Here you can find the source of ByteToSafeChar(byte _bt)
public static char ByteToSafeChar(byte _bt)
//package com.java2s; /*// www. j a v a 2s . c o m KeePass Password Safe - The Open-Source Password Manager Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ public class Main { public static char ByteToSafeChar(byte _bt) { final char chDefault = '.'; int bt = _bt & 0xff; // 00-1F are C0 control chars if (bt < 0x20) return chDefault; // 20-7F are basic Latin; 7F is DEL if (bt < 0x7F) return (char) bt; // 80-9F are C1 control chars if (bt < 0xA0) return chDefault; // A0-FF are Latin-1 supplement; AD is soft hyphen if (bt == 0xAD) return '-'; return (char) bt; } }