documentProcessor = new ExtensibleURLArtifactProcessor(documentProcessors);
// Create Stax processors
DefaultStAXArtifactProcessorExtensionPoint staxProcessors = new DefaultStAXArtifactProcessorExtensionPoint(new DefaultModelFactoryExtensionPoint());
staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, XMLInputFactory.newInstance(), XMLOutputFactory.newInstance());
staxProcessors.addArtifactProcessor(new CompositeProcessor(new ContributionFactoryImpl(), factory, policyFactory, mapper, staxProcessor));
staxProcessors.addArtifactProcessor(new ComponentTypeProcessor(factory, policyFactory, staxProcessor));
staxProcessors.addArtifactProcessor(new ConstrainingTypeProcessor(factory, policyFactory, staxProcessor));
inputFactory = XMLInputFactory.newInstance();
documentProcessors.addArtifactProcessor(new CompositeDocumentProcessor(staxProcessor, inputFactory));