package org.exoplatform.services.wcm.extensions.security;
   
   import java.security.MessageDigest;
   /**
    * Created by The eXo Platform MEA Author :
    * haikel.thamri@exoplatform.com
    */
   public class SHAMessageDigester {
       public static String getHash(String message) throws Exception {
    MessageDigest msgDigest = MessageDigest.getInstance("SHA-1");
    msgDigest.update(message.getBytes());
    byte[] aMessageDigest = msgDigest.digest();
    StringBuffer ticket = new StringBuffer();
    String tmp = null;
    for (int i = 0; i < aMessageDigest.length; i++) {
        tmp = Integer.toHexString(0xFF & aMessageDigest[i]);
        if (tmp.length() == 2) {
      ticket.append(tmp);
        } else {
      ticket.append("0");
      ticket.append(tmp);
        }
    }
    return ticket.toString();
      }
  
  }