"benar kayali" <
[hidden email]> wrote in message
news:9t9gkt$c2a$06$
[hidden email]...
Hi Benar,
>i am interested in the coding/decoding abilities of your
> framework.
Yes this is also what interests me most.
> do you have an outline/hints for using it with a own xml-schema?
> Specially the marshalling/unmarshalling from/to xml nodes?
One of the goals of Spray was to make it easy to download a WSDL, which
defines a WebService, and use that service without having to configure how
the type definitions of the WSDL schema decode/encode. To enable this, when
a xml-schema is imported, Spray will decode/encode into the "Generic Value
classes" [1]. For the typical case of a complexType definition, the value
class is a keyed collection keyed by element name.
Using your own schema is similar to importing a schema that is part of a
WSDL. You need to import it into the typespace. An example of this is at
[2].
marshalling/unmarshalling is performed by a visitor over the XeContent
components. A particle (typically an element) contains an objectAccessor,
which is responsible for setting (and getting) its value into its parent
object. For the generic value classes a keyedAccessor is used. To encode and
decode into your own class, a selectorAccessor is used which uses the
elements local name as a getter/setter. There is also a third class of
accessor used for attributes in literal encoding. At this stage I have not
needed anything more complicated.
An example which compares the use of keyedAccessors to selectorAccessors can
be found at [3] These examples are from the perspective of a WebService
server, however you can follow the examples, and instead of sending
soapMessages, ask the service for its typespace and encode/decode objects
manually.
I should also point out that Sprays literal encoding support is still Alpha.
At this stage only soap-enc encoding is complete. Full xml-schema support is
a large undertaking, and I am unsure whether I am willing to commit the time
to Spray to provide full support. That said, it should support most common
ways of using schema components to describe data structures.
If you can provide me with a sample xml-schema, and some use cases of how
you would like to do marshalling/unmarshalling, I would be happy to provide
some concrete examples for you on the wiki. Writing documentation for Spray
was very challenging, it is easier to answer questions and provide examples!
Thanks,
Steve Waring
www.dolphinharbor.org
(Information at the following links can also be found in the documentation
download. The wiki on port 8080 can become unresponsive, but should clear
after a couple of hours)
[1]
http://www.dolphinharbor.org:8080/SprayDocumentation/24#GenericValueClasses[2]
http://www.dolphinharbor.org:8080/SprayDocumentation/24#ImportedSchemaFactory
[3]
http://www.dolphinharbor.org:8080/SprayDocumentation/21#DocumentLiteral
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