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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  }