content: /*
   *    This program is free software; you can redistribute it and/or modify
   *    it under the terms of the GNU General Public License as published by
   *    the Free Software Foundation; either version 2 of the License, or
   *    (at your option) any later version.
   *
   *    This program 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 General Public License for more details.
   *
   *    You should have received a copy of the GNU General Public License
   *    along with this program; if not, write to the Free Software
   *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   */
  
  /*
   * NullStemmer.java
   * Copyright (C) 2005 University of Waikato, Hamilton, New Zealand
   *
   */
  
  package weka.core.stemmers;
  
  import weka.core.RevisionUtils;
  
  /**
   <!-- globalinfo-start -->
   * A dummy stemmer that performs no stemming at all.
   * <p/>
   <!-- globalinfo-end -->
   * 
   * @author    FracPete (fracpete at waikato dot ac dot nz)
   * @version   $Revision: 5953 $
   */
  public class NullStemmer 
    implements Stemmer {
  
    /** for serialization */
    static final long serialVersionUID = -3671261636532625496L;
    
    /**
     * Returns a string describing the stemmer
     * @return a description suitable for
     *         displaying in the explorer/experimenter gui
     */
    public String globalInfo() {
      return 
          "A dummy stemmer that performs no stemming at all.";
    }
    
    /**
     * Returns the word as it is.
     *
     * @param word      the unstemmed word
     * @return          the unstemmed word, again
     */
    public String stem(String word) {
      return new String(word);
    }
  
    /**
     * returns a string representation of the stemmer
     * 
     * @return a string representation of the stemmer
     */
    public String toString() {
      return getClass().getName();
    }
    
    /**
     * Returns the revision string.
     * 
     * @return		the revision
     */
    public String getRevision() {
      return RevisionUtils.extract("$Revision: 5953 $");
    }
  
    /**
     * Runs the stemmer with the given options
     *
     * @param args      the options
     */
    public static void main(String[] args) {
      try {
        Stemming.useStemmer(new NullStemmer(), args);
      }
      catch (Exception e) {
        e.printStackTrace();
      }
    }
  }
  