Returns <tt>true</tt> if this realm wishes to authenticate the Subject represented by the given
{@link hunt.shiro.authc.AuthenticationToken AuthenticationToken} instance, <tt>false</tt> otherwise.
<p>If this method returns <tt>false</tt>, it will not be called to authenticate the Subject represented by
the token - more specifically, a <tt>false</tt> return value means this Realm instance's
{@link #getAuthenticationInfo} method will not be invoked for that token.
@param token the AuthenticationToken submitted for the authentication attempt
@return <tt>true</tt> if this realm can/will authenticate Subjects represented by specified token,
<tt>false</tt> otherwise.
Returns <tt>true</tt> if this realm wishes to authenticate the Subject represented by the given {@link hunt.shiro.authc.AuthenticationToken AuthenticationToken} instance, <tt>false</tt> otherwise.
<p>If this method returns <tt>false</tt>, it will not be called to authenticate the Subject represented by the token - more specifically, a <tt>false</tt> return value means this Realm instance's {@link #getAuthenticationInfo} method will not be invoked for that token.
@param token the AuthenticationToken submitted for the authentication attempt @return <tt>true</tt> if this realm can/will authenticate Subjects represented by specified token, <tt>false</tt> otherwise.