Re: [xml-dev] Best way to create an XML document

[Michael Glavassevich <mrglavas@ca.ibm.com>]

"Andrew Welch" <andrew.j.welch@gmail.com> wrote on 04/13/2008 05:22:42 AM:

> On 13/04/2008, Michael Kay <mike@saxonica.com> wrote:
> > > So to bring the thread back around to the original point -
> >  > the easiest way to create an XML document is to use JAXB
> >  > 2.1...  annotate your outermost container class then just
> >  > marshall it out.  That's just 2 additional lines in its most
> >  > basic form.
> >
> >
> > I suspect this is only the easiest way to do it in cases where there is
a
> >  fairly close correspondence between the existing Java data
> structure and the
> >  XML you want to create. Where I have had to do this, this has
> never been the
> >  case.
>
> The solution there is to have an extra layer between your code and the
> pojos that map to the XML... Keep the XML to pojo really simple so
> there is a close correspondence between the two, moving any complex
> conversion to the extra layer.

With JAXB you can write an adapter [1] which does the conversion and then
install it using an annotation [2].

> --
> Andrew Welch
> http://andrewjwelch.com
> Kernow: http://kernowforsaxon.sf.net/
>
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[1]
http://java.sun.com/javase/6/docs/api/javax/xml/bind/annotation/adapters/XmlAdapter.html
[2]
http://java.sun.com/javase/6/docs/api/javax/xml/bind/annotation/adapters/XmlJavaTypeAdapter.html


Michael Glavassevich
XML Parser Development
IBM Toronto Lab
E-mail: mrglavas@ca.ibm.com
E-mail: mrglavas@apache.org