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From "Balakrishna, Vandana (Cognizant)" <Vanda...@pun.COGNIZANT.COM>
Subject RE: Bean Serializer/ Deserializer
Date Thu, 13 Mar 2003 16:35:50 GMT

I am kind of confused about the way AXIS goes about (de)serializing objects. I have data objects
that have applications specific implementation along with the properties and their get-set
methods. I assumed that I would have to write custom (de)serializers for these, but just specifying
a beanmapping in the deploy.wsdd automatically does that for me. 

In what scenario would I need to use TypeMappings then ?  Wasn't the data object I was trying
to serialize a custom data object? Agreed, it followed the standard Java bean convention,
but it also had methods, that were specific to my application. How does AXIS BeanSerializer,
internally resolve such data objects and serialize them? 

I was doing the same using the SOAP EAR Enabler tool, and I had to write my custom (de)serializers
for ArrayLists as well as such data objects(in which I just encoded my entire object using
the Base64encoding, into a string, and then marshalled the string using the Stringserializer).

I have gone through the Architecture Guide as well as the User Guide, but am still confused
about it. I would really appreciate if someone could just run me through the process of how
AXIS goes about (de)serializing the objects.

Another thing I am confused about is the topic of Interoperability. How would a Microsoft
client know how to invoke my service if the method I have exposed has a java data object X
as a parameter? Would it invoke the method with its own data type/object which would then
be serialized into the format specified by the WSDL?

I am at my wits end regarding this, so need help asap....:)


-----Original Message-----
From: Balakrishna, Vandana (Cognizant) 
Sent: Tuesday, March 11, 2003 3:16 PM
Subject: RE: Bean Serializer/ Deserializer


I am trying to write serializers and deserializers for my application specific data objects(there
are some methods apart from the getter setter methods and the constructor). Can anyone let
me know if I can find any sample code for the same on the web? If anyone has done this can
you please post the code? 


-----Original Message-----
From: Mike DuVall []
Sent: Friday, March 07, 2003 8:26 PM
Subject: RE: Bean Serializer/ Deserializer

Thanks for the info, Paul.  I actually did figure that out this morning 
through trial and error.  Being able to specify the makeup of the bean via 
BeanInfo looks to be a very nice way of solving several problems that I am 
having.  One problem in particular is that we have several classes that have 
'char's as properties, and axis seems to choke on those.  What I did to 
solve this is create an additional getter/setter pair for the char property 
that takes a String instead of a char, and converts back in forth between 
the char and the string.  Then I created a BeanInfo that says to use the 
String getter/setter rather than the char getter/setter for that attribute.  
Works very nicely.  (We could also just convert the char to string outright, 
but this saves us from having to change a lot of code that depends on the 
existing interface).

----Original Message Follows----
From: "Paul Andrews" <>
To: <>, <>
Subject: RE: Bean Serializer/ Deserializer
Date: Fri, 7 Mar 2003 09:24:27 -0500

They use the reflection package. If you implement BeanInfo classes you
can control precisely what gets serialized/deserialized. Look in the
java.beans package for more info.

 > -----Original Message-----
 > From: Mike DuVall []
 > Sent: Thursday, March 06, 2003 2:38 PM
 > To:
 > Subject: Bean Serializer/ Deserializer
 > I have a question about how the built in BeanSerializer and
 > BeanDeserializer
 > determines what getters and setters to call.
 > Do these classes just call every getter and setter on an a
 > bean, or do they
 > first look for data fields in the object, and then look for
 > getters and
 > setters that correspond to those data fields?  I'm guessing
 > they just look
 > for getters and setters regardless of what data fields may exist.
 > Also, is there some way to have the
 > BeanSerializer/Desserializer ignore
 > certain getters/setters?
 > Thanks,
 > Mike
 > _________________________________________________________________
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