/*
* Copyright 2002-2016 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.client.reactive;
import java.net.URI;
import java.util.Collection;
import io.netty.buffer.ByteBuf;
import io.netty.handler.codec.http.cookie.DefaultCookie;
import org.reactivestreams.Publisher;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.ipc.netty.http.client.HttpClientRequest;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.core.io.buffer.DataBufferFactory;
import org.springframework.core.io.buffer.NettyDataBufferFactory;
import org.springframework.http.HttpMethod;
/**
* {@link ClientHttpRequest} implementation for the Reactor-Netty HTTP client.
*
* @author Brian Clozel
* @since 5.0
* @see reactor.ipc.netty.http.client.HttpClient
*/
public class ReactorClientHttpRequest extends AbstractClientHttpRequest {
private final HttpMethod httpMethod;
private final URI uri;
private final HttpClientRequest httpRequest;
private final NettyDataBufferFactory bufferFactory;
public ReactorClientHttpRequest(HttpMethod httpMethod, URI uri,
HttpClientRequest httpRequest) {
this.httpMethod = httpMethod;
this.uri = uri;
this.httpRequest = httpRequest.failOnClientError(false);
this.bufferFactory = new NettyDataBufferFactory(httpRequest.alloc());
}
@Override
public DataBufferFactory bufferFactory() {
return this.bufferFactory;
}
@Override
public HttpMethod getMethod() {
return this.httpMethod;
}
@Override
public URI getURI() {
return this.uri;
}
@Override
public Mono<Void> writeWith(Publisher<? extends DataBuffer> body) {
return doCommit(() -> this.httpRequest
.send(Flux.from(body).map(NettyDataBufferFactory::toByteBuf)).then());
}
@Override
public Mono<Void> writeAndFlushWith(Publisher<? extends Publisher<? extends DataBuffer>> body) {
Publisher<Publisher<ByteBuf>> byteBufs = Flux.from(body).
map(ReactorClientHttpRequest::toByteBufs);
return doCommit(() -> this.httpRequest.sendGroups(byteBufs).then());
}
private static Publisher<ByteBuf> toByteBufs(Publisher<? extends DataBuffer> dataBuffers) {
return Flux.from(dataBuffers).
map(NettyDataBufferFactory::toByteBuf);
}
@Override
public Mono<Void> setComplete() {
return doCommit(() -> httpRequest.sendHeaders().then());
}
@Override
protected void applyHeaders() {
getHeaders().entrySet()
.forEach(e -> this.httpRequest.requestHeaders().set(e.getKey(), e.getValue()));
}
@Override
protected void applyCookies() {
getCookies().values().stream().flatMap(Collection::stream)
.map(cookie -> new DefaultCookie(cookie.getName(), cookie.getValue()))
.forEach(this.httpRequest::addCookie);
}
}