spring ModelAndViewDefiningException 源码
spring ModelAndViewDefiningException 代码
文件路径：/spring-webmvc/src/main/java/org/springframework/web/servlet/ModelAndViewDefiningException.java
/*
* Copyright 2002-2018 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.ServletException;
import org.springframework.util.Assert;
/**
* Exception to be thrown on error conditions that should forward
* to a specific view with a specific model.
*
* <p>Can be thrown at any time during handler processing.
* This includes any template methods of pre-built controllers.
* For example, a form controller might abort to a specific error page
* if certain parameters do not allow to proceed with the normal workflow.
*
* @author Juergen Hoeller
* @since 22.11.2003
*/
@SuppressWarnings("serial")
public class ModelAndViewDefiningException extends ServletException {
private final ModelAndView modelAndView;
/**
* Create new ModelAndViewDefiningException with the given ModelAndView,
* typically representing a specific error page.
* @param modelAndView the ModelAndView with view to forward to and model to expose
*/
public ModelAndViewDefiningException(ModelAndView modelAndView) {
Assert.notNull(modelAndView, "ModelAndView must not be null in ModelAndViewDefiningException");
this.modelAndView = modelAndView;
}
/**
* Return the ModelAndView that this exception contains for forwarding to.
*/
public ModelAndView getModelAndView() {
return this.modelAndView;
}
}
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