/*
* Copyright 2002-2016 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
*
* http://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.reactive.accept;
import java.util.List;
import org.springframework.http.MediaType;
import org.springframework.web.server.NotAcceptableStatusException;
import org.springframework.web.server.ServerWebExchange;
/**
* Strategy for resolving the requested media types for a
* {@code ServerWebExchange}.
*
* @author Rossen Stoyanchev
* @since 5.0
*/
public interface RequestedContentTypeResolver {
/**
* Resolve the given request to a list of requested media types. The returned
* list is ordered by specificity first and by quality parameter second.
*
* @param exchange the current exchange
* @return the requested media types or an empty list
*
* @throws NotAcceptableStatusException if the requested media types is invalid
*/
List<MediaType> resolveMediaTypes(ServerWebExchange exchange)
throws NotAcceptableStatusException;
}