content: /*
   * Copyright (C) 2015 AChep@xda <artemchep@gmail.com>
   *
   * 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., 51 Franklin Street, Fifth Floor, Boston,
   * MA  02110-1301, USA.
   */
  package com.achep.base.utils;
  
  import androidx.annotation.NonNull;
  import androidx.annotation.Nullable;
  
  /**
   * Created by Artem on 16.03.14.
   */
  public class CsUtils {
  
      /**
       * Python-like joining strings!
       */
      @Nullable
      public static CharSequence join(@Nullable CharSequence divider, @NonNull CharSequence... array) {
          StringBuilder sb = new StringBuilder();
  
          boolean divide = false;
          for (CharSequence cs : array) {
              if (cs != null) {
                  if (divide && divider != null) {
                      sb.append(divider);
                  } else {
                      divide = true;
                  }
                  sb.append(cs);
              }
          }
  
          return sb.length() == 0 ? null : sb;
      }
  
  }
  