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List:       jibx-users
Subject:    Re: [jibx-users] Confused on how to bind
From:       Dennis Sosnoski <dms () sosnoski ! com>
Date:       2006-08-21 8:03:40
Message-ID: 44E968DC.9080400 () sosnoski ! com
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Hi Jeff,

You could perhaps do this using set-method rather than field, where you 
have multiple set-methods for the different possible cases (which all 
end up storing to the same field). However, your best bet is probably to 
write a simple custom unmarshaller to handle this case. That's a little 
more work, but gives you the flexibility to build in code to handle the 
different possible cases cleanly. See 
http://jibx.sourceforge.net/tutorial/binding-custom.html#marunmar for a 
starting point.

  - Dennis

Dennis M. Sosnoski
SOA, Web Services, and XML
Training and Consulting
http://www.sosnoski.com - http://www.sosnoski.co.nz
Seattle, WA +1-425-296-6194 - Wellington, NZ +64-4-298-6117



jeff.krasky@thomson.com wrote:
> Thanks.  Unfortunately case 1 is pretty popular.  :-(  What is this 
> xsi:type that you referred to?  Is there any way I can just create a 
> "hack" and have whatever is a child of <a> be unmarshalled into an 
> object x?  Then in object x I could examine to see which of the three 
> cases applied?
> 
> ------------------------------------------------------------------------
> *From:* chetan.v.minajagi@jpmchase.com
> [mailto:chetan.v.minajagi@jpmchase.com]
> *Sent:* Tuesday, August 15, 2006 11:27 AM
> *To:* Krasky, Jeffrey (West)
> *Subject:* Re: [jibx-users] Confused on how to bind
> 
> 
> Hi,
> 
> I think you have to use something related to xsi:type in this case
> since
> structurally *a* in case 1 is radically different from case 3 or
> case 2.
> also if you had only 2  possibilities (only case 2 or case 3)  i
> would have suggested you to use optional as in
> 
> <value name="*b*" field="*b*" usage="optional"/>
> the optional tag ensures that jibx iwll not complain if *b* is
> missing
> 
> sorry i can't be of much help.but if you think case 1 will never
> arise then you could try using the usage="optional" .
> 
> Regards,
> Chetan
> 
> 
> 
> 
> 
> 	*<jeff.krasky@thomson.com>*
> Sent by: jibx-users-bounces@lists.sourceforge.net
> 
> 15/08/2006 17:05
> Please respond to JiBX users
> 
> 	       
> To:        <jibx-users@lists.sourceforge.net>
> cc:        
> Subject:        [jibx-users] Confused on how to bind
> 
> 
> 
> 
> Hi,
> I have an XML file that can appear in one of three ways:
> 
> 1) <a>
> <b>
> <c>some text</c>
> </b>
> </a>
> 
> 2) <a>
> <b>some text</b>
> </a>
> 
> 3) <a>
> <c>some text</c>
> </a>
> 
> As you can see, "some text" can appear between either the <b> or
> the <c> tags.  I think the major hangup is the possibility that
> the <c> tag can appear as a child of EITHER <a> or <b>.
> 
> Is something like this even possible to bind?  If so, can someone
> give me a sketch of the binding code?  I am writing/rewriting it
> as I keep getting confused....  Really, all I care about is the
> "some text" part.  Nothing else is of importance to me.
> 
> 
> Thanks,
> 
> 
> 
> 
> Jeff-------------------------------------------------------------------------
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> -------------------------------------------------------------------------
> Using Tomcat but need to do more? Need to support web services, security?
> Get stuff done quickly with pre-integrated technology to make your job easier
> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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