001/* 002 * Copyright 2002-2012 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.web.servlet; 018 019import javax.servlet.http.HttpServletRequest; 020 021/** 022 * Strategy interface for translating an incoming 023 * {@link javax.servlet.http.HttpServletRequest} into a 024 * logical view name when no view name is explicitly supplied. 025 * 026 * @author Rob Harrop 027 * @author Juergen Hoeller 028 * @since 2.0 029 */ 030public interface RequestToViewNameTranslator { 031 032 /** 033 * Translate the given {@link HttpServletRequest} into a view name. 034 * @param request the incoming {@link HttpServletRequest} providing 035 * the context from which a view name is to be resolved 036 * @return the view name (or {@code null} if no default found) 037 * @throws Exception if view name translation fails 038 */ 039 String getViewName(HttpServletRequest request) throws Exception; 040 041}