code: /* LanguageTool, a natural language style checker 
   * Copyright (C) 2005 Daniel Naber (http://www.danielnaber.de)
   * 
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
   * USA
   */
  package org.languagetool.rules.patterns.bitext;
  
  import org.languagetool.rules.patterns.PatternRule;
  import org.xml.sax.helpers.DefaultHandler;
  
  import javax.xml.parsers.SAXParser;
  import javax.xml.parsers.SAXParserFactory;
  import java.io.IOException;
  import java.io.InputStream;
  import java.util.List;
  
  /**
   * Loads {@link PatternRule}s from an XML file.
   * 
   * @author Marcin Miłkowski
   */
  public class BitextPatternRuleLoader extends DefaultHandler {
  
    public final List<BitextPatternRule> getRules(InputStream is, String filename) throws IOException {
      List<BitextPatternRule> rules;
      try {
        BitextPatternRuleHandler handler = new BitextPatternRuleHandler();
        SAXParserFactory factory = SAXParserFactory.newInstance();
        SAXParser saxParser = factory.newSAXParser();
        saxParser.getXMLReader().setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
        saxParser.parse(is, handler);
        rules = handler.getBitextRules();
        return rules;
      } catch (Exception e) {
        throw new IOException("Cannot load or parse '" + filename + "'", e);
      }
    }
  
  }
  