Polishing

This commit polishes previous one by also accepting
generic types explicitly declared with a class that
extends DataBuffer allowing to write Flux<DefaultDataBuffer>
for example.

Issue: SPR-14952
This commit is contained in:
Sebastien Deleuze
2016-11-25 09:59:08 +01:00
parent a98be035a3
commit 8d26c738a0
14 changed files with 77 additions and 56 deletions

View File

@@ -55,7 +55,7 @@ public interface ReactiveHttpOutputMessage extends HttpMessage {
* @param body the body content publisher
* @return a {@link Mono} that indicates completion or error
*/
Mono<Void> writeWith(Publisher<DataBuffer> body);
Mono<Void> writeWith(Publisher<? extends DataBuffer> body);
/**
* Use the given {@link Publisher} of {@code Publishers} to write the body of the
@@ -64,7 +64,7 @@ public interface ReactiveHttpOutputMessage extends HttpMessage {
* @param body the body content publisher
* @return a {@link Mono} that indicates completion or error
*/
Mono<Void> writeAndFlushWith(Publisher<? extends Publisher<DataBuffer>> body);
Mono<Void> writeAndFlushWith(Publisher<? extends Publisher<? extends DataBuffer>> body);
/**
* Indicate that message handling is complete, allowing for any cleanup or

View File

@@ -74,20 +74,20 @@ public class ReactorClientHttpRequest extends AbstractClientHttpRequest {
}
@Override
public Mono<Void> writeWith(Publisher<DataBuffer> body) {
public Mono<Void> writeWith(Publisher<? extends DataBuffer> body) {
return applyBeforeCommit().then(this.httpRequest
.send(Flux.from(body).map(NettyDataBufferFactory::toByteBuf)));
}
@Override
public Mono<Void> writeAndFlushWith(Publisher<? extends Publisher<DataBuffer>> body) {
public Mono<Void> writeAndFlushWith(Publisher<? extends Publisher<? extends DataBuffer>> body) {
Publisher<Publisher<ByteBuf>> byteBufs = Flux.from(body).
map(ReactorClientHttpRequest::toByteBufs);
return applyBeforeCommit().then(this.httpRequest
.sendGroups(byteBufs));
}
private static Publisher<ByteBuf> toByteBufs(Publisher<DataBuffer> dataBuffers) {
private static Publisher<ByteBuf> toByteBufs(Publisher<? extends DataBuffer> dataBuffers) {
return Flux.from(dataBuffers).
map(NettyDataBufferFactory::toByteBuf);
}

View File

@@ -43,14 +43,14 @@ public abstract class AbstractListenerServerHttpResponse extends AbstractServerH
@Override
protected final Mono<Void> writeWithInternal(Publisher<DataBuffer> body) {
protected final Mono<Void> writeWithInternal(Publisher<? extends DataBuffer> body) {
return writeAndFlushWithInternal(Mono.just(body));
}
@Override
protected final Mono<Void> writeAndFlushWithInternal(Publisher<? extends Publisher<DataBuffer>> body) {
protected final Mono<Void> writeAndFlushWithInternal(Publisher<? extends Publisher<? extends DataBuffer>> body) {
if (this.writeCalled.compareAndSet(false, true)) {
Processor<Publisher<DataBuffer>, Void> bodyProcessor = createBodyFlushProcessor();
Processor<? super Publisher<? extends DataBuffer>, Void> bodyProcessor = createBodyFlushProcessor();
return Mono.from(subscriber -> {
body.subscribe(bodyProcessor);
bodyProcessor.subscribe(subscriber);
@@ -67,6 +67,6 @@ public abstract class AbstractListenerServerHttpResponse extends AbstractServerH
* that will write the response body with flushes to the underlying output. Called from
* {@link #writeAndFlushWithInternal(Publisher)}.
*/
protected abstract Processor<Publisher<DataBuffer>, Void> createBodyFlushProcessor();
protected abstract Processor<? super Publisher<? extends DataBuffer>, Void> createBodyFlushProcessor();
}

View File

@@ -41,7 +41,7 @@ import org.springframework.core.io.buffer.DataBuffer;
* @see UndertowHttpHandlerAdapter
* @see ServerHttpResponse#writeAndFlushWith(Publisher)
*/
abstract class AbstractResponseBodyFlushProcessor implements Processor<Publisher<DataBuffer>, Void> {
abstract class AbstractResponseBodyFlushProcessor implements Processor<Publisher<? extends DataBuffer>, Void> {
protected final Log logger = LogFactory.getLog(getClass());
@@ -65,7 +65,7 @@ abstract class AbstractResponseBodyFlushProcessor implements Processor<Publisher
}
@Override
public final void onNext(Publisher<DataBuffer> publisher) {
public final void onNext(Publisher<? extends DataBuffer> publisher) {
if (logger.isTraceEnabled()) {
logger.trace(this.state + " onNext: " + publisher);
}
@@ -100,7 +100,7 @@ abstract class AbstractResponseBodyFlushProcessor implements Processor<Publisher
/**
* Creates a new processor for subscribing to a body chunk.
*/
protected abstract Processor<DataBuffer, Void> createBodyProcessor();
protected abstract Processor<? super DataBuffer, Void> createBodyProcessor();
/**
* Flushes the output.
@@ -144,9 +144,9 @@ abstract class AbstractResponseBodyFlushProcessor implements Processor<Publisher
REQUESTED {
@Override
public void onNext(AbstractResponseBodyFlushProcessor processor, Publisher<DataBuffer> chunk) {
public void onNext(AbstractResponseBodyFlushProcessor processor, Publisher<? extends DataBuffer> chunk) {
if (processor.changeState(this, RECEIVED)) {
Processor<DataBuffer, Void> chunkProcessor = processor.createBodyProcessor();
Processor<? super DataBuffer, Void> chunkProcessor = processor.createBodyProcessor();
chunk.subscribe(chunkProcessor);
chunkProcessor.subscribe(new WriteSubscriber(processor));
}
@@ -192,7 +192,7 @@ abstract class AbstractResponseBodyFlushProcessor implements Processor<Publisher
@Override
public void onNext(AbstractResponseBodyFlushProcessor processor,
Publisher<DataBuffer> publisher) {
Publisher<? extends DataBuffer> publisher) {
// ignore
}
@@ -212,7 +212,7 @@ abstract class AbstractResponseBodyFlushProcessor implements Processor<Publisher
subscription.cancel();
}
public void onNext(AbstractResponseBodyFlushProcessor processor, Publisher<DataBuffer> publisher) {
public void onNext(AbstractResponseBodyFlushProcessor processor, Publisher<? extends DataBuffer> publisher) {
throw new IllegalStateException(toString());
}

