org.springframework.http.client.reactive.JettyClientHttpRequest Maven / Gradle / Ivy
/*
* Copyright 2002-2023 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
*
* https://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.HttpCookie;
import java.net.URI;
import java.nio.ByteBuffer;
import java.util.Collection;
import java.util.function.Function;
import org.eclipse.jetty.client.api.Request;
import org.eclipse.jetty.reactive.client.ContentChunk;
import org.eclipse.jetty.reactive.client.ReactiveRequest;
import org.eclipse.jetty.util.Callback;
import org.reactivestreams.Publisher;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.core.publisher.MonoSink;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.core.io.buffer.DataBufferFactory;
import org.springframework.core.io.buffer.DataBufferUtils;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
/**
* {@link ClientHttpRequest} implementation for the Jetty ReactiveStreams HTTP client.
*
* @author Sebastien Deleuze
* @since 5.1
* @see Jetty ReactiveStreams HttpClient
*/
class JettyClientHttpRequest extends AbstractClientHttpRequest {
private final Request jettyRequest;
private final DataBufferFactory bufferFactory;
private final ReactiveRequest.Builder builder;
public JettyClientHttpRequest(Request jettyRequest, DataBufferFactory bufferFactory) {
this.jettyRequest = jettyRequest;
this.bufferFactory = bufferFactory;
this.builder = ReactiveRequest.newBuilder(this.jettyRequest).abortOnCancel(true);
}
@Override
public HttpMethod getMethod() {
return HttpMethod.valueOf(this.jettyRequest.getMethod());
}
@Override
public URI getURI() {
return this.jettyRequest.getURI();
}
@Override
public Mono setComplete() {
return doCommit();
}
@Override
public DataBufferFactory bufferFactory() {
return this.bufferFactory;
}
@Override
@SuppressWarnings("unchecked")
public T getNativeRequest() {
return (T) this.jettyRequest;
}
@Override
public Mono writeWith(Publisher body) {
return Mono.create(sink -> {
ReactiveRequest.Content content = Flux.from(body)
.map(buffer -> toContentChunk(buffer, sink))
.as(chunks -> ReactiveRequest.Content.fromPublisher(chunks, getContentType()));
this.builder.content(content);
sink.success();
}).then(doCommit());
}
@Override
public Mono writeAndFlushWith(Publisher> body) {
return writeWith(Flux.from(body)
.flatMap(Function.identity())
.doOnDiscard(DataBuffer.class, DataBufferUtils::release));
}
private String getContentType() {
MediaType contentType = getHeaders().getContentType();
return contentType != null ? contentType.toString() : MediaType.APPLICATION_OCTET_STREAM_VALUE;
}
private ContentChunk toContentChunk(DataBuffer dataBuffer, MonoSink sink) {
ByteBuffer byteBuffer = ByteBuffer.allocate(dataBuffer.readableByteCount());
dataBuffer.toByteBuffer(byteBuffer);
return new ContentChunk(byteBuffer, new Callback() {
@Override
public void succeeded() {
DataBufferUtils.release(dataBuffer);
}
@Override
public void failed(Throwable t) {
DataBufferUtils.release(dataBuffer);
sink.error(t);
}
});
}
@Override
protected void applyCookies() {
getCookies().values().stream().flatMap(Collection::stream)
.map(cookie -> new HttpCookie(cookie.getName(), cookie.getValue()))
.forEach(this.jettyRequest::cookie);
}
@Override
protected void applyHeaders() {
HttpHeaders headers = getHeaders();
this.jettyRequest.headers(fields -> {
headers.forEach((key, value) -> value.forEach(v -> fields.add(key, v)));
if (!headers.containsKey(HttpHeaders.ACCEPT)) {
fields.add(HttpHeaders.ACCEPT, "*/*");
}
});
}
@Override
protected HttpHeaders initReadOnlyHeaders() {
return HttpHeaders.readOnlyHttpHeaders(new JettyHeadersAdapter(this.jettyRequest.getHeaders()));
}
public ReactiveRequest toReactiveRequest() {
return this.builder.build();
}
}