| 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.solver; |
| 22 | |
| 23 | import net.sourceforge.pseudoq.model.Puzzle; |
| 24 | |
| 25 | /** |
| 26 | * Factory class for Solver instances. |
| 27 | * @author <a href="http://sourceforge.net/users/stevensa">Andrew Stevens</a> |
| 28 | */ |
| 29 | public class SolverFactory { |
| 30 | /** Prevent instantiation as all methods are static. */ |
| 31 | private SolverFactory() { |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * Create a new Solver instance for the specified puzzle. The actual |
| 36 | * implementation class returned will depend on the puzzle's type. |
| 37 | * @param puzzle The puzzle to be solved. |
| 38 | * @return An initialised solver, or null if the puzzle's type is unknown |
| 39 | * to the factory. |
| 40 | */ |
| 41 | public static Solver newInstance(Puzzle puzzle) { |
| 42 | Solver solver = null; |
| 43 | |
| 44 | switch (puzzle.getType()) { |
| 45 | case TINY: |
| 46 | solver = new TinySolver(puzzle); |
| 47 | break; |
| 48 | case MINI: |
| 49 | solver = new MiniSolver(puzzle); |
| 50 | break; |
| 51 | case MINI_X: |
| 52 | solver = new MiniXSolver(puzzle); |
| 53 | break; |
| 54 | case SMALL_X: |
| 55 | solver = new SmallXSolver(puzzle); |
| 56 | break; |
| 57 | case STANDARD: |
| 58 | solver = new StandardSolver(puzzle); |
| 59 | break; |
| 60 | case SUPER: |
| 61 | solver = new SuperSolver(puzzle); |
| 62 | break; |
| 63 | case LARGE: |
| 64 | solver = new LargeSolver(puzzle); |
| 65 | break; |
| 66 | case STANDARD_SAMURAI: |
| 67 | solver = new SamuraiSolver(puzzle); |
| 68 | break; |
| 69 | default: |
| 70 | // return null |
| 71 | break; |
| 72 | } |
| 73 | |
| 74 | return solver; |
| 75 | } |
| 76 | |
| 77 | } |