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}