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.handler; 018 019import java.io.IOException; 020 021import org.springframework.http.HttpStatus; 022import org.springframework.http.server.ServerHttpRequest; 023import org.springframework.lang.Nullable; 024import org.springframework.web.socket.sockjs.transport.TransportHandler; 025import org.springframework.web.socket.sockjs.transport.TransportType; 026 027/** 028 * A {@link TransportHandler} that receives messages over HTTP. 029 * 030 * @author Rossen Stoyanchev 031 * @since 4.0 032 */ 033public class XhrReceivingTransportHandler extends AbstractHttpReceivingTransportHandler { 034 035 @Override 036 public TransportType getTransportType() { 037 return TransportType.XHR_SEND; 038 } 039 040 @Override 041 @Nullable 042 protected String[] readMessages(ServerHttpRequest request) throws IOException { 043 return getServiceConfig().getMessageCodec().decodeInputStream(request.getBody()); 044 } 045 046 @Override 047 protected HttpStatus getResponseStatus() { 048 return HttpStatus.NO_CONTENT; 049 } 050 051}