/**

  * 

  */

 package net.sf.statcvs.util;

 import java.util.ArrayList;

 import java.util.Collections;

 import java.util.List;

 import java.util.StringTokenizer;

 /**

  * @author xhensevalb

  *

  */

 public final class StringUtils {

     private StringUtils() {

     }

     /**

      * @return true if txt !=null and not empty.

      */

     public static boolean isNotEmpty(final String txt) {

         return txt != null && txt.trim().length() > 0;

     }

     /**

      * helper method to convert a 'delimiter' separated string to a list.

      * 

      * @param str

      *            the 'delimiter' separated string

      * @param delimiter

      *            typically a ','

      * @return a list

      */

     public static List listify(final String str, final String delimiter) {

         if (str == null) {

             return Collections.EMPTY_LIST;

         }

         final StringTokenizer tok = new StringTokenizer(str, delimiter);

         final List list = new ArrayList();

         while (tok.hasMoreElements()) {

             list.add(StringUtils.trim(tok.nextToken()));

         }

         return list;

     }

     public static String trim(String tok) {

         return tok != null ? tok.trim() : null;

     }

 }