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 

    27 public 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 }