TransformerExtensionPoint registry = new DefaultTransformerExtensionPoint(extensionPointRegistry);
registry.addTransformer(new String2SAX(), true);
registry.addTransformer(new SAX2DOMPipe(extensionPointRegistry), true);
registry.addTransformer(new Node2String(extensionPointRegistry), true);
registry.addTransformer(new Node2Writer(extensionPointRegistry), true);
mediator = new MediatorImpl(dataBindingRegistry, registry);
}