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1   /*******************************************************************************
2    * SAT4J: a SATisfiability library for Java Copyright (C) 2004-2008 Daniel Le Berre
3    *
4    * All rights reserved. This program and the accompanying materials
5    * are made available under the terms of the Eclipse Public License v1.0
6    * which accompanies this distribution, and is available at
7    * http://www.eclipse.org/legal/epl-v10.html
8    *
9    * Alternatively, the contents of this file may be used under the terms of
10   * either the GNU Lesser General Public License Version 2.1 or later (the
11   * "LGPL"), in which case the provisions of the LGPL are applicable instead
12   * of those above. If you wish to allow use of your version of this file only
13   * under the terms of the LGPL, and not to allow others to use your version of
14   * this file under the terms of the EPL, indicate your decision by deleting
15   * the provisions above and replace them with the notice and other provisions
16   * required by the LGPL. If you do not delete the provisions above, a recipient
17   * may use your version of this file under the terms of the EPL or the LGPL.
18   *******************************************************************************/
19  package org.sat4j.csp;
20  
21  import org.sat4j.AbstractLauncher;
22  import org.sat4j.reader.CSPExtSupportReader;
23  import org.sat4j.reader.Reader;
24  import org.sat4j.reader.XMLCSPReader;
25  import org.sat4j.specs.ISolver;
26  
27  public class CSPLauncher extends AbstractLauncher {
28  
29  	/**
30       * 
31       */
32  	private static final long serialVersionUID = 1L;
33  
34  	/*
35  	 * (non-Javadoc)
36  	 * 
37  	 * @see org.sat4j.Lanceur#configureSolver(java.lang.String[])
38  	 */
39  	@Override
40  	protected ISolver configureSolver(String[] args) {
41  		ISolver asolver;
42  		if (args.length == 2) {
43  			asolver = SolverFactory.instance().createSolverByName(args[0]);
44  		} else {
45  			asolver = SolverFactory.newDefault();
46  		}
47  		log(asolver.toString(COMMENT_PREFIX));
48  		return asolver;
49  	}
50  
51  	
52  	
53  	/*
54  	 * (non-Javadoc)
55  	 * 
56  	 * @see org.sat4j.Lanceur#createReader(org.sat4j.specs.ISolver)
57  	 */
58  	@Override
59  	protected Reader createReader(final ISolver aSolver,
60  			final String problemname) {
61  		Reader aReader;
62  		boolean allDiffCards = System.getProperty("allDiffCards") != null;
63  		if (problemname.endsWith(".txt")) {
64  			aReader = new CSPExtSupportReader(aSolver, allDiffCards);
65  		} else {
66  			assert problemname.endsWith(".xml");
67  			aReader = new XMLCSPReader(aSolver, allDiffCards);
68  		}
69  		if (System.getProperty("verbose") != null) {
70  			log("verbose mode on");
71  			aReader.setVerbosity(true);
72  			aSolver.setVerbose(true);
73  		} else {
74  			aSolver.setVerbose(false);
75  		}
76  		return aReader;
77  	}
78  
79  	public static void main(String[] args) {
80  		AbstractLauncher lanceur = new CSPLauncher();
81  		if (args.length > 2 || args.length == 0) {
82  			lanceur.usage();
83  			return;
84  		}
85  		try {
86  			lanceur.run(args);
87  		} catch (IllegalArgumentException e) {
88  			lanceur.log(">>>> " + e.getMessage() + " <<<<");
89  		}
90  	}
91  
92  	@Override
93  	public void displayLicense() {
94  		super.displayLicense();
95  		log("That software uses the Rhino library from the Mozilla project.");
96  	}
97  
98  	@Override
99  	public void usage() {
100 		System.out.println("Please provide a CSP instance file!"); //$NON-NLS-1$
101 	}
102 
103 	@Override
104 	protected String getInstanceName(String[] args) {
105 		if (args.length == 1)
106 			return args[0];
107 		return args[1];
108 	}
109 }