Util.java

/*
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This 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 software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package com.celements.photo.utilities;

public class Util {
  private static Util util = null;
  
  private Util(){}
  
  public static Util getUtil(){
    if(util == null){
      util = new Util();
    }
    
    return util;
  }
  
  public String hashToHex(String hash) {
    String hexHash = "";
    for(int i = 0; i < hash.length(); i++){
      String hex = Integer.toHexString((int)hash.charAt(i));
      if(hex.length() == 1){
        hex = "0" + hex;
      }
      hexHash = hexHash + hex;
    }
    return hexHash;
  }
}