Constructs a new UsernamePasswordToken encapsulating the username and password submitted
during an authentication attempt, with a <tt>null</tt> {@link #getHost() host} and a
<tt>rememberMe</tt> default of <tt>false</tt>.
@param username the username submitted for authentication
@param password the password character array submitted for authentication
Constructs a new UsernamePasswordToken encapsulating the username and password submitted during an authentication attempt, with a <tt>null</tt> {@link #getHost() host} and a <tt>rememberMe</tt> default of <tt>false</tt>.
@param username the username submitted for authentication @param password the password character array submitted for authentication