How to use org.keycloak.adapters.tomcat

private AdapterTokenStore createSessionTokenStore(Request request, KeycloakDeployment resolvedDeployment) {
  AdapterTokenStore store;
  store = new CatalinaSessionTokenStore(request, resolvedDeployment, userSessionManagement, createPrincipalFactory(), this);
  return store;
}

protected Group[] getRoleSets(Collection<String> roleSet) {
  SimpleGroup roles = new SimpleGroup("Roles");
  Group[] roleSets = {roles};
  for (String role : roleSet) {
    roles.addMember(new SimplePrincipal(role));
  }
  return roleSets;
}

/**
 * Method called by Tomcat >= 8.5.5
 */
protected boolean doAuthenticate(Request request, HttpServletResponse response) throws IOException {
  return this.authenticate(request, response);
}

protected CatalinaRequestAuthenticator createRequestAuthenticator(Request request, CatalinaHttpFacade facade, KeycloakDeployment deployment, AdapterTokenStore tokenStore) {
  return new CatalinaRequestAuthenticator(deployment, tokenStore, facade, request, createPrincipalFactory());
}

  @Override
  protected AbstractAuthenticatedActionsValve createAuthenticatedActionsValve(AdapterDeploymentContext deploymentContext, Valve next, Container container) {
    return new AuthenticatedActionsValve(deploymentContext, next, container);
  }
}

  @Override
  public void logoutHttpSessions(List<String> ids) {
    delegate.logoutHttpSessions(sessionManager, ids);
  }
}

public void logout(Request request) {
  logoutInternal(request);
}

@Override
public boolean authenticate(Request request, Response response, LoginConfig config) throws java.io.IOException {
  return authenticateInternal(request, response, config);
}

  public boolean restoreRequest() {
    return valve.keycloakRestoreRequest(request);
  }
}

@Override
public void logoutAll() {
  delegate.logoutAll(sessionManager);
}

@Override
public void resetCookie(String name, String path) {
  setCookie(name, "", path, null, 0, false, false);
}

@Override
public void checkCurrentToken() {
  this.authenticatedPrincipal = checkPrincipalFromCookie();
}

protected Group[] getRoleSets(Collection<String> roleSet) {
  SimpleGroup roles = new SimpleGroup("Roles");
  Group[] roleSets = {roles};
  for (String role : roleSet) {
    roles.addMember(new SimplePrincipal(role));
  }
  return roleSets;
}

private AdapterTokenStore createSessionTokenStore(Request request, KeycloakDeployment resolvedDeployment) {
  AdapterTokenStore store;
  store = new CatalinaSessionTokenStore(request, resolvedDeployment, userSessionManagement, createPrincipalFactory(), this);
  return store;
}

protected CatalinaRequestAuthenticator createRequestAuthenticator(Request request, CatalinaHttpFacade facade, KeycloakDeployment deployment, AdapterTokenStore tokenStore) {
  return new CatalinaRequestAuthenticator(deployment, tokenStore, facade, request, createPrincipalFactory());
}

@Override
protected AbstractAuthenticatedActionsValve createAuthenticatedActionsValve(AdapterDeploymentContext deploymentContext, Valve next, Container container) {
  return new AuthenticatedActionsValve(deploymentContext, next, container);
}

  @Override
  public void logoutHttpSessions(List<String> ids) {
    delegate.logoutHttpSessions(sessionManager, ids);
  }
}

public void logout(Request request) throws ServletException {
  logoutInternal(request);
}

  public boolean restoreRequest() {
    return valve.keycloakRestoreRequest(request);
  }
}

@Override
public void logoutAll() {
  delegate.logoutAll(sessionManager);
}