Lloyd,
Once you have an element...you can easily get it's type by using the
reasonably named method called "getType".
XMLType type = elem.getType();
if (type != null) {
if (type.isSimpleType()) {
...
}
else if (type.isComplexType()) {
...
}
}
Using schema#getComplexTypes() will only return top-level complex types.
--Keith
Lloyd Rochester wrote:
>
> I am new to Castor and am trying to traverse a schema the following way
> (wrong I assume):
>
> SchemaReader reader = new SchemaReader(new
> FileReader("someSchema.xsd"),"someSchema.xsd");
> Schema schema = reader.read();
> Vector elementsV = new Vector(); /* a vector to put my ElementDecl's in */
>
> for (Enumeration e = schema.getElementDecls(); e.hasMoreElements();) {
> elementsV.add(e.nextElement());
> ElementDecl elem = (ElementDecl) elementsV.lastElement();
> System.out.println( "Element: " + elem.getName() );
>
> if(elem.getType().isComplexType()) {
> System.out.println( "\tType: Complex");
> ComplexType temp = schema.getComplexType(elem.getName());
> /* temp is always null */
> }
> else System.out.println( "\tType: Simple");
>
> if(elem.hasChildren()) System.out.println( "\tHas Children");
> else System.out.println( "\tHas no Children");
> }
> }
>
> I have read a response to a mail where Keith Visco instructed to use
> ComplexType#enumerate, although I cannot find out how to get the complex
> types the schema contains. Once I have the ElementDecl's I can find no
> way to return the ComplexType (if the ElementDecl has a ComplexType).
> All I would like to do is traverse the schema finding the complex types
> and their group definitions, atts, etc ....
>
> If I am to do:
> Enumeration e = schema.getComplexTypes()
>
> The enumeration is empty. I am stuck, can anyone instruct me on the
> proper methods to use to traverse a schema?
>
> Here is a very simple schema I have been using:
>
> <?xml version="1.0"?>
> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";>
> <xs:element name="person">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="full_name" type="xs:string"/>
> <xs:element name="nick_name" type="xs:string" maxOccurs="10" minOccurs="0"/>
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> </xs:schema>
>
> How can I traverse this and determine element person is a complex type,
> with a sequence of two elements named full_name, and nick_name that need
> strings?
>
> Thank you
>
> Lloyd
>
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