code: /* LanguageTool, a natural language style checker
   * Copyright (C) 2016 Marcin Miłkowski (http://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.pl;
  
  import com.hankcs.algorithm.AhoCorasickDoubleArrayTrie;
  import org.languagetool.rules.AbstractDashRule;
  
  import java.util.ResourceBundle;
  
  /**
   * Check for compounds written with dashes instead of hyphens (for example, Rabka — Zdrój).
   * @since 3.6
   */
  public class DashRule extends AbstractDashRule {
  
    private static volatile AhoCorasickDoubleArrayTrie<String> trie;
  
    public DashRule(ResourceBundle messages) {
      super(messages);
    }
  
    @Override
    public String getDescription() {
      return "Sprawdza, czy wyrazy pisane z łącznikiem zapisano z myślnikami (np. „Lądek — Zdrój” zamiast „Lądek-Zdrój”).";
    }
  
    @Override
    public String getMessage() {
      return "Błędne użycie myślnika zamiast łącznika.";
    }
  
    @Override
    protected AhoCorasickDoubleArrayTrie<String> getCompoundsData() {
      AhoCorasickDoubleArrayTrie<String> data = trie;
      if (data == null) {
        synchronized (DashRule.class) {
          data = trie;
          if (data == null) {
            trie = data = loadCompoundFile("/pl/compounds.txt");
          }
        }
      }
  
      return data;
    }
  
  }
  