Hello Keith,
I'm sure you mean
...
> <class name="Article" ...>
> ...
> <field name="categories" type="Category"
> collection="array" ...>
> <bind-xml node="attribute" reference="true"/>
> </field>
> ...
> </class>
Cause reference is an attribute of <bind-xml/>.
My code and mapping looks exactly like you posted, but the Unmarshalling
always ends up with the following exception:
java.lang.IllegalArgumentException: array element type mismatch
at java.lang.reflect.Array.set(Native Method)
at
org.exolab.castor.mapping.loader.J1CollectionHandlers$1.add(Unknown
Source)
at
org.exolab.castor.mapping.loader.FieldHandlerImpl.setValue(Unknown
Source)
at
org.exolab.castor.xml.UnmarshalHandler.processAttribute(Unknown Source)
at
org.exolab.castor.xml.UnmarshalHandler.processAttributes(Unknown Source)
at org.exolab.castor.xml.UnmarshalHandler.startElement(Unknown
Source)
at
org.apache.xerces.parsers.SAXParser.startElement(SAXParser.java:1340)
at
org.apache.xerces.validators.common.XMLValidator.callStartElement(XMLVal
idator.java:1197)
at
org.apache.xerces.framework.XMLDocumentScanner.scanElement(XMLDocumentSc
anner.java:1862)
at
org.apache.xerces.framework.XMLDocumentScanner$ContentDispatcher.dispatc
h(XMLDocumentScanner.java:1238)
at
org.apache.xerces.framework.XMLDocumentScanner.parseSome(XMLDocumentScan
ner.java:381)
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1035)
at org.exolab.castor.xml.Unmarshaller.unmarshal(Unknown Source)
at org.exolab.castor.xml.Unmarshaller.unmarshal(Unknown Source)
at
sportbet.server.config.def.OptionsDefinitions.load(OptionsDefinitions.ja
va:56)
at
sportbet.server.config.def.OptionsDefinitions.getInstance(OptionsDefinit
ions.java:96)
at sportbet.client.test.Main.testConfigDef(Main.java:49)
at sportbet.client.test.Main.main(Main.java:60)
It seems that castor does not find the <category> elements identified by
their id-attribute. Castor does not make a reference to them.
I can post the code if noone knows the problem. I've attachet the
mapping and a sample xml-file.
Thanks,
Thomas
> -----Urspr�ngliche Nachricht-----
> Von: Keith Visco [mailto:[EMAIL PROTECTED]]
> Gesendet: Mittwoch, 25. September 2002 18:46
> An: [EMAIL PROTECTED]
> Betreff: Re: [castor-dev] Unmarshal IDREFS
>
>
>
>
> Hi Thomas,
>
> You can use something like the following :
>
> <class name="Category" identity="id" ...>
> ...
> <field name="id" ...>
> <bind-xml node="attribute"/>
> </field>
> ...
> </class>
>
> <class name="Article" ...>
> ...
> <field name="categories" type="Category"
> collection="array" reference="true" ...>
> <bind-xml node="attribute"/>
> </field>
> ...
> </class>
>
> Note the use of the 'identity' and 'reference' attributes.
>
> --Keith
>
> Thomas Louis wrote:
> >
> > Hello,
> >
> > Is it possible to unmarshall the following xml
> >
> > <shop>
> > <category id="food"/>
> > <category id="vegetarian"/>
> > <category id="pizza"/>
> >
> > <article categories="food vegetarian pizza">Pizza
> > Funghi</article>
> > ...
> > </shop>
> >
> > To an object-tree like that:
> >
> > Class Shop {
> > Category[] categories;
> > Article[] articles;
> > ...
> > }
> >
> > Class Category {
> > String id;
> > ...
> > }
> >
> > Class Article {
> > Category[] categories;
> > String desc;
> > ...
> > }
> >
> > I hope you can imagine what I mean. I didn't get castor to
> create the
> > Article.categories array on unmarshalling. How must the
> mapping-file
> > look like?
> >
> > Thanks,
> > Thomas
> >
> > -----------------------------------------------------------
> > If you wish to unsubscribe from this mailing, send mail to
> > [EMAIL PROTECTED] with a subject of:
> > unsubscribe castor-dev
>
> -----------------------------------------------------------
> If you wish to unsubscribe from this mailing, send mail to
> [EMAIL PROTECTED] with a subject of:
> unsubscribe castor-dev
>
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end
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