| 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 | } |