io.micronaut.http.netty.stream.DefaultStreamedHttpResponse Maven / Gradle / Ivy
/*
* Copyright 2017-2020 original 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 io.micronaut.http.netty.stream;
import io.micronaut.core.annotation.Internal;
import io.micronaut.http.netty.reactive.HotObservable;
import io.netty.handler.codec.http.DefaultHttpResponse;
import io.netty.handler.codec.http.HttpContent;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.netty.handler.codec.http.HttpVersion;
import org.reactivestreams.Publisher;
import org.reactivestreams.Subscriber;
/**
* A default streamed HTTP response.
*
* @author jroper
* @author Graeme Rocher
* @since 1.0
*/
@Internal
public class DefaultStreamedHttpResponse extends DefaultHttpResponse implements StreamedHttpResponse, HotObservable {
private final Publisher stream;
/**
* @param version The Http Version
* @param status The Http response status
* @param stream The publisher
*/
public DefaultStreamedHttpResponse(HttpVersion version, HttpResponseStatus status, Publisher stream) {
super(version, status);
this.stream = stream;
}
/**
* @param version The Http Version
* @param status The Http response status
* @param validateHeaders Whether to validate the headers
* @param stream The publisher
*/
public DefaultStreamedHttpResponse(HttpVersion version, HttpResponseStatus status, boolean validateHeaders, Publisher stream) {
super(version, status, validateHeaders);
this.stream = stream;
}
/**
* @param version The Http Version
* @param status The Http response status
* @param headers The Http headers
* @param stream The publisher
*/
public DefaultStreamedHttpResponse(HttpVersion version, HttpResponseStatus status, HttpHeaders headers, Publisher stream) {
super(version, status, headers);
this.stream = stream;
}
@Override
public void subscribe(Subscriber super HttpContent> subscriber) {
stream.subscribe(subscriber);
}
@Override
public void closeIfNoSubscriber() {
if (stream instanceof HotObservable ho) {
ho.closeIfNoSubscriber();
}
}
}