You might study the JAXB tutorial
https://jaxb.dev.java.net/tutorial/
Chapter 2 contains some advice for writing XML schemas that
will result in good Java code. (It is difficult to imagine that your
120 classes don't contain duplicates, resulting from anonymous
types. So, some rewriting of your schema might reduce this
number, perhaps even considerably.)
Chapter 6 discusses annotations, which is the way to go if you
want to marshal using existing Java classes.
Better advice could be given after seeing (part of) your schema
(consistent substitutions might be sufficient to camouflage its
contents, if that's bothering you).
-W
On 7/8/09, varun.rally_at_rbs.com <varun.rally_at_rbs.com> wrote:
>
> Ok, I will but I just want to make sure I am on the right track.
>
> So with JAXB, it is possible to use pre-existing Java objects and annotate
> their fields to create a XML that confirms to a particular schema. Is that
> correct? If yes, how JAXB will find all classes that have annotations.
>
>
> -----Original Message-----
> From: aleksei.valikov_at_gmail.com [mailto:aleksei.valikov_at_gmail.com] On
> Behalf Of Aleksei Valikov
> Sent: 08 July 2009 12:28
> To: users_at_jaxb.dev.java.net
> Subject: Re: Java objects to XML Mapping.
>
> Hi,
>
> > Actually we need to populate each and every element inside the XML. JAXB
> has created a class for each element in XML. Hence if we go with the first
> approach, then we will definitely require all 120+ classes.
>
> If you need to populate each and every element inside the XML then I don't
> see why you mind having 120 classes. Would you prefer two or three huge
> classes?
>
> By the way, usually JAXB does not create a class per element, it's usually
> class per complex type. 120 classes would mean the order of 120 complex
> types in your schema for me.
>
> > 2nd approach looks better to me as well, but I don't have any idea on how
> to achieve it. Can you please through some more light on the second option.
> >
> > For Example, let us say there is tag <employeeName>. Its value needs to
> be populated from some class for example..BankAccountDetails and the field
> name is ename. Then how do we proceed in the right direction.
> >
> > Also, please share some internet references for the 2nd option that I can
> look at, learn and implement.
>
> To be honest, I don't feel like quoting Google.
> You may start with the Chapter 8 of the JAXB specification, it explains
> Java Type to XML binding.
>
> Bye.
> /lexi
>
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