Re: Validation Rules XML

[Jeff Kyser]

Hey Brian,

here's my guess:	(note uncertainty :)

	The javascript function required() is generated in:

		org.apache.struts.taglib.html.JavascriptValidatorTag

	in method doStartTag().

If you look at similar statements in other rules in the 
validator-rules.xml file, such as

	oByte = new ByteValidations();

they often have a property jsFunctionName="ByteValidations", etc.

But required, minlength, maxlength, and a number of others do not.

In method doStartTag(), you find:

                    if (va.getJsFunctionName() != null && 
va.getJsFunctionName().length() > 0) {
                        functionName = va.getJsFunctionName();
                    } else {
                        functionName = va.getName();
                    }

and later:

                    results.append("    function " + functionName + " 
() { \n");

So it has to be generating the function:

        function required() {
                // ...
        }
and then later, in the snippet provided by the validator-rules.xml,
a function object is created with:
	oRequired = new required();

I don't have client-side validation enabled on my project, but
that certainly would seem to me to be what's happening.
regards,

-jeff

On Monday, February 24, 2003, at 07:27  AM, Brian Blignaut wrote:

Hi,

I am trying to write the javascript for my own validation rules based 
on the javascript in the validation-rules.xml file. Can anyone tell me 
what the statement 'new required()' does. Where is required defined?

Any help would be greatly appreciated

Brian

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