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}