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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 <a href="https://tools.ietf.org/html/rfc6455#section-1.9">RFC-6455 section 1.9</a> */ public interface SubProtocolCapable { /** * Return the list of supported sub-protocols. */ List<String> getSubProtocols(); }