There is an opensource project called castor from exolab.org that 
provides a mapping framework between java objects and xml documents, all 
you have to do is write the schema.

Rich Catlett

Paul Wadmore wrote:

> Hello everybody,
> 
> I am fairly new to Apache SOAP and need some help.
> 
> As part of my current project I am looking at using Maps containing other Java 
>objects of arbitrary depth as part of web service calls.
> 
> Regardless of whether I use RPC or XML messaging I would like to serialize a Map 
>into XML and deserialize XML into a Map.
> 
> If I use RPC I can simply register custom serializers/deserializers for each complex 
>type contained within the Map.
> 
> My questions are as follows:
> 
> 1) If I use XML messaging, can I use custom serializers/deserializers to convert 
>between Java and XML or do I have to build my own serialization classes from scaratch 
>(i.e. are the Serializer and Deserializer interfaces exclusive to RPC?)
> 2) If the web service call is asynchronous, am I restricted to using XML Messaging 
>or can I make an asynchronous RPC call (e.g. posting a message to a JMS Queue exposed 
>as a web service (is exposing a JMS queue as a web service even possible??)).
> 
> I've spent all day looking at the Apache SOAP docs and the web and am having real 
>problems finding answers to my questions.
> 
> I hope somebody out there with more SOAP knowledge can help me.
> 
> Many Thanks In Advance
> Paul Wadmore
> 
> 
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