package fr.in2p3.jsaga.helpers;
   
   /* ***************************************************
    * *** Centre de Calcul de l'IN2P3 - Lyon (France) ***
    * ***             http://cc.in2p3.fr/             ***
    * ***************************************************
    * File:   Strings
    * Author: Sylvain Reynaud (sreynaud@in2p3.fr)
    * Date:   9 mars 2010
   * ***************************************************
   * Description:                                      */
  /**
   *
   */
  public class Strings {
      public static String substringBeforeFirst(String str, char separator) {
          int pos = str.indexOf(separator);
          if (pos > -1) {
              return str.substring(0, pos);
          } else {
              return str;
          }
      }
  
      public static String substringBeforeLast(String str, char separator) {
          int pos = str.lastIndexOf(separator);
          if (pos > -1) {
              return str.substring(0, pos);
          } else {
              return str;
          }
      }
  
      public static String substringAfterFirst(String str, char separator) {
          int pos = str.indexOf(separator);
          if (pos > -1) {
              return str.substring(pos+1);
          } else {
              return str;
          }
      }
  
      public static String substringAfterLast(String str, char separator) {
          int pos = str.lastIndexOf(separator);
          if (pos > -1) {
              return str.substring(pos+1);
          } else {
              return str;
          }
      }
  }