EDIT

import org.springframework.core.io.FileSystemResource;

import org.springframework.stereotype.Component;

@Component

public class DataSourceBeanLoader {

    private static final Logger logger = Logger.getLogger(DataSourceBeanLoader.class);

    private static final String DATASOURCE_BEANDEF_FILE = "datasources.xml";

    private static String userdefinedBeanDefinitionFile = null;

            T datasource = beanFactory.getBean(beanName, requiredType);

            dataSources.put(beanName, datasource);

        }

    }

}