[S2] Validating two dates

[Binil Thomas <bi...@gmail.com>]

Hi all,
I searched the archives on this, but could not find an answer - hence I am
posting it here.

I have two date fields on my form. I want to validate that the first is
always on or before the second. I want the error message to show next to the
second date field. 

In my Action-alias-validation.xml, I tried:
<validator type="expression">
    <param name="expression">firstDate.after(secondDate)</param>
    <message>First date cannot be after second date</message>
</validator>
This does not run during AJAX field validations.

I also tried:
<field name="secondDate">
    <field-validator type="required">
        <message>Second date cannot be empty</message>
    </field-validator>
    <field-validator type="date">
        <param name="min">${firstDate}</param>
        <message>Second date has to be on or later than first date
${firstDate}</message>
    </field-validator>						
</field>

This throws an error on the server-side:
WARNING: Caught OgnlException while setting property 'min' on type
'com.opensymphony.xwork2.validator.validators.DateRangeFieldValidator'
java.lang.NoSuchMethodException: setMin(java.lang.String)
        at ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:824)
        at ognl.OgnlRuntime.setMethodValue(OgnlRuntime.java:978)
        at
ognl.ObjectPropertyAccessor.setPossibleProperty(ObjectPropertyAccessor.java:75)
        ...
DateRangeFieldValidator expects the min parameter to be a date, and I think
the ${firstDate} construct did not work.

Can someone please guide how to accomplish this?

Thanks,
Binil
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Re: [S2] Validating two dates

[Binil Thomas <bi...@gmail.com>]

Hi all,

I got it working using the fieldexpression validator. 

<field-validator type="fieldexpression">
    <param name="expression">
        firstDate.before(secondDate) || firstDate.equals(secondDate)
    </param>
    <message>Second date has to be on or later than first date</message>
</field-validator>		

Posting this here so that it might be helpful to someone. Please see
http://struts.apache.org/2.0.6/docs/fieldexpression-validator.html - not
sure why I missed it!

Thanks,
Binil


Binil Thomas wrote:
> 
> Hi all,
> I searched the archives on this, but could not find an answer - hence I am
> posting it here.
> 
> I have two date fields on my form. I want to validate that the first is
> always on or before the second. I want the error message to show next to
> the second date field. 
> 

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