/*******************************************************************************
   * SAT4J: a SATisfiability library for Java Copyright (C) 2004-2008 Daniel Le Berre
   *
   * All rights reserved. This program and the accompanying materials
   * are made available under the terms of the Eclipse Public License v1.0
   * which accompanies this distribution, and is available at
   * http://www.eclipse.org/legal/epl-v10.html
   *
   * Alternatively, the contents of this file may be used under the terms of
  * either the GNU Lesser General Public License Version 2.1 or later (the
  * "LGPL"), in which case the provisions of the LGPL are applicable instead
  * of those above. If you wish to allow use of your version of this file only
  * under the terms of the LGPL, and not to allow others to use your version of
  * this file under the terms of the EPL, indicate your decision by deleting
  * the provisions above and replace them with the notice and other provisions
  * required by the LGPL. If you do not delete the provisions above, a recipient
  * may use your version of this file under the terms of the EPL or the LGPL.
  *******************************************************************************/
  package org.sat4j.reader;
  
  import java.io.FileNotFoundException;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.PrintWriter;
  import java.io.Reader;
  
  import javax.xml.parsers.ParserConfigurationException;
  
  import org.sat4j.csp.xml.CspXmlParser;
  import org.sat4j.specs.ContradictionException;
  import org.sat4j.specs.IProblem;
  import org.sat4j.specs.ISolver;
  import org.xml.sax.SAXException;
  
  public class XMLCSPReader extends org.sat4j.reader.Reader {
  
      private final CSPReader cspreader;
  
      public XMLCSPReader(ISolver solver) {
          cspreader = new CSPSupportReader(solver);
      }
  
      @Override
      public String decode(int[] model) {
          return cspreader.decode(model);
      }
  
      @Override
      public void decode(int[] model, PrintWriter out) {
          cspreader.decode(model, out);
      }
  
      /*
       * (non-Javadoc)
       * 
       * @see org.sat4j.reader.Reader#parseInstance(java.lang.String)
       */
      @Override
      public IProblem parseInstance(String filename)
              throws FileNotFoundException, ParseFormatException, IOException,
              ContradictionException {
          try {
              CspXmlParser.parse(cspreader, filename);
          } catch (SAXException e) {
              throw new ParseFormatException(e);
          } catch (ParserConfigurationException e) {
              throw new ParseFormatException(e);
          }
          return cspreader.getProblem();
      }
  
      @Override
      public IProblem parseInstance(Reader in) throws ParseFormatException,
              ContradictionException, IOException {
          throw new UnsupportedOperationException();
      }
  
  	@Override
  	public IProblem parseInstance(final InputStream in)
  			throws ParseFormatException, ContradictionException, IOException {
  		return parseInstance(new InputStreamReader(in));
  	}
  	
      /*
       * (non-Javadoc)
       * 
       * @see org.sat4j.reader.Reader#setVerbosity(boolean)
       */
      @Override
      public void setVerbosity(boolean b) {
          super.setVerbosity(b);
          cspreader.setVerbosity(b);
      }
  
  }