Validation in struts

manikandan jayakumar

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Posts: 44

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posted 10 years ago

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Hi,

can anybody help me to validate my input form.

'm trying to do automatic validation on my input form

here are my files:
index.jsp

<%@ taglib uri="/WEB-INF/lib/META-INF/tld/struts-html.tld" prefix="html" %>
    
<html>
	<head></head>
	<body>
		<form action="helloWorld.do" method="post" name="index" validate="true">
			<table>
				<tr>
					<td>Student name:</td>
					<td><input type="text" name="studName"/></td>
				</tr>
				<tr>
					<td>Mark 1:</td>
					<td><input type="text" name="mark1"/></td>
				</tr>
				<tr>
					<td>Mark 2:</td>
					<td><input type="text" name="mark2"/></td>
				</tr>
				<tr>
					<td>Mark 3:</td>
					<td><input type="text" name="mark3"/></td>
				</tr>
				<tr>
					<td>Mark 4:</td>
					<td><input type="text" name="mark4"/></td>
				</tr>
				<tr>
					<td>Mark 5:</td>
					<td><input type="text" name="mark5"/></td>
				</tr>
				<tr>
					<td>Want to continue? </td>
					<td><input type="radio" name=check value="y" checked> YES </input>
						<input type="radio" name=check value="n"> NO </input></td>
				</tr>
				<tr>
					<td></td>
					<td><p><input type="submit"/></p></td>
				</tr>
			</table>
		<form>
	</body>
</html>

struts-config.xml

<?xml version="1.0" encoding="ISO-8859-1"?>

<!DOCTYPE struts-config PUBLIC
          "-//Apache Software Foundation//DTD Struts Configuration 1.3//EN"
          "http://struts.apache.org/dtds/struts-config_1_3.dtd">
	  <struts-config>
	<form-beans>
		<form-bean name="name" type="com.HelloForm"/>
		
	</form-beans>
	<action-mappings>
		<action path="/helloWorld" type="com.HelloWorldA" name="name" scope="request" input="/index.jsp">
			<forward name="successY" path="/index.jsp"/>
			<forward name="successN" path="/helloWorld.jsp"/>
			<forward name="failed" path="/failure.jsp"/>
		</action>
	</action-mappings>
	<message-resources parameter="MessageResources"/>
	<plug-in className="org.apache.struts.validator.ValidatorPlugIn">
    		<set-property property="pathnames" value="/org/apache/struts/validator/validator-rules.xml,
               /WEB-INF/validation.xml"/>
	</plug-in>
	<taglib>
	  	<taglib-uri>/WEB-INF/struts-html.tld</taglib-uri>
		<taglib-location>/WEB-INF/struts-html.tld</taglib-location>
	</taglib>
</struts-config>

validation.xml
trying to validate only name field

web.xml

HelloForm.java

package com;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
public class HelloForm extends ActionForm
{
  	private String name = "",checks="";
	private String mark1="",mark2="",mark3="",mark4="",mark5="";
	public String getCheck()
	{
		return (checks);
	}
	public void setcheck(String yes)
	{
		this.checks=yes;
	}
	public String getName()
       	{
  	  	return (name);
  	} 	 
  	public void setstudName(String sname)
       	{
  	  	this.name = sname;
  	}
	public String getmark1()
	{
		return mark1;
	}
	public void setMark1(String mark)
       	{
  	  	this.mark1 = mark;
  	}public String getmark2()
	{
		return mark2;
	}
	public void setMark2(String mark)
       	{
  	  	this.mark2 = mark;
  	}public String getmark3()
	{
		return mark3;
	}
	public void setMark3(String mark)
       	{
  	  	this.mark3 = mark;
  	}public String getmark4()
	{
		return mark4;
	}
	public void setMark4(String mark)
       	{
  	  	this.mark4 = mark;
  	}public String getmark5()
	{
		return mark5;
	}
	public void setMark5(String mark)
       	{
  	  	this.mark5 = mark;
  	}
}

'm not able to validate if i submit my form with empty
javax.servlet.ServletException: org.apache.jasper.JasperException: /failure.jsp(6,0) Expecting "jsp:param" standard action with "name" and "value" attributes
org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:286)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

Don't get me started about those stupid light bulbs.