Java tutorial
/* * Copyright 2002-2016 the original author or 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 * * https://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.springframework.security.web.authentication; import java.io.IOException; import javax.servlet.FilterChain; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.security.core.Authentication; /** * Strategy used to handle a successful user authentication. * <p> * Implementations can do whatever they want but typical behaviour would be to control the * navigation to the subsequent destination (using a redirect or a forward). For example, * after a user has logged in by submitting a login form, the application needs to decide * where they should be redirected to afterwards (see * {@link AbstractAuthenticationProcessingFilter} and subclasses). Other logic may also be * included if required. * * @author Luke Taylor * @since 3.0 */ public interface AuthenticationSuccessHandler { /** * Called when a user has been successfully authenticated. * * @param request the request which caused the successful authentication * @param response the response * @param chain the {@link FilterChain} which can be used to proceed other filters in the chain * @param authentication the <tt>Authentication</tt> object which was created during * the authentication process. * @since 5.2.0 */ default void onAuthenticationSuccess(HttpServletRequest request, HttpServletResponse response, FilterChain chain, Authentication authentication) throws IOException, ServletException { onAuthenticationSuccess(request, response, authentication); chain.doFilter(request, response); } /** * Called when a user has been successfully authenticated. * * @param request the request which caused the successful authentication * @param response the response * @param authentication the <tt>Authentication</tt> object which was created during * the authentication process. */ void onAuthenticationSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) throws IOException, ServletException; }