code: /* LanguageTool, a natural language style checker 
   * Copyright (C) 2012 Jaume Ortolà i Font
   * 
   * 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.ca;
  
  import org.languagetool.AnalyzedToken;
  import org.languagetool.AnalyzedTokenReadings;
  import org.languagetool.JLanguageTool;
  
  import java.io.InputStream;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Scanner;
  
  /**
   * Load data for {@link AccentuationCheckRule}.
   * @since 3.3
   */
  class ConfusionPairsDataLoader {
  
    private static final String FILE_ENCODING = "utf-8";
  
    Map<String, AnalyzedTokenReadings> loadWords(String path) {
      final Map<String, AnalyzedTokenReadings> map = new HashMap<>();
      final InputStream inputStream = JLanguageTool.getDataBroker().getFromRulesDirAsStream(path);
      try (Scanner scanner = new Scanner(inputStream, FILE_ENCODING)) {
        while (scanner.hasNextLine()) {
          final String line = scanner.nextLine().trim();
          if (line.isEmpty() || line.charAt(0) == '#') {  // ignore comments
            continue;
          }
          final String[] parts = line.split(";");
          if (parts.length != 3) {
            throw new RuntimeException("Format error in file " + path + ", line: "
                    + line + ", " + "expected 3 semicolon-separated parts, got "
                    + parts.length);
          }
          final AnalyzedToken analyzedToken = new AnalyzedToken(parts[1], parts[2], null);
          if (!map.containsKey(parts[0])) {
            map.put(parts[0], new AnalyzedTokenReadings(analyzedToken, 0));
          } else {
            AnalyzedTokenReadings atrs = map.get(parts[0]);
            atrs.addReading(analyzedToken, "");
            map.replace(parts[0], atrs);
          }
        }
      }
      return map;
    }
    
  }
  