Dinesh on Java

Categories: JSTL

JSTL ParseDate & FormatDate Example <fmt:parseDate> <fmt:formatDate>

The <fmt:formatDate> tag is used to format dates in a variety of ways. This tag is used to format date and time according to the user supplied style and format.

Attributes of the tag <fmt:formatDate>

value	supplied date and time to be formatted.
type	specifies that time or date or both date and time to be formatted of given date/time.
dateStyle	predefined styles to represent date. For example- default, short, long, full etc
timeStyle	predefined styles to represent time. For example- default, short, long, full etc
pattern	provided by user in what pattern user want to format. For example: dd-mm-yyyy
timeZone	in which time zone user want to represent date/time.
var	var is a variable that is used to store created data source.
Scope	Define the scope for declared variable like page or request or session or application.

Example:

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>

<html>
<head>
  <title>JSTL fmt:dateNumber Tag</title>
</head>
<body>
<h3>Number Format:</h3>
<c:set var="date" value="<%=new java.util.Date()%>" />

<table bgcolor="#D8D8D8" border="1" width="70%">
<tr>
<td width="100%" colspan="2" bgcolor="#1C1C1C">
<p align="center"><b> <font color="#D8D8D8" size="4">Formatting: 
<fmt:formatDate value="${date}" type="both" timeStyle="long" 
dateStyle="long" /> 
</font>
</b></p>
</td>
</tr>
<tr>
<td width="51%">Attribute : type="date"</td>
<td width="49%"><fmt:formatDate type="date" value="${date}" /></td>
</tr>
<tr>
<td width="51%">Attribute : type="time"</td>
<td width="49%"><fmt:formatDate type="time" value="${date}" /></td>
</tr>
<tr>
<td width="51%">Attribute : type="both"</td>
<td width="49%"><fmt:formatDate type="both" value="${date}" /></td>
</tr>
<tr>
<td width="51%">Attribute : type="both" dateStyle="default"
timeStyle="default"</td>
<td width="49%"><fmt:formatDate type="both" dateStyle="default"
timeStyle="default" value="${date}" /></td>
</tr>
<tr>
<td width="51%">Attribute : type="short" dateStyle="default"
timeStyle="short"</td>
<td width="49%"><fmt:formatDate type="both" dateStyle="short"
timeStyle="short" value="${date}" /></td>
</tr>
<tr>
<td width="51%">Attribute : type="both" dateStyle="medium"
timeStyle="medium"</td>
<td width="49%"><fmt:formatDate type="both" dateStyle="medium"
timeStyle="medium" value="${date}" /></td>
</tr>
<tr>
<td width="51%">Attribute : type="both" dateStyle="long"
timeStyle="long"</td>
<td width="49%"><fmt:formatDate type="both" dateStyle="long"
timeStyle="long" value="${date}" /></td>
</tr>
<tr>
<td width="51%">Attribute : type="both" dateStyle="full"
timeStyle="full"</td>
<td width="49%"><fmt:formatDate type="both" dateStyle="full"
timeStyle="full" value="${date}" /></td>
</tr>
<tr>
<td width="51%">Attribute : pattern="yyyy-MM-dd"</td>
<td width="49%"><fmt:formatDate pattern="yyyy-MM-dd" value="${date}" />
</td>
</tr>
<tr>
<td width="51%">Attribute : pattern="yyyy-MM-dd hh:mm:ss"</td>
<td width="49%"><fmt:formatDate pattern="yyyy-MM-dd hh:mm:ss"
value="${date}" /></td>
</tr>
</table>
</body>
</html>

This would produce following result:

<fmt:parseDate> Tag–
The <fmt:parseDate> tag is used to parse dates.

Example-

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>

<html>
<head>
  <title>JSTL fmt:parseDate Tag</title>
</head>
<body>
<h3>Date Parsing:</h3>
<c:set var="now" value="20-10-2013" />

<fmt:parseDate value="${now}" var="parsedEmpDate" 
                              pattern="dd-MM-yyyy" />
<p>Parsed Date: <c:out value="${parsedEmpDate}" /></p>

</body>
</html>

This would produce following result:

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Dinesh Rajput

Dinesh Rajput is the chief editor of a website Dineshonjava, a technical blog dedicated to the Spring and Java technologies. It has a series of articles related to Java technologies. Dinesh has been a Spring enthusiast since 2008 and is a Pivotal Certified Spring Professional, an author of a book Spring 5 Design Pattern, and a blogger. He has more than 10 years of experience with different aspects of Spring and Java design and development. His core expertise lies in the latest version of Spring Framework, Spring Boot, Spring Security, creating REST APIs, Microservice Architecture, Reactive Pattern, Spring AOP, Design Patterns, Struts, Hibernate, Web Services, Spring Batch, Cassandra, MongoDB, and Web Application Design and Architecture. He is currently working as a technology manager at a leading product and web development company. He worked as a developer and tech lead at the Bennett, Coleman & Co. Ltd and was the first developer in his previous company, Paytm. Dinesh is passionate about the latest Java technologies and loves to write technical blogs related to it. He is a very active member of the Java and Spring community on different forums. When it comes to the Spring Framework and Java, Dinesh tops the list!