code: /* LanguageTool, a natural language style checker 
   * Copyright (C) 2010 Marcin Miłkowski (www.languagetool.org)
   * 
   * 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 java.io.IOException;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import javax.xml.parsers.ParserConfigurationException;
  
  import org.languagetool.JLanguageTool;
  import org.languagetool.Language;
  import org.languagetool.rules.patterns.AbstractPatternRule;
  import org.languagetool.rules.patterns.FalseFriendRuleLoader;
  import org.xml.sax.SAXException;
  
  /**
   * Loads the false friend rules as bitext pattern rules. Note that the resulting
   * rules have suggestions that are not really customizable, in contradistinction
   * to the 'real' bitext pattern rules.
   * 
   * @author Marcin Miłkowski
   */
  public class FalseFriendsAsBitextLoader {
  
    public List<BitextPatternRule> getFalseFriendsAsBitext(
            String filename, Language motherTongue,
            Language language) throws ParserConfigurationException,
            SAXException, IOException {
      FalseFriendRuleLoader ruleLoader = new FalseFriendRuleLoader(motherTongue);
      List<BitextPatternRule> bRules = new ArrayList<>();
      List<AbstractPatternRule> rules1 = ruleLoader.getRules(
              JLanguageTool.getDataBroker().getFromRulesDirAsStream(filename),
              motherTongue, language);
      List<AbstractPatternRule> rules2 = ruleLoader.getRules(
              JLanguageTool.getDataBroker().getFromRulesDirAsStream(filename),
              language, motherTongue);
      Map<String, AbstractPatternRule> srcRules = new HashMap<>();
      for (AbstractPatternRule rule : rules1) {
        srcRules.put(rule.getId(), rule);
      }
      for (AbstractPatternRule rule : rules2) {
        if (srcRules.containsKey(rule.getId())) {
          BitextPatternRule bRule = new BitextPatternRule(
                  srcRules.get(rule.getId()), rule);
          bRule.setSourceLanguage(motherTongue);
          bRule.setCategory(rule.getCategory());
          bRules.add(bRule);
        }
      }
      return bRules;
    }
  
  }
  