import java.security.MessageDigest;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.ListIterator;
import java.util.Locale;
import java.util.Set;
import java.util.concurrent.Semaphore;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;

import javax.crypto.Cipher;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

                    }
                }
            }

            /*
             * If any of the above fail, isExists will not be set true
             */

            this.isExists = true;

        }
        catch ( UnknownHostException uhe ) {
            log.debug("Unknown host", uhe);
        }
        catch ( SmbException se ) {