noCodFiscale)}">
<c:set value="${param.user}" var="user" scope="request"/>
<c:set value="${param.passwd}" var="passwd" scope="request"/>
<c:set value="${param.email}" var="email" scope="request"/>
<c:set value="${param.nome}" var="nome" scope="request"/>
<c:set value="${param.cognome}" var="cognome" scope="request"/>
<c:set value="${param.nascita}" var="nascita" scope="request"/>
<c:set value="${param.codfiscale}" var="codfiscale" scope="request"/>
<jsp:forward page="next.jsp" />
</c:if>
</c:if>