1 /*
2 * SAT4J: a SATisfiability library for Java Copyright (C) 2004-2006 Daniel Le Berre
3 *
4 * Based on the original minisat specification from:
5 *
6 * An extensible SAT solver. Niklas E?n and Niklas S?rensson. Proceedings of the
7 * Sixth International Conference on Theory and Applications of Satisfiability
8 * Testing, LNCS 2919, pp 502-518, 2003.
9 *
10 * This library is free software; you can redistribute it and/or modify it under
11 * the terms of the GNU Lesser General Public License as published by the Free
12 * Software Foundation; either version 2.1 of the License, or (at your option)
13 * any later version.
14 *
15 * This library is distributed in the hope that it will be useful, but WITHOUT
16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
18 * details.
19 *
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this library; if not, write to the Free Software Foundation, Inc.,
22 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25 package org.sat4j.reader;
26
27 import java.io.FileNotFoundException;
28 import java.io.IOException;
29 import java.io.PrintWriter;
30 import java.io.Reader;
31
32 import javax.xml.parsers.ParserConfigurationException;
33
34 import org.sat4j.csp.xml.CspXmlParser;
35 import org.sat4j.specs.ContradictionException;
36 import org.sat4j.specs.IProblem;
37 import org.sat4j.specs.ISolver;
38 import org.xml.sax.SAXException;
39
40 public class XMLCSPReader extends org.sat4j.reader.Reader {
41
42 private final CSPReader cspreader;
43
44 public XMLCSPReader(ISolver solver) {
45 cspreader = new CSPSupportReader(solver);
46 }
47
48 @Override
49 public String decode(int[] model) {
50 return cspreader.decode(model);
51 }
52
53 @Override
54 public void decode(int[] model, PrintWriter out) {
55 cspreader.decode(model, out);
56 }
57
58 /*
59 * (non-Javadoc)
60 *
61 * @see org.sat4j.reader.Reader#parseInstance(java.lang.String)
62 */
63 @Override
64 public IProblem parseInstance(String filename)
65 throws FileNotFoundException, ParseFormatException, IOException,
66 ContradictionException {
67 try {
68 CspXmlParser.parse(cspreader, filename);
69 } catch (SAXException e) {
70 throw new ParseFormatException(e);
71 } catch (ParserConfigurationException e) {
72 throw new ParseFormatException(e);
73 }
74 return cspreader.getProblem();
75 }
76
77 @Override
78 public IProblem parseInstance(Reader in) throws ParseFormatException,
79 ContradictionException, IOException {
80 throw new UnsupportedOperationException();
81 }
82
83 /*
84 * (non-Javadoc)
85 *
86 * @see org.sat4j.reader.Reader#setVerbosity(boolean)
87 */
88 @Override
89 public void setVerbosity(boolean b) {
90 super.setVerbosity(b);
91 cspreader.setVerbosity(b);
92 }
93
94 }