1 | /* This file is part of the project "Hilbert II" - http://www.qedeq.org |
2 | * |
3 | * Copyright 2000-2014, Michael Meyling <mime@qedeq.org>. |
4 | * |
5 | * "Hilbert II" is free software; you can redistribute |
6 | * it and/or modify it under the terms of the GNU General Public |
7 | * License as published by the Free Software Foundation; either |
8 | * version 2 of the License, or (at your option) any later version. |
9 | * |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * GNU General Public License for more details. |
14 | */ |
15 | |
16 | package org.qedeq.kernel.bo.logic; |
17 | |
18 | import org.qedeq.base.io.Version; |
19 | import org.qedeq.kernel.bo.logic.proof.checker.ProofChecker0Impl; |
20 | import org.qedeq.kernel.bo.logic.proof.checker.ProofChecker1Impl; |
21 | import org.qedeq.kernel.bo.logic.proof.checker.ProofChecker2Impl; |
22 | import org.qedeq.kernel.bo.logic.proof.common.ProofChecker; |
23 | import org.qedeq.kernel.bo.logic.proof.common.ProofCheckerFactory; |
24 | |
25 | |
26 | |
27 | /** |
28 | * Factory implementation for {@link ProofChecker}s. |
29 | * |
30 | * @author Michael Meyling |
31 | */ |
32 | public class ProofCheckerFactoryImpl implements ProofCheckerFactory { |
33 | |
34 | public boolean isRuleVersionSupported(final String ruleVersion) { |
35 | try { |
36 | new Version(ruleVersion); |
37 | } catch (RuntimeException e) { |
38 | return false; |
39 | } |
40 | if ("0.00.00".equals(ruleVersion)) { |
41 | return true; |
42 | } else if ("0.01.00".equals(ruleVersion)) { |
43 | return true; |
44 | } else if ("0.02.00".equals(ruleVersion)) { |
45 | return true; |
46 | } |
47 | return false; |
48 | } |
49 | |
50 | public ProofChecker createProofChecker(final Version ruleVersion) { |
51 | if (ruleVersion.equals("0.00.00")) { |
52 | return new ProofChecker0Impl(); |
53 | } else if (ruleVersion.equals("0.01.00")) { |
54 | return new ProofChecker1Impl(); |
55 | } else if (ruleVersion.equals("0.02.00")) { |
56 | return new ProofChecker2Impl(); |
57 | } |
58 | // not found, so we take the best one we have |
59 | return new ProofChecker2Impl(); |
60 | } |
61 | |
62 | |
63 | } |