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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.reader;
20  
21  import java.io.FileNotFoundException;
22  import java.io.IOException;
23  import java.io.PrintWriter;
24  import java.io.Reader;
25  
26  import javax.xml.parsers.ParserConfigurationException;
27  
28  import org.sat4j.csp.xml.CspXmlParser;
29  import org.sat4j.specs.ContradictionException;
30  import org.sat4j.specs.IProblem;
31  import org.sat4j.specs.ISolver;
32  import org.xml.sax.SAXException;
33  
34  public class XMLCSPReader extends org.sat4j.reader.Reader {
35  
36      private final CSPReader cspreader;
37  
38      public XMLCSPReader(ISolver solver) {
39          cspreader = new CSPSupportReader(solver);
40      }
41  
42      @Override
43      public String decode(int[] model) {
44          return cspreader.decode(model);
45      }
46  
47      @Override
48      public void decode(int[] model, PrintWriter out) {
49          cspreader.decode(model, out);
50      }
51  
52      /*
53       * (non-Javadoc)
54       * 
55       * @see org.sat4j.reader.Reader#parseInstance(java.lang.String)
56       */
57      @Override
58      public IProblem parseInstance(String filename)
59              throws FileNotFoundException, ParseFormatException, IOException,
60              ContradictionException {
61          try {
62              CspXmlParser.parse(cspreader, filename);
63          } catch (SAXException e) {
64              throw new ParseFormatException(e);
65          } catch (ParserConfigurationException e) {
66              throw new ParseFormatException(e);
67          }
68          return cspreader.getProblem();
69      }
70  
71      @Override
72      public IProblem parseInstance(Reader in) throws ParseFormatException,
73              ContradictionException, IOException {
74          throw new UnsupportedOperationException();
75      }
76  
77      /*
78       * (non-Javadoc)
79       * 
80       * @see org.sat4j.reader.Reader#setVerbosity(boolean)
81       */
82      @Override
83      public void setVerbosity(boolean b) {
84          super.setVerbosity(b);
85          cspreader.setVerbosity(b);
86      }
87  
88  }