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.
   */
  
  /*
   *    PMMLUtils.java
   *    Copyright (C) 2008 University of Waikato, Hamilton, New Zealand
   *
   */
  
  package weka.core.pmml;
  
  /**
   * Utility routines.
   * 
   * @author Mark Hall (mhall{[at]}pentaho{[dot]}com)
   * @version $Revision: 5987 $
   */
  public class PMMLUtils {
  
    /**
     * Utility method to left or right pad strings with arbitrary characters.
     * 
     * @param source the source string
     * @param padChar the character to pad with
     * @param length the length of the resulting string
     * @param leftPad pad to the left instead of the right
     * @return a padded string
     */
    public static String pad(String source, String padChar, 
                              int length, boolean leftPad) {
      StringBuffer temp = new StringBuffer();
  
      if (leftPad) {
        for (int i = 0; i< length; i++) {
          temp.append(padChar);
        }
        temp.append(source);
      } else {
        temp.append(source);
        for (int i = 0; i< length; i++) {
          temp.append(padChar);
        }
      }
      return temp.toString();
    }
  }
  