001/* 002 * Copyright 2002-2017 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.adapter; 018 019import org.springframework.web.socket.WebSocketSession; 020 021/** 022 * A {@link WebSocketSession} that exposes the underlying, native WebSocketSession 023 * through a getter. 024 * 025 * @author Rossen Stoyanchev 026 * @since 4.0 027 */ 028public interface NativeWebSocketSession extends WebSocketSession { 029 030 /** 031 * Return the underlying native WebSocketSession. 032 */ 033 Object getNativeSession(); 034 035 /** 036 * Return the underlying native WebSocketSession, if available. 037 * @param requiredType the required type of the session 038 * @return the native session of the required type, 039 * or {@code null} if not available 040 */ 041 <T> T getNativeSession(Class<T> requiredType); 042 043}