question: public static final String convertToText ( final String input , final boolean isXMLExtraction ) { final StringBuffer output_data ; if ( isXMLExtraction ) { final byte [ ] rawData = StringUtils . toBytes ( input ) ; final int length = rawData . length ; int ptr = 0 ; boolean inToken = false ; for ( int i = 0 ; i < length ; i ++ ) { if ( rawData [ i ] == '<' ) { inToken = true ; if ( rawData [ i + 1 ] == 'S' && rawData [ i + 2 ] == 'p' && rawData [ i + 3 ] == 'a' && rawData [ i + 4 ] == 'c' && rawData [ i + 5 ] == 'e' ) { rawData [ ptr ] = '\t' ; ptr ++ ; } } else if ( rawData [ i ] == '>' ) { inToken = false ; } else if ( ! inToken ) { rawData [ ptr ] = rawData [ i ] ; ptr ++ ; } } final byte [ ] cleanedString = new byte [ ptr ] ; System . arraycopy ( rawData , 0 , cleanedString , 0 , ptr ) ; output_data = new StringBuffer ( new String ( cleanedString ) ) ; } else { output_data = new StringBuffer ( input ) ; } return output_data . toString ( ) ; }
target:  Strip out XML tags and put in a tab (do not use on Chinese text)