return null;
}
private DataSourceHolder getDataSourceByDirectory(Class<?> daoClass, String catalog) {
String tempCatalog = catalog;
DataSourceHolder dataSource;
while (tempCatalog != null && tempCatalog.length() > 0) {
dataSource = getDataSourceByKey(daoClass, "jade.dataSource." + tempCatalog);
if (dataSource != null) {
return dataSource;
}