001/* 002 * Copyright 2002-2013 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.web.socket.sockjs.transport; 018 019import java.util.Map; 020 021import org.springframework.web.socket.WebSocketHandler; 022 023/** 024 * A factory for creating a SockJS session. {@link TransportHandler}s typically also serve 025 * as SockJS session factories. 026 * 027 * @author Rossen Stoyanchev 028 * @since 4.0 029 */ 030public interface SockJsSessionFactory { 031 032 /** 033 * Create a new SockJS session. 034 * @param sessionId the ID of the session 035 * @param handler the underlying {@link WebSocketHandler} 036 * @param attributes handshake request specific attributes 037 * @return a new session, never {@code null} 038 */ 039 SockJsSession createSession(String sessionId, WebSocketHandler handler, Map<String, Object> attributes); 040 041}