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 $Id: UserDAO.java,v 1.9 2002/11/22 20:57:48 brydon Exp $ */

package com.sun.j2ee.blueprints.signon.dao;

/**
 * This interface provides methods to view and modify sign on
 * information for a particular user.
 * All the data source access code will be encapsulated in 
 * the concrete implementations of this interface following the 
 * Data Access Object pattern.
 */
public interface UserDAO {

    public void createUser(String userName, String password) throws SignOnDAODupKeyException ;
    public boolean matchPassword(String userName, String password) 
                    throws SignOnDAOFinderException,InvalidPasswordException;

}