org.springframework.web.server.NotAcceptableStatusException Maven / Gradle / Ivy
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/*
* 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.server;
import java.util.Collections;
import java.util.List;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.util.CollectionUtils;
import org.springframework.web.ErrorResponse;
/**
* Exception for errors that fit response status 406 (not acceptable).
*
* @author Rossen Stoyanchev
* @since 5.0
*/
@SuppressWarnings("serial")
public class NotAcceptableStatusException extends ResponseStatusException {
private static final String PARSE_ERROR_DETAIL_CODE =
ErrorResponse.getDefaultDetailMessageCode(NotAcceptableStatusException.class, "parseError");
private final List supportedMediaTypes;
/**
* Constructor for when the requested Content-Type is invalid.
*/
public NotAcceptableStatusException(String reason) {
super(HttpStatus.NOT_ACCEPTABLE, reason, null, PARSE_ERROR_DETAIL_CODE, null);
this.supportedMediaTypes = Collections.emptyList();
setDetail("Could not parse Accept header.");
}
/**
* Constructor for when the requested Content-Type is not supported.
*/
public NotAcceptableStatusException(List mediaTypes) {
super(HttpStatus.NOT_ACCEPTABLE,
"Could not find acceptable representation", null, null, new Object[] {mediaTypes});
this.supportedMediaTypes = Collections.unmodifiableList(mediaTypes);
setDetail("Acceptable representations: " + mediaTypes + ".");
}
/**
* Return HttpHeaders with an "Accept" header that documents the supported
* media types, if available, or an empty instance otherwise.
*/
@Override
public HttpHeaders getHeaders() {
if (CollectionUtils.isEmpty(this.supportedMediaTypes)) {
return HttpHeaders.EMPTY;
}
HttpHeaders headers = new HttpHeaders();
headers.setAccept(this.supportedMediaTypes);
return headers;
}
/**
* Delegates to {@link #getHeaders()}.
* @since 5.1.13
* @deprecated as of 6.0 in favor of {@link #getHeaders()}
*/
@Deprecated(since = "6.0")
@Override
public HttpHeaders getResponseHeaders() {
return getHeaders();
}
/**
* Return the list of supported content types in cases when the Accept
* header is parsed but not supported, or an empty list otherwise.
*/
public List getSupportedMediaTypes() {
return this.supportedMediaTypes;
}
}