private int getLogFileIndex(String fileName) {
		int fileIndex = 0;
		try {
			fileIndex = Integer.parseInt(fileName.substring(fileName
					.lastIndexOf(COUNT_SEPARATOR) + 1));
		} catch (NumberFormatException e) {
			e.printStackTrace();
		}
		return fileIndex;
	}
private int getLogFileIndex ( String fileName ) { int fileIndex = 0 ; try { fileIndex = Integer . parseInt ( fileName . substring ( fileName . lastIndexOf ( COUNT_SEPARATOR ) + 1 ) ) ; } catch ( NumberFormatException e ) { e . printStackTrace ( ) ; } return fileIndex ; }
Get the log file index from the composed log file name.

@param fileName
Log file name with index appended
@return Log file index