Struts2 Date Validation Example

The date validator checks that given date is witin the specified range.

Parameters of date validator

There is 3 parameters defined for date validator.

Parameter	Description
fieldName	specifies the field name that is to be validated. It is required in Plain-Validator only.
min	specifies the minimum range. It is ignored bydefault.
max	specifies the maximum range. It is ignored bydefault.

Example of date validator

<validators>
  <!-- Plain Validator syntax -->
         <validator type="date">
	  <param name="fieldName">dob</param>
          <param name="min">01/01/1980</param>
          <param name="max">01/01/2010</param>
          <message>Date of Birth must be within ${min} and ${max}</message>
	</validator>    
</validators>

<validators>
   <!-- Field Validator Syntax -->
      <field name="dob">
      	<field-validator type="date">
       	    <param name="min">01/01/1980</param>
              <param name="max">01/01/2010</param>
              <message>Date of Birth must be within ${min} and ${max}</message>
      	</field>
      </field>

</validators>

Full example of date validator

1) Create index.jsp for input

This jsp page creates a form using struts UI tags. It receives name, password and email id from the user.

index.jsp

<%@ taglib uri="/struts-tags" prefix="s" %>

<s:form action="register">
<s:textfield name="dob" label="Date of Birth"></s:textfield>
<s:submit value="register"></s:submit>
</s:form>

2) Create the action class

This action class inherits the ActionSupport class and overrides the execute method.

RegisterAction.java

package com.javatpoint;

import java.util.Date;

import com.opensymphony.xwork2.ActionSupport;

public class Register extends ActionSupport{
private Date dob;


public Date getDob() {
	return dob;
}


public void setDob(Date dob) {
	this.dob = dob;
}


public String execute(){
	return "success";
}

}

3) Create the validation file

Here, we are using bundled validators to perform the validation.

Register-validation.xml

<?xml version="1.0" encoding="UTF-8"?>

  <!DOCTYPE validators PUBLIC 
  		"-//OpenSymphony Group//XWork Validator 1.0.2//EN" 
  		"http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">

  		<validators>
  		
  		<field name="dob">
  		<field-validator type="date">
  		<param name="min">01/01/1950</param>
  		<param name="max">01/01/2010</param>
  		
  		<message>Date of Birth must be between ${min} to ${max}</message>
  		</field-validator>
  		</field>
  		
  		
  		</validators>

4) Create struts.xml

This xml file defines an extra result by the name input, and an interceptor jsonValidatorWorkflowStack.

struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>

<package name="default" extends="struts-default">
<action name="register" class="com.javatpoint.Register">
<result name="input">index.jsp</result>
<result>welcome.jsp</result>
</action>
</package>

</struts>    
   
 

5) Create view component

It is the simple jsp file displaying the information of the user.

welcome.jsp

<%@ taglib uri="/struts-tags" prefix="s" %>

Date of Birth:<s:property value="dob"/>

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