code: @Override
  	public void init() {
  		RepositoryConfigurationExtension extension = new SimpleDbRepositoryConfigExtension();
  		RepositoryBeanDefinitionParser repositoryBeanDefinitionParser = new RepositoryBeanDefinitionParser(extension);
  
  		registerBeanDefinitionParser("repositories", repositoryBeanDefinitionParser);
  	}
docs: /*
  (non-Javadoc)
  
  @see org.springframework.beans.factory.xml.NamespaceHandler#init()