001/* 002 * Copyright 2002-2018 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.reactive.result.view; 018 019import java.util.Locale; 020 021import reactor.core.publisher.Mono; 022 023/** 024 * Contract to resolve a view name to a {@link View} instance. The view name may 025 * correspond to an HTML template or be generated dynamically. 026 * 027 * <p>The process of view resolution is driven through a ViewResolver-based 028 * {@code HandlerResultHandler} implementation called 029 * {@link ViewResolutionResultHandler 030 * ViewResolutionResultHandler}. 031 * 032 * @author Rossen Stoyanchev 033 * @since 5.0 034 * @see ViewResolutionResultHandler 035 */ 036public interface ViewResolver { 037 038 /** 039 * Resolve the view name to a View instance. 040 * @param viewName the name of the view to resolve 041 * @param locale the locale for the request 042 * @return the resolved view or an empty stream 043 */ 044 Mono<View> resolveViewName(String viewName, Locale locale); 045 046}