Re: [Simple-support] value preprocessing before deserialization

[<Nia...@ub...>]

Hi,

I was just about to write how you could wrap all the transforms or even a transformer such that it could intercept the strings before conversion and decode them. But the persister only has access to the Matcher :(. Anyway that is something I can fix later. You can use the org.simpleframework.xml.graph.TreeStrategy, it's the very same as the DefaultStrategy only its public (in 2.0.2). There you can match the class and decode it when deserializing. There are plenty of unit tests and some info in the tutorial that will show you how to do this.

Hope this helps,
Niall

-----Original Message-----
From: Paweł Kierat [mailto:paw...@gm...] 
Sent: 19 January 2009 10:58
To: sim...@li...
Subject: [Simple-support] value preprocessing before deserialization

Hi,

I need to (de)serialize a list of java beans to/from XML message. The problem is that all values (i.e. integers, doubles, dates etc.) in each bean are sent as base64-encoded strings, e.g.:

<response>
   <person>
       <name>[base64-encoded String]</name>
       <age>[base64-encoded int]</name>
       <birthDate>[base64-encoded date]</birthDate>
       ...
   </person>
</response>

Is there a simple way to decode those beans without holding all their fields as Strings?

I thought of creating a custom transformation, but then I would have to reimplement all the default transforms as they are not exported by the org.simpleframework.xml  package (all classes have "package private" scope).
I was also considering a custom strategy, but again - the DefaultStrategy is "package private" too.

Thanks in advance,

Pawel

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