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.savedrequest; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * Null implementation of <tt>RequestCache</tt>. Typically used when creation of a session * is not desired. * * @author Luke Taylor * @since 3.0 */ public class NullRequestCache implements RequestCache { public SavedRequest getRequest(HttpServletRequest request, HttpServletResponse response) { return null; } public void removeRequest(HttpServletRequest request, HttpServletResponse response) { } public void saveRequest(HttpServletRequest request, HttpServletResponse response) { } public HttpServletRequest getMatchingRequest(HttpServletRequest request, HttpServletResponse response) { return null; } }