/*
* Copyright 2002-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.http.server.reactive;
import java.net.InetSocketAddress;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Optional;
import io.netty.handler.codec.http.cookie.Cookie;
import reactor.core.publisher.Flux;
import reactor.ipc.netty.http.server.HttpServerRequest;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.core.io.buffer.NettyDataBufferFactory;
import org.springframework.http.HttpCookie;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.util.Assert;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
/**
* Adapt {@link ServerHttpRequest} to the Reactor {@link HttpServerRequest}.
*
* @author Stephane Maldini
* @author Rossen Stoyanchev
* @since 5.0
*/
public class ReactorServerHttpRequest extends AbstractServerHttpRequest {
private final HttpServerRequest request;
private final NettyDataBufferFactory bufferFactory;
public ReactorServerHttpRequest(HttpServerRequest request, NettyDataBufferFactory bufferFactory)
throws URISyntaxException {
super(initUri(request), initHeaders(request));
Assert.notNull(bufferFactory, "'bufferFactory' must not be null");
this.request = request;
this.bufferFactory = bufferFactory;
}
private static URI initUri(HttpServerRequest channel) throws URISyntaxException {
Assert.notNull(channel, "'channel' must not be null");
InetSocketAddress address = channel.remoteAddress();
String requestUri = channel.uri();
return (address != null ? createUrl(address, requestUri) : new URI(requestUri));
}
private static URI createUrl(InetSocketAddress address, String requestUri) throws URISyntaxException {
URI baseUrl = new URI(null, null, address.getHostString(), address.getPort(), null, null, null);
return new URI(baseUrl.toString() + requestUri);
}
private static HttpHeaders initHeaders(HttpServerRequest channel) {
HttpHeaders headers = new HttpHeaders();
for (String name : channel.requestHeaders().names()) {
headers.put(name, channel.requestHeaders().getAll(name));
}
return headers;
}
public HttpServerRequest getReactorRequest() {
return this.request;
}
@Override
public HttpMethod getMethod() {
return HttpMethod.valueOf(this.request.method().name());
}
@Override
protected MultiValueMap<String, HttpCookie> initCookies() {
MultiValueMap<String, HttpCookie> cookies = new LinkedMultiValueMap<>();
for (CharSequence name : this.request.cookies().keySet()) {
for (Cookie cookie : this.request.cookies().get(name)) {
HttpCookie httpCookie = new HttpCookie(name.toString(), cookie.value());
cookies.add(name.toString(), httpCookie);
}
}
return cookies;
}
@Override
public Optional<InetSocketAddress> getRemoteAddress() {
return Optional.ofNullable(this.request.remoteAddress());
}
@Override
public Flux<DataBuffer> getBody() {
return this.request.receive().retain().map(this.bufferFactory::wrap);
}
}