code: public String toUrl() {
  		StringBuffer buffer = new StringBuffer(DEFAULT_BUFFER_SIZE);
  
  		for (int i = names.size() - 1; i >= 0; i--) {
  			LdapRdn n = (LdapRdn) names.get(i);
  			buffer.append(n.encodeUrl());
  			if (i > 0) {
  				buffer.append(",");
  			}
  		}
  		return buffer.toString();
  	}
docs: Builds a complete LDAP path, ldap and url encoded. Separates only with
  ",".
  
  @return the LDAP path, for use in an url.