* @return
* @throws EnMeExpcetion
*/
@Scope("singleton")
public @Bean(name = "indexerManager") IndexerManager indexerManager() throws EnMeExpcetion {
final IndexerManager indexerManager = new IndexerManager();
final java.util.List<String> list = new ArrayList<String>();
list.add("docx");
list.add("pdf");
list.add("xls");
list.add("txt");
indexerManager.setExtensionFilesAllowed(list);
return indexerManager;
}