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/*
 * Copyright 2002-2013 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.socket;

import java.util.List;

/**
 * An interface for WebSocket handlers that support sub-protocols as defined in RFC 6455.
 *
 * @author Rossen Stoyanchev
 * @since 4.0
 * @see WebSocketHandler
 * @see RFC-6455 section 1.9
 */
public interface SubProtocolCapable {

	/**
	 * Return the list of supported sub-protocols.
	 */
	List getSubProtocols();

}