1/* 2 * Copyright (c) 1997, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/**/ 25 26import java.io.*; 27 28 29public class CharGenerator { 30 31 private IntGenerator r; 32 int min = 0, max = 0xffff; 33 34 public CharGenerator(IntGenerator r) { 35 this.r = r; 36 } 37 38 public CharGenerator(IntGenerator r, int min, int max) { 39 this.r = r; 40 this.min = min; 41 this.max = max; 42 } 43 44 public char next() { 45 char c; 46 do 47 c = (char) (r.next(max - min) + min); 48 while ((c == '\r') || (c == '\n') 49 || ((c >= 0xd800) && (c <= 0xdfff)) 50 || (c == 0xfffe)); 51 return c; 52 } 53} 54