[castor-dev] Castor 0.9.4.2 marshal produces malformed xml file with duplicated attributes

[Andreas M. Schmidt]

Hello,

I have problems with Castor's marshal function, which creates malformed xml
files with duplicated attributes. I'm using Castor Version 0.9.4.2.

I've created java classes with castors sourcebuilder by using the xml schema
below:

--- xml schema (test.xsd) begin ---
<?xml version="1.0" encoding="UTF-8"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema"; 
 targetNamespace="http://www.zusy.de/2002/XMLSchema"; 
 xmlns:zusy="http://www.zusy.de/2002/XMLSchema"; version="1.0.0"
elementFormDefault="qualified">

    <element name="ZusyMeldung">
        <complexType>
            <sequence>
                <element name="Daten">
                    <complexType>
                        <sequence>
                            <element name="Header" type="zusy:Type1"/>
                        </sequence>
                    </complexType>
                </element>
            </sequence>
        </complexType>
    </element>

    <complexType name="Type1">
        <complexContent>
            <restriction base="zusy:Type2">
                <attribute name="meGd" use="required" fixed="AZ01"
type="zusy:Type5"/>
            </restriction>
        </complexContent>
    </complexType>

    <complexType name="Type2">
        <complexContent>
            <extension base="zusy:Type3">
                <attribute name="anOrd" use="optional" type="zusy:Type4"/>
            </extension>
        </complexContent>
    </complexType>

    <complexType name="Type3">
        <attribute name="meGd" use="required" type="zusy:Type5"/>
    </complexType>

    <simpleType name="Type4">
        <restriction base="string">
            <maxLength value="35"/>
            <minLength value="1"/>
        </restriction>
    </simpleType>

    <simpleType name="Type5">
        <restriction base="string"></restriction>
    </simpleType>

</schema>
--- xml schema (test.xsd) end ---

I use the following java sourcecode to initialize the castor classes and to
create a xml output file (c:\out.xml):

--- java sourcecode begin ---
package castor.test;

import java.io.*;
import org.exolab.castor.xml.*;
import zusy.zusyaz01.*;

public class CastorTest {
 
 public CastorTest() {
  
  ZusyMeldung zusy = new ZusyMeldung();
  Daten daten = new Daten();
  Header header = new Header();

  daten.setHeader(header);
  header.setMeGd("AZ01");

  try {
   header.validate();
   zusy.setDaten(daten);
   
   FileWriter writer = new FileWriter("c:\\out.xml");
   Marshaller marshaller = new Marshaller(writer);
 
   marshaller.marshal(zusy);
   System.out.println("Success.");
        } catch (IOException e) {
            System.out.println("IOException: " + e.getLocalizedMessage());
        } catch (ValidationException e) {
            System.out.println("ValidationException: " +
e.getLocalizedMessage());
        } catch (MarshalException e) {
            System.out.println("MarshalException: " +
e.getLocalizedMessage());
  }
 }

 public static void main(String args[]) {
  CastorTest myApp = new CastorTest();
 }
}
--- java sourcecode end ---

the result of the marshal process was:

--- out.xml begin ---
<?xml version="1.0" encoding="UTF-8"?>
<ZusyMeldung xmlns="http://www.zusy.de/2002/XMLSchema";>
 <Daten>
  <Header meGd="AZ01" meGd="AZ01"/>
 </Daten>
</ZusyMeldung>
--- out.xml end ---

As you can see, the attribute meGd="AZ01" was duplicated and produces a
malformed xml file. Is there a way to solve this? I have simplified the xml
schema file to show the problem. Originally the xml schema files we use are
much more complex.

Thanks
Andreas M. Schmidt

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