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.
   */
  
  /*
   * SimpleStringTokenizer.java
   * Copyright (C) 2007 University of Waikato, Hamilton, New Zealand
   */
  
  package weka.core.tokenizers;
  
  import weka.core.RevisionUtils;
  
  import java.util.StringTokenizer;
  
  /**
   <!-- globalinfo-start -->
   * A simple tokenizer that is using the java.util.StringTokenizer class to tokenize the strings.
   * <p/>
   <!-- globalinfo-end -->
   * 
   <!-- options-start -->
   * Valid options are: <p/>
   * 
   * <pre> -delimiters &lt;value&gt;
   *  The delimiters to use
   *  (default ' \r\n\t.,;:'"()?!').</pre>
   * 
   <!-- options-end -->
   *
   * @author  FracPete (fracpete at waikato dot ac dot nz)
   * @version $Revision: 5953 $
   */
  public class WordTokenizer
    extends CharacterDelimitedTokenizer {
  
    /** for serialization */
    private static final long serialVersionUID = -930893034037880773L;
    
    /** the actual tokenizer */
    protected transient StringTokenizer m_Tokenizer;
    
    /**
     * Returns a string describing the stemmer
     * 
     * @return 		a description suitable for displaying in the 
     * 			explorer/experimenter gui
     */
    public String globalInfo() {
      return 
          "A simple tokenizer that is using the java.util.StringTokenizer "
        + "class to tokenize the strings.";
    }
  
    /**
     * Tests if this enumeration contains more elements.
     * 
     * @return 		true if and only if this enumeration object contains 
     * 			at least one more element to provide; false otherwise.
     */
    public boolean hasMoreElements() {
      return m_Tokenizer.hasMoreElements();
    }
  
    /**
     * Returns the next element of this enumeration if this enumeration object 
     * has at least one more element to provide.
     * 
     * @return		the next element of this enumeration.
     */
    public Object nextElement() {
      return m_Tokenizer.nextElement();
    }
    
    /**
     * Sets the string to tokenize. Tokenization happens immediately.
     * 
     * @param s		the string to tokenize
     */
    public void tokenize(String s) {
      m_Tokenizer = new StringTokenizer(s, getDelimiters());
    }
    
    /**
     * Returns the revision string.
     * 
     * @return		the revision
     */
    public String getRevision() {
      return RevisionUtils.extract("$Revision: 5953 $");
    }
  
    /**
     * Runs the tokenizer with the given options and strings to tokenize.
     * The tokens are printed to stdout.
     * 
     * @param args	the commandline options and strings to tokenize
     */
    public static void main(String[] args) {
      runTokenizer(new WordTokenizer(), args);
    }
  }
  
  