Java tutorial
/* * Copyright 2015 The original authors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.vaadin.spring.security.shared; import org.springframework.security.core.Authentication; import org.springframework.security.web.WebAttributes; import org.vaadin.spring.http.HttpService; import org.vaadin.spring.security.web.VaadinRedirectStrategy; import javax.servlet.http.HttpSession; /** * <tt>VaadinAuthenticationSuccessHandler</tt> which can be configured with a default URL which users should be * sent to upon successful authentication. * <p/> * The logic used is that of the {@link AbstractVaadinAuthenticationTargetUrlRequestHandler parent class}. * <p/> * Must be used as a bean because of autowiring within parent class. * * @author Luke Taylor (original source code of {@link org.springframework.security.web.authentication.AuthenticationSuccessHandler}) * @author Gert-Jan Timmer (gjr.timmer@gmail.com) (Vaadin specific implementation) * @author Petter Holmstrm (petter@vaadin.com) */ public class VaadinUrlAuthenticationSuccessHandler extends AbstractVaadinAuthenticationTargetUrlRequestHandler implements VaadinAuthenticationSuccessHandler { public VaadinUrlAuthenticationSuccessHandler(HttpService http, VaadinRedirectStrategy redirectStrategy, String defaultTargetUrl) { super(http, redirectStrategy); setDefaultTargetUrl(defaultTargetUrl); } @Override public void onAuthenticationSuccess(Authentication authentication) throws Exception { handle(authentication); clearAuthenticationAttributes(); } /** * Removes temporary authentication-related data which may have been stored in the session * during the authentication process. */ protected final void clearAuthenticationAttributes() { HttpSession session = http.getCurrentRequest().getSession(false); if (session == null) { return; } session.removeAttribute(WebAttributes.AUTHENTICATION_EXCEPTION); } }