question: protected final boolean init ( ) throws AdeException { boolean initialized ; final Properties prop = new Properties ( ) ; try ( FileInputStream fis = new FileInputStream ( propertiesFileName ) ) { prop . load ( fis ) ; initialized = true ; } catch ( FileNotFoundException e ) { throw new AdeExtUsageException ( "Properties file " + propertiesFileName + " not found." , e ) ; } catch ( IOException e ) { throw new AdeExtUsageException ( "Problem in reading properties file " + propertiesFileName + "." , e ) ; } catch ( Exception e ) { throw new AdeExtUsageException ( "Problem in processing properties file " + propertiesFileName + "." , e ) ; } return initialized ; }
target:  Initializes the DB configuration properties and diagnostics directory name for the exported DB files.