1 | /* |
2 | * Copyright (c) 2005 The PseudoQ Project. |
3 | * |
4 | * This file is part of PseudoQ. |
5 | * |
6 | * PseudoQ is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU Lesser General Public License as published by |
8 | * the Free Software Foundation; either version 2.1 of the License, or |
9 | * (at your option) any later version. |
10 | * |
11 | * PseudoQ is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU Lesser General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU Lesser General Public License |
17 | * along with PseudoQ; if not, write to the Free Software |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
19 | */ |
20 | |
21 | package net.sourceforge.pseudoq.generation; |
22 | |
23 | import net.sourceforge.pseudoq.model.PuzzleTypeEnum; |
24 | |
25 | /** |
26 | * Factory class for Generator instances. |
27 | * @author <a href="http://sourceforge.net/users/stevensa">Andrew Stevens</a> |
28 | */ |
29 | public class GeneratorFactory { |
30 | /** Prevent instantiation as all methods are static. */ |
31 | private GeneratorFactory() { |
32 | } |
33 | |
34 | /** |
35 | * Create a new Generator instance for the specified puzzle type. The |
36 | * actual implementation class returned will depend on the type. |
37 | * @param type The puzzle type. |
38 | * @param style Generation style enum value. |
39 | * @param difficulty Desired puzzle difficulty. |
40 | * @return An initialised generator, or null if the puzzle type is unknown |
41 | * to the factory. |
42 | */ |
43 | public static Generator newInstance(PuzzleTypeEnum type, |
44 | GenerationStyleEnum style, int difficulty) { |
45 | Generator generator = null; |
46 | |
47 | if (type == null) { |
48 | throw new IllegalArgumentException("No puzzle type supplied"); |
49 | } |
50 | |
51 | switch (type) { |
52 | case TINY: |
53 | generator = new TinyGenerator(new SequentialGridFiller()); |
54 | break; |
55 | case MINI: |
56 | generator = new MiniGenerator(new SequentialGridFiller()); |
57 | break; |
58 | case MINI_X: |
59 | generator = new MiniXGenerator(new SequentialGridFiller()); |
60 | break; |
61 | case SMALL_X: |
62 | generator = new SmallXGenerator(new SequentialGridFiller()); |
63 | break; |
64 | case STANDARD: |
65 | generator = new StandardGenerator(new SequentialGridFiller()); |
66 | break; |
67 | case SUPER: |
68 | generator = new SuperGenerator(new SequentialGridFiller()); |
69 | break; |
70 | case LARGE: |
71 | generator = new LargeGenerator(new SequentialGridFiller()); |
72 | break; |
73 | case STANDARD_SAMURAI: |
74 | generator = new SamuraiGenerator(new SamuraiGridFiller(new SequentialGridFiller())); |
75 | break; |
76 | default: |
77 | assert false : "Should have covered all possibilities"; |
78 | // return null |
79 | break; |
80 | } |
81 | |
82 | return generator; |
83 | } |
84 | |
85 | } |