That seems like reasonable behavior to me. The workings of checkbox inputs
can be very annoying for some programming models, including simple CRUD
interfaces. If a model object has a boolean property, it'd be nice for there
to be a way to make sure that the server always gets an explicit value for
the checkbox. In another UI framework that problem grew to annoy me so much
that I added a tag that marries a checkbox to a hidden input field. The
checkbox serves no other purpose than to drive client-side code to update
the hidden field.
In the case of a lower-case-"b" boolean property, the framework doesn't
really have a way to tell you that no value was received for that input
field; or, more correctly, it has no way to distinguish between an explicit
"false" and a "nothing supplied" false.
On Mon, Nov 17, 2008 at 1:58 PM, Nathan Maves <[EMAIL PROTECTED]>wrote:
> So I am a bit confused on the use of a checkbox with a Boolean attribute.
>
> >From the taglib docs...
>
> "When the value attribute is omitted, as above, the checkbox defaults
> to the simple behaviour of sending "true" to the server when checked
> and nothing to the server when unchecked. For this reason it is best
> to use boolean values, or Boolean values initialized to
> Boolean.FALSE."
>
> In my action I have a custom domain object with a Boolean attribute
> contained in it. When the chekbox is not selcted the value of the
> field is set to Null. In the default constructor of my domain object
> I initialized the Boolean field to Boolean.FALSE.
>
> Everything work fine if I use boolean instead of Boolean. What more
> am I expected to "initialize" when using a Boolean or is this a bug?
>
> Nathan
>
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