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.sockjs.transport.handler; 018 019import org.apache.commons.logging.Log; 020import org.apache.commons.logging.LogFactory; 021 022import org.springframework.lang.Nullable; 023import org.springframework.util.Assert; 024import org.springframework.web.socket.sockjs.transport.SockJsServiceConfig; 025import org.springframework.web.socket.sockjs.transport.TransportHandler; 026 027/** 028 * Common base class for {@link TransportHandler} implementations. 029 * 030 * @author Rossen Stoyanchev 031 * @since 4.0 032 */ 033public abstract class AbstractTransportHandler implements TransportHandler { 034 035 protected final Log logger = LogFactory.getLog(getClass()); 036 037 @Nullable 038 private SockJsServiceConfig serviceConfig; 039 040 041 @Override 042 public void initialize(SockJsServiceConfig serviceConfig) { 043 this.serviceConfig = serviceConfig; 044 } 045 046 public SockJsServiceConfig getServiceConfig() { 047 Assert.state(this.serviceConfig != null, "No SockJsServiceConfig available"); 048 return this.serviceConfig; 049 } 050 051}