Okay, some more on this.
This is not a Guice issue. This might not be an issue at all. Since the
docs didn't really have any good array examples, I just made some
assumptions, which might actually be incorrect - still waiting for the
final verdict from a Struts committer. I removed the Guice code and went
through everything again and it does appear that this doesn't work. Ognl
appears to call the getter for the array, which returns null, and then
just bails because it can't set the value into null.
Is there anyway to handle creation of arrays from the parameters in the
form foo[0], foo[1], etc? Or do I need to write the additional code for
managing a list internally or using an indexed setter?
thx,
-bp
Brian Pontarelli wrote:
Yeah, it looks like it goes all the way through the Ognl stack and out
to the ObjectFactory. Not sure why this is happening since supposedly
it should handle arrays, collections, Maps, etc. I'm gonna grab the
Ognl code and see if I can track this puppy down. If anyone has info,
please send it my way.
thanks,
-bp
Bob Lee wrote:
Are you using the Guice Struts 2 plugin? I didn't realize Struts 2 would
delegate to the ObjectFactory to create an int[].
Bob
On 4/2/07, Brian Pontarelli <[EMAIL PROTECTED]> wrote:
I'm playing around with Guice as an ObjectFactory and I've run into an
issue. I've got an action that I want to handle an array of values from
a form using the [] notation. My form looks something like:
<input type="text" name="numbers[0]"/>
<input type="text" name="numbers[1]"/>
...
My action is roughly:
public class Update extends ActionSupport {
private int[] numbers;
// getter and setter
}
What I've found is that when the ParametersInterceptor is called it
delegates to Ognl and rather than Ognl creating the array and doing all
the type conversions it is passing control over to Guice and asking
Guice to instantiate an instance of int[], which of course fails. Is
this correct or am I missing something between Ognl, XWork and
Guice? Or
is Guice not playing nice and handing back control to Ognl or XWork
like
it is supposed to?
Thanks,
-bp
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