Sylvain,
I guess this relates to one of the existing Jira issues, correct. Of so,
can you please make this (new) information available as part of the
existing Jira issue. If not, please feel free to create a new one.
Regards
Werner
Sylvain Lemasson wrote:
I have make a test with only one schema and it works fine. The
unmarshalling and the marshalling does not rase any error.
So the issue arise when two schemas are used.
/Sylvain/
----- Message d'origine ----
De : Sylvain Lemasson <[EMAIL PROTECTED]>
À : [email protected]
Envoyé le : Dimanche, 16 Septembre 2007, 13h20mn 28s
Objet : [castor-user] Tr : Tr : unmarsalling xml with xsi:type
Hello,
I have the following xsd files:
parent.xsd
<?xml version="1.0" encoding="UTF-8"?>
<schema
xmlns="http://www.w3.org/2001/XMLSchema";
targetNamespace="http://www.example.org/parent";
xmlns:tns="http://www.example.org/parent";>
<complexType name="vehicle" abstract="true">
<sequence>
<element name="name" minOccurs="1" maxOccurs="1"></element>
</sequence>
</complexType>
<complexType name="travel">
<sequence>
<element name="myvehicle" type="tns:vehicle">
</element>
</sequence>
</complexType>
<element name="root">
<complexType>
<sequence>
<element name="travel" type="tns:travel" minOccurs="1"
maxOccurs="1"></element>
</sequence>
</complexType>
</element>
</schema>
child.xsd
<?xml version="1.0" encoding="UTF-8"?>
<schema
xmlns="http://www.w3.org/2001/XMLSchema";
targetNamespace="http://www.example.org/child";
xmlns:tns="http://www.example.org/child";
xmlns:parent="http://www.example.org/parent";>
<complexType name="car" abstract="false">
<complexContent>
<extension base="parent:vehicle">
<sequence>
<element name="color" type="string"></element>
</sequence>
</extension>
</complexContent>
</complexType>
</schema>
Using the attribute org.exolab.castor.builder.javaclassmapping=type the
generator create four classes: Root,Car,Vegicle,Travel.
The marshalling works fine, but I always got unmarshalling error using
"unable to find FieldDescriptor for 'myvehicle' in ClassDescriptor of
travel" even when using a mapping file.
I try first with Unmarshaller.unmarshal(Root.class, reader);
Then with
Mapping mapping = new Mapping();
mapping.loadMapping("mapping.xml");
Unmarshaller unmarshaller = new Unmarshaller(mapping);
where mapping.xml contains:
<?xml version="1.0" encoding="UTF-8"?>
<mapping>
<class name="com.example.castor.type.Root">
<map-to xml="root"/>
<field name="travel"
type="com.example.castor.type.Travel"
direct="false">
<bind-xml name="travel" node="element"/>
</field>
</class>
<class name="com.example.castor.type.Travel">
<map-to xml="travel"/>
<field name="myvehicle"
type="com.example.castor.type.Vehicle"
direct="false">
<bind-xml node="element" auto-naming="deriveByClass"/>
</field>
</class>
<class name="com.example.castor.type.Car">
<map-to xml="car"/>
</class>
<class name="com.example.castor.type.Vehicle">
<map-to xml="vehicle"/>
</class>
</mapping>
May be something is wrong in the mapping file, I have set it base on the
example in the documentation "XML Mapping, xsi-type".
public static void main(String[] args) {
try {
StringWriter writer = new StringWriter();
com.example.castor.type.Car car = new
com.example.castor.type.Car();
car.setColor("blue");
car.setName("titine");
Travel travel = new Travel();
travel.setMyvehicle(car);
Root root = new Root();
root.setTravel(travel);
root.marshal(writer);
String xml = writer.getBuffer().toString();
System.out.println(xml);
StringReader reader = new StringReader(xml);
Mapping mapping = new Mapping();
mapping.loadMapping("mapping.xml");
Unmarshaller unmarshaller = new Unmarshaller(mapping);
//Unmarshaller.unmarshal(Root.class, reader);
root = (Root)unmarshaller.unmarshal(reader);
} catch (Exception e) {
e.printStackTrace();
}
}
Please advice.
Sylvain
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