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List:       jibx-users
Subject:    Re: [jibx-users] A collection of items with custom marshaller/unmarshaller
From:       Dennis Sosnoski <dms () sosnoski ! com>
Date:       2004-09-22 2:21:47
Message-ID: 4150E1BB.4070705 () sosnoski ! com
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The <format> only works with the static type information known to the 
binding compiler, unlike <mapping> which is dynamically typed at 
runtime. To get the <value> to use the format you need to tell the 
binding compiler that the items in the collection are of the type 
associated with the format. You should be able to do this by using 
<value name="rq" 
type="gr.talent.cruiser.dataManager.fetch.queue.RTDRequest"/>. You could 
also just specify the serializer/deserializer directly on the <value> 
element without using a separate <format>, as <value name="rq" 
serializer="gr.talent.cruiser.dataManager.fetch.queue.JiBXHelper.marshallRTDRequest" 
deserializer="...unmarshallRTDRequest"/>

Using the item-type attribute of the <collection> *won't* work, though I 
can see where you'd think it would. The documentation says this has to 
be the name of a class with a defined <mapping>. If that's not being 
checked now it should be to let users know when they've got a problem.

  - Dennis

???e??? ?a???t?a??? wrote:

>Hi guys,
>
>I've an ArrayList which contains instances of a class RTDRequest. For
>various reasons, I've defined
>a custom marshaller/unmarshaller for this class.
>
>I thought I'd use a <collection> in the binding, and define a <format>
>element to set the serializer/deserializer for
>the class type, thinking that JiBX would see the class type in the
>collection and look for the appropriate de/serializer.
>
>But that didn't happen, at best all I got was an RTDRequest.toString() :(
>Does anyone have any ideas ?
>
>I've tried both:
>
><collection field="rtd_reqs">
>            <value name="rq"/>
>        </collection>
>
>and:
>
><collection field="actionDescriptors"
>item-type="gr.talent.cruiser.dataManager.fetch.queue.RTDRequest" />
>
>and my <format> tag is:
>
><format type="gr.talent.cruiser.dataManager.fetch.queue.RTDRequest"
>
>serializer="gr.talent.cruiser.dataManager.fetch.queue.JiBXHelper.marshallRTD
>Request"
>
>deserializer="gr.talent.cruiser.dataManager.fetch.queue.JiBXHelper.unmarshal
>lRTDRequest"/>
>
>
>
>Cheers, Angel
>


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