content: /*
   * © 2017 Matthias Bläsing <mblaesing@doppel-helix.eu>
   * 
   * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package jcifs.internal.util;
  
  
  /**
   * 
   */
  public final class StringUtil {
  
      /**
       * 
       */
      private StringUtil () {}
  
  
      /**
       * Implementation of {@link java.lang.String#join} backported for JDK7.
       * 
       * @param delimiter
       * @param elements
       * @return elements separated by delimiter
       */
      public static String join ( CharSequence delimiter, CharSequence... elements ) {
          StringBuilder sb = new StringBuilder();
          for ( CharSequence element : elements ) {
              if ( sb.length() > 0 ) {
                  if ( delimiter != null ) {
                      sb.append(delimiter);
                  }
                  else {
                      sb.append("null");
                  }
              }
              sb.append(element);
          }
          return sb.toString();
      }
  }
  