code: /* LanguageTool, a natural language style checker 
   * Copyright (C) 2007 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.tagging.xx;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.languagetool.AnalyzedToken;
  import org.languagetool.AnalyzedTokenReadings;
  import org.languagetool.tagging.Tagger;
  
  /**
   * A trivial tagger that does nothing than assign null
   * tags to words.
   * 
   * @author Daniel Naber
   */
  public class DemoTagger implements Tagger {
  
    @Override
    public List<AnalyzedTokenReadings> tag(List<String> sentenceTokens) {
      List<AnalyzedTokenReadings> tokenReadings = new ArrayList<>();
      for (String word : sentenceTokens) {
        List<AnalyzedToken> l = new ArrayList<>();
        // a real tagger would need to assign a POS tag
        // in the next line instead of null:
        l.add(new AnalyzedToken(word, null, null));
        tokenReadings.add(new AnalyzedTokenReadings(l, 0));
      }
      return tokenReadings;
    }
  
    @Override
    public AnalyzedTokenReadings createNullToken(String token, int startPos) {
      return new AnalyzedTokenReadings(new AnalyzedToken(token, null, null), startPos);
    }
  
    @Override
    public AnalyzedToken createToken(String token, String posTag) {
      return new AnalyzedToken(token, posTag, null);
    }
  
  }
  