I hope there exists a simpler solution, but here is my workaround: use an
expression validator.
This idea was taken from
http://www.opensymphony.com/webwork/wikidocs/collection%20validator.html
webwork wiki: collection validator (it seems that the collection validator
is not yet available in struts).
For example, if you want to say that lastName is a requiredString, then you
can create an expression validator like this:
<validator type="expression">
persons.{#this.lastName.length() > 0}.{? #this == false }.size() <= 0
<message>lastName cannot be empty</message>
</validator>
which means: the size of the sub-collection of persons that does not satisfy
the condition "lastName.length>0" must be <=0.
Julio Alberto Jalón wrote:
>
>
> May I didn't explain myself correctly. What I would like to know is how to
> validate multiple fields. I'll write an example. I have a form in a JSP
> which generate the field dynamically. E.g:
>
> <s:form action="editPerson" theme="simple" validate="false">
> <table>
> <tr>
> <th>ID</th>
> <th>First Name</th>
> <th>Last Name</th>
> </tr>
> <s:iterator id="p" value="persons">
> <tr>
> <td>
> <s:property value="%{id}" />
> </td>
> <td>
> <s:textfield label="First Name"
> name="persons(%{id}).name" value="%{name}" theme="simple" />
> </td>
> <td>
> <s:textfield label="Last Name"
> name="persons(%{id}).lastName" value="%{lastName}" theme="simple"/>
> </td>
> </tr>
> </s:iterator>
> </table>
>
> <s:submit method="save" value="Save all persons"/>
> </s:form>
>
>
>
> Where person is a List in the action class. Now, what I would like to know
> is how could I achieve this fields to be validated. For example, I would
> like that if the name is filled the last name should be also filled and
> both can only contains letters and blanks.
>
>
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