spring RequestToViewNameTranslator 源码
spring RequestToViewNameTranslator 代码
文件路径：/spring-webmvc/src/main/java/org/springframework/web/servlet/RequestToViewNameTranslator.java
/*
* Copyright 2002-2017 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.web.servlet;
import jakarta.servlet.http.HttpServletRequest;
import org.springframework.lang.Nullable;
/**
* Strategy interface for translating an incoming
* {@link jakarta.servlet.http.HttpServletRequest} into a
* logical view name when no view name is explicitly supplied.
*
* @author Rob Harrop
* @author Juergen Hoeller
* @since 2.0
*/
public interface RequestToViewNameTranslator {
/**
* Translate the given {@link HttpServletRequest} into a view name.
* @param request the incoming {@link HttpServletRequest} providing
* the context from which a view name is to be resolved
* @return the view name, or {@code null} if no default found
* @throws Exception if view name translation fails
*/
@Nullable
String getViewName(HttpServletRequest request) throws Exception;
}
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