Hi Kevin,
"Ruland, Kevin S [ITS]" wrote:
>
> Keith,
>
> Thanks for the info.
>
> Could you give me pointers in how to modify & build from
> org/exolab/castor/mapping/mapping.xsd? Specifically my questions are:
>
> 1) there is no ant task to use the SourceGenerator and regenerate the
> com.exolab.castor.mapping.xml package. I ran it by hand, but noticed way to many
> changes between the newly generated source and the previous source. Most of these
> changes were, I believe, because the source in the distribution was generated with
> Castor 0.8.12. Should I use that version when I try my experiments.
We run it by hand, but you also need to use the binding file.
Usually, what I do, is copy the definition I've changed to a new schema
stub and only generate the sources for that piece (for example just the
bind-xml definition) into a temp directory and then I copy over the
newly created source files. This way, if anything goes wrong, I know the
scope of the problem.
>
> 2) Are the mapping.xsd and mapping.dtd files manually reconciled or is there some
> way you generate one from the other?
They are manually reconciled. The mapping.xsd is the master file of
course, and mapping.dtd is manually updated anytime the mapping.xsd is
updated.
>
> 3) I don't understand how to modify the mapping.xsd and use a property to allow the
> functionality to be optionally included. Am I missing something.
Well, if you're adding a new item to the mapping file, you can make it
optional by using minOccurs="0" for an element, and use="optional" for
an attribute.
If you're trying to make some sort of behavior in the Marshaller or
Unmarshaller optional, you can add a new property in the
Configuration/LocalConfiguration classes, and then access that property
from the Marshaller/Unmarshaller to determine the proper behavior.
There are a number of ways to make some sort of new functionality
optional, you just need to find the best way to do it for your
particular case.
--Keith
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