spring HttpMediaTypeNotAcceptableException 源码
spring HttpMediaTypeNotAcceptableException 代码
文件路径：/spring-web/src/main/java/org/springframework/web/HttpMediaTypeNotAcceptableException.java
/*
* Copyright 2002-2022 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;
import java.util.List;
import java.util.stream.Collectors;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.HttpStatusCode;
import org.springframework.http.MediaType;
import org.springframework.util.CollectionUtils;
/**
* Exception thrown when the request handler cannot generate a response that is
* acceptable by the client.
*
* @author Arjen Poutsma
* @since 3.0
*/
@SuppressWarnings("serial")
public class HttpMediaTypeNotAcceptableException extends HttpMediaTypeException {
/**
* Constructor for when the {@code Accept} header cannot be parsed.
* @param message the parse error message
*/
public HttpMediaTypeNotAcceptableException(String message) {
super(message);
getBody().setDetail("Could not parse Accept header.");
}
/**
* Create a new HttpMediaTypeNotSupportedException.
* @param mediaTypes the list of supported media types
*/
public HttpMediaTypeNotAcceptableException(List<MediaType> mediaTypes) {
super("No acceptable representation", mediaTypes);
getBody().setDetail("Acceptable representations: " +
mediaTypes.stream().map(MediaType::toString).collect(Collectors.joining(", ", "'", "'")) + ".");
}
@Override
public HttpStatusCode getStatusCode() {
return HttpStatus.NOT_ACCEPTABLE;
}
@Override
public HttpHeaders getHeaders() {
if (CollectionUtils.isEmpty(getSupportedMediaTypes())) {
return HttpHeaders.EMPTY;
}
HttpHeaders headers = new HttpHeaders();
headers.setAccept(this.getSupportedMediaTypes());
return headers;
}
}
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