[castor-user] [castor-user]problem with unmarshalling of xsi:type of xml

Tue, 23 Nov 2004 06:57:14 -0800

Hi ,

I got one example which is provided url:

http://project.exolab.org/cgi-bin/viewcvs.cgi/castor/src/tests/RegressionTestSuite/xml/sourcegenerator/xsi-type/?cvsroot=castor

I think this would solve my problem which is posted earier unable to instatiate news object

When i try to unmarshall this input1.xml file i am getting
java.lang.IllegalStateException: java.lang.ClassCastException: com.emp.NodeA

root.xsd:

Code:
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
            targetNamespace="http://testspace"
            elementFormDefault="qualified"
            version="1.0">


   <xs:complexType name="Root">
     <xs:sequence>
       <xs:element name="node" type="AbstractNode" minOccurs="1" maxOccurs="unbounded"/>
     </xs:sequence>
   </xs:complexType>

   <xs:complexType name="AbstractNode" abstract="true">
     <xs:attribute name="id" type="xs:int" />
   </xs:complexType>

   <xs:element name="NodeA">
     <xs:complexType>
     <xs:complexContent>
       <xs:extension base="AbstractNode">
         <xs:attribute name="typeAAttrib" type="xs:string" />
       </xs:extension>
     </xs:complexContent>
     </xs:complexType>
    </xs:element>

   <xs:element name="NodeB">
     <xs:complexType>
     <xs:complexContent>
       <xs:extension base="AbstractNode">
         <xs:attribute name="typeBAttrib" type="xs:string" />
       </xs:extension>
     </xs:complexContent>
     </xs:complexType>
   </xs:element>

</xs:schema>


roots.xml

Code:
<tst:root    xmlns:tst="http://testspace"
              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

     <tst:node id="1" typeAAttrib="an attribute" xsi:type="tst:NodeA"/>
     <tst:node id="2" typeBAttrib="another attribute" xsi:type="tst:NodeB" />

</tst:root>


This java file is using to unmarshall this xsi:type

Code:
public class H3GNews implements PropertyChangeListener {


    public void propertyChange(PropertyChangeEvent event) {
        System.out.println("PropertyChange: " + event.getPropertyName());
    } //-- propertyChange

    public static void main(String[] args) {
   try {


       System.out.println("Unmarshalling Invoice");

       Root  root = null;
       System.out.println("Unmarshalling Invoice1111");
       FileReader reader=new FileReader("roots.xml");

       root = (Root)Root.unmarshal(reader);
         /***
         * Get the FeedMetaData Information
         */




    } catch (Exception e) {
       e.printStackTrace();
   }

    }

}


Castor properties file

Code:
org.exolab.castor.builder.javaclassmapping=type
#org.exolab.castor.builder.javaclassmapping=element
org.exolab.castor.validation=true
org.exolab.castor.indent=false
org.exolab.castor.debug=true


I am using castor-0.9.5.4.jar file. Could you please tell me how to unmarshall the above xml file.
 
Thanks & Regards
sudhakar goud.T


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