/*
* 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.accept;
import java.util.List;
import org.springframework.http.MediaType;
import org.springframework.web.HttpMediaTypeNotAcceptableException;
import org.springframework.web.context.request.NativeWebRequest;
/**
* A strategy for resolving the requested media types for a request.
*
* @author Rossen Stoyanchev
* @since 3.2
*/
@FunctionalInterface
public interface ContentNegotiationStrategy {
/**
* Resolve the given request to a list of media types. The returned list is
* ordered by specificity first and by quality parameter second.
* @param webRequest the current request
* @return the requested media types or an empty list (never {@code null})
* @throws HttpMediaTypeNotAcceptableException if the requested media
* types cannot be parsed
*/
List<MediaType> resolveMediaTypes(NativeWebRequest webRequest)
throws HttpMediaTypeNotAcceptableException;
}