import io.undertow.security.impl.BasicAuthenticationMechanism; //导入依赖的package包/类
private static PipedHttpHandler getSecurityHandlerChain(final PipedHttpHandler next, AuthenticationMechanism authenticationMechanism, final IdentityManager identityManager, final AccessManager accessManager, final boolean challenging) {
    if (identityManager != null) {
        final List<AuthenticationMechanism> mechanisms = new ArrayList<>();

        if(authenticationMechanism != null){
        	mechanisms.add(authenticationMechanism);
        }
        
        mechanisms.add(new AuthTokenAuthenticationMechanism(RESTHEART_REALM));

        if (challenging) {
            mechanisms.add(new BasicAuthenticationMechanism(RESTHEART_REALM));
        } else {
            mechanisms.add(new SilentBasicAuthenticationMechanism(RESTHEART_REALM));
        }

        return buildSecurityHandlerChain(next, accessManager, identityManager, mechanisms);
    } else {
        return next;
    }
}
 

import io.undertow.security.impl.BasicAuthenticationMechanism; //导入依赖的package包/类
public LogoutHandler(final String realmName) {
    List<DigestAlgorithm> digestAlgorithms = Collections.singletonList(DigestAlgorithm.MD5);
    List<DigestQop> digestQops = Collections.emptyList();
    digestMechanism = new DigestAuthenticationMechanism(digestAlgorithms, digestQops, realmName, "/management",
            new SimpleNonceManager());
    fakeRealmdigestMechanism = new DigestAuthenticationMechanism(digestAlgorithms, digestQops, HIT_ESCAPE,
            "/management", new SimpleNonceManager());
    basicMechanism = new BasicAuthenticationMechanism(realmName);
    fakeRealmBasicMechanism = new BasicAuthenticationMechanism(HIT_ESCAPE);
}