question: public final void openFallbackOutputStream ( ) throws DataFallbackException { if ( output == null ) { if ( LOG . isDebugEnabled ( ) ) LOG . debug ( "openOutputStream() : Opening the writer for the " + dataFile . getName ( ) + " file" ) ; try { output = new BufferedWriter ( new FileWriter ( dataFile , true ) ) ; } catch ( IOException e ) { throw new DataFallbackException ( e . getMessage ( ) ) ; } } }
target:  It opens a file output stream