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 26 27public class StringGenerator { 28 29 private IntGenerator ig; 30 private CharGenerator cg; 31 private int limit; 32 private int count = 0; 33 34 public StringGenerator(IntGenerator ig, CharGenerator cg, int limit) { 35 this.ig = ig; 36 this.cg = cg; 37 this.limit = limit; 38 } 39 40 public StringGenerator(IntGenerator ig, CharGenerator cg) { 41 this(ig, cg, -1); 42 } 43 44 public StringGenerator(IntGenerator ig, int limit) { 45 this(ig, new CharGenerator(ig), limit); 46 } 47 48 public StringGenerator(IntGenerator ig) { 49 this(ig, -1); 50 } 51 52 public StringGenerator(int limit) { 53 this(new IntGenerator(), limit); 54 } 55 56 public StringGenerator() { 57 this(new IntGenerator()); 58 } 59 60 public String next() { 61 if ((count >= limit) && (limit >= 0)) 62 return null; 63 64 int len = ig.next(80); 65 StringBuffer s = new StringBuffer(len); 66 67 for (int i = 0; i < len; i++) 68 s.append(cg.next()); 69 70 count++; 71 return s.toString(); 72 } 73} 74