RE: Commons validation framework and struts

Fri, 12 Dec 2003 07:53:43 -0800

You need to decide if you want to use Struts validation or define your own class. You're example below is inconsistent:

If you want to use Struts validation(which you probably do):
struts-config.xml
-------------------
<form-bean name="calcForm" type="org.apache.struts.validator.DynaValidatorForm"
<form-property name="operand1" type="java.lang.String"/>
<form-property name="operand2" type="java.lang.String"/>
</form-bean>

If you are writing your own validation class, you'll want something along these lines:
validation.xml
--------------------
<validator name="requiredArray"
classname="com.paychex.validator.CustomFieldChecks"
method="validateRequiredArray"
methodParams="java.lang.Object,
org.apache.commons.validator.ValidatorAction,
org.apache.commons.validator.Field,
org.apache.struts.action.ActionErrors,
javax.servlet.http.HttpServletRequest"
msg="errors.requiredArray"/>

You could also implement DynaValidatorActionForm if you want to validate per action rather than per form.

hth,
Ben


From: "Abhishek Srivastava" <[EMAIL PROTECTED]>
Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Subject: Commons validation framework and struts
Date: Fri, 12 Dec 2003 20:04:36 +0530

Hello All,

I am trying to learn the new validation framework provided with struts 1.1
and am facing a few problems.

I have a form object which I have derived from ValidatorForm class. In this
form I have fields like operator1, operator2. I have created a file called
validation.xml where I have made entries like

<form-validation>
    <formset>
        <form name='calcForm'>
                <field name='operand1' depends='required'>
                </field>
                <field name='operand2' depends='required'>
                </field>
        </form>
    </formset>
</form-validation>

The entry for action in my struts config is

    <action path='/calc'
        type='com.abhi.CalcAction'
        scope='request'
        name='calcForm'
        parameter='action'
        input='/calc.jsp'
        validate='true'>
        <forward name='success2' path='/calc.jsp' />
    </action>

    <form-bean
        name="calcForm"
        type="com.abhi.CalcForm"
    />

The application is working fine. Except that when I leave the fields
operator1 or operator2 empty then no error is reported.

Is there some step which I have missed out? Please help me out.

Regards,
Abhishek.

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