spring MyControllerAdvice 源码

2022-08-12
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springboot MyControllerAdvice 代码

文件路径：/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/servlet/springmvc/errorhandling/MyControllerAdvice.java

/*
 * Copyright 2012-2021 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.boot.docs.web.servlet.springmvc.errorhandling;

import jakarta.servlet.RequestDispatcher;
import jakarta.servlet.http.HttpServletRequest;

import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;

@ControllerAdvice(basePackageClasses = SomeController.class)
public class MyControllerAdvice extends ResponseEntityExceptionHandler {

	@ResponseBody
	@ExceptionHandler(MyException.class)
	public ResponseEntity<?> handleControllerException(HttpServletRequest request, Throwable ex) {
		HttpStatus status = getStatus(request);
		return new ResponseEntity<>(new MyErrorBody(status.value(), ex.getMessage()), status);
	}

	private HttpStatus getStatus(HttpServletRequest request) {
		Integer code = (Integer) request.getAttribute(RequestDispatcher.ERROR_STATUS_CODE);
		HttpStatus status = HttpStatus.resolve(code);
		return (status != null) ? status : HttpStatus.INTERNAL_SERVER_ERROR;
	}

}

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所属分类： 后端技术
本文标签： Java Spring Spring Boot
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