org.springframework.http.client.reactive.ReactorClientHttpConnector Maven / Gradle / Ivy
/*
* 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.client.reactive;
import java.net.URI;
import java.util.function.Consumer;
import java.util.function.Function;
import reactor.core.publisher.Mono;
import reactor.ipc.netty.http.client.HttpClient;
import reactor.ipc.netty.http.client.HttpClientOptions;
import reactor.ipc.netty.http.client.HttpClientRequest;
import reactor.ipc.netty.http.client.HttpClientResponse;
import reactor.ipc.netty.options.ClientOptions;
import org.springframework.http.HttpMethod;
/**
* Reactor-Netty implementation of {@link ClientHttpConnector}.
*
* @author Brian Clozel
* @since 5.0
* @see reactor.ipc.netty.http.client.HttpClient
*/
public class ReactorClientHttpConnector implements ClientHttpConnector {
private final HttpClient httpClient;
/**
* Create a Reactor Netty {@link ClientHttpConnector}
* with default {@link ClientOptions} and HTTP compression support enabled.
*/
public ReactorClientHttpConnector() {
this.httpClient = HttpClient.builder()
.options(options -> options.compression(true))
.build();
}
/**
* Create a Reactor Netty {@link ClientHttpConnector} with the given
* {@link HttpClientOptions.Builder}
*/
public ReactorClientHttpConnector(Consumer clientOptions) {
this.httpClient = HttpClient.create(clientOptions);
}
@Override
public Mono connect(HttpMethod method, URI uri,
Function> requestCallback) {
if (!uri.isAbsolute()) {
return Mono.error(new IllegalArgumentException("URI is not absolute: " + uri));
}
return this.httpClient
.request(adaptHttpMethod(method),
uri.toString(),
request -> requestCallback.apply(adaptRequest(method, uri, request)))
.map(this::adaptResponse);
}
private io.netty.handler.codec.http.HttpMethod adaptHttpMethod(HttpMethod method) {
return io.netty.handler.codec.http.HttpMethod.valueOf(method.name());
}
private ReactorClientHttpRequest adaptRequest(HttpMethod method, URI uri, HttpClientRequest request) {
return new ReactorClientHttpRequest(method, uri, request);
}
private ClientHttpResponse adaptResponse(HttpClientResponse response) {
return new ReactorClientHttpResponse(response);
}
}