/*
* 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.Set;
import org.springframework.http.MediaType;
/**
* An extension of {@link RequestedContentTypeResolver} that maintains a mapping
* between keys (e.g. file extension, query parameter) and media types.
*
* @author Rossen Stoyanchev
* @since 5.0
*/
public interface MappingContentTypeResolver extends RequestedContentTypeResolver {
/**
* Resolve the given media type to a list of path extensions.
*
* @param mediaType the media type to resolve
* @return a list of extensions or an empty list, never {@code null}
*/
Set<String> getKeysFor(MediaType mediaType);
/**
* Return all registered keys (e.g. "json", "xml").
* @return a list of keys or an empty list, never {@code null}
*/
Set<String> getKeys();
}