View File

@@ -125,13 +125,13 @@ public abstract class AbstractServerHttpResponse implements ServerHttpResponse {
}
@Override
public final Mono<Void> writeWith(Publisher<DataBuffer> body) {
public final Mono<Void> writeWith(Publisher<? extends DataBuffer> body) {
return new ChannelSendOperator<>(body,
writePublisher -> doCommit(() -> writeWithInternal(writePublisher)));
}
@Override
public final Mono<Void> writeAndFlushWith(Publisher<? extends Publisher<DataBuffer>> body) {
public final Mono<Void> writeAndFlushWith(Publisher<? extends Publisher<? extends DataBuffer>> body) {
return new ChannelSendOperator<>(body,
writePublisher -> doCommit(() -> writeAndFlushWithInternal(writePublisher)));
}
@@ -186,14 +186,14 @@ public abstract class AbstractServerHttpResponse implements ServerHttpResponse {
* Implement this method to write to the underlying the response.
* @param body the publisher to write with
*/
protected abstract Mono<Void> writeWithInternal(Publisher<DataBuffer> body);
protected abstract Mono<Void> writeWithInternal(Publisher<? extends DataBuffer> body);
/**
* Implement this method to write to the underlying the response, and flush after
* each {@code Publisher<DataBuffer>}.
* @param body the publisher to write and flush with
*/
protected abstract Mono<Void> writeAndFlushWithInternal(Publisher<? extends Publisher<DataBuffer>> body);
protected abstract Mono<Void> writeAndFlushWithInternal(Publisher<? extends Publisher<? extends DataBuffer>> body);
/**
* Implement this method to write the status code to the underlying response.

View File

@@ -70,13 +70,13 @@ public class ReactorServerHttpResponse extends AbstractServerHttpResponse
}
@Override
protected Mono<Void> writeWithInternal(Publisher<DataBuffer> publisher) {
protected Mono<Void> writeWithInternal(Publisher<? extends DataBuffer> publisher) {
Publisher<ByteBuf> body = toByteBufs(publisher);
return this.response.send(body);
}
@Override
protected Mono<Void> writeAndFlushWithInternal(Publisher<? extends Publisher<DataBuffer>> publisher) {
protected Mono<Void> writeAndFlushWithInternal(Publisher<? extends Publisher<? extends DataBuffer>> publisher) {
Publisher<Publisher<ByteBuf>> body = Flux.from(publisher)
.map(ReactorServerHttpResponse::toByteBufs);
return this.response.sendGroups(body);
@@ -117,7 +117,7 @@ public class ReactorServerHttpResponse extends AbstractServerHttpResponse
return doCommit(() -> this.response.sendFile(file, position, count));
}
private static Publisher<ByteBuf> toByteBufs(Publisher<DataBuffer> dataBuffers) {
private static Publisher<ByteBuf> toByteBufs(Publisher<? extends DataBuffer> dataBuffers) {
return Flux.from(dataBuffers).map(NettyDataBufferFactory::toByteBuf);
}

View File

@@ -71,7 +71,7 @@ public class RxNettyServerHttpResponse extends AbstractServerHttpResponse {
}
@Override
protected Mono<Void> writeWithInternal(Publisher<DataBuffer> body) {
protected Mono<Void> writeWithInternal(Publisher<? extends DataBuffer> body) {
Observable<ByteBuf> content = RxReactiveStreams.toObservable(body)
.map(NettyDataBufferFactory::toByteBuf);
return Flux.from(RxReactiveStreams.toPublisher(this.response.write(content)))
@@ -80,7 +80,7 @@ public class RxNettyServerHttpResponse extends AbstractServerHttpResponse {
@Override
protected Mono<Void> writeAndFlushWithInternal(
Publisher<? extends Publisher<DataBuffer>> body) {
Publisher<? extends Publisher<? extends DataBuffer>> body) {
Flux<ByteBuf> bodyWithFlushSignals = Flux.from(body).
flatMap(publisher -> Flux.from(publisher).
map(NettyDataBufferFactory::toByteBuf).

View File

@@ -122,7 +122,7 @@ public class ServletServerHttpResponse extends AbstractListenerServerHttpRespons
}
@Override
protected Processor<Publisher<DataBuffer>, Void> createBodyFlushProcessor() {
protected Processor<? super Publisher<? extends DataBuffer>, Void> createBodyFlushProcessor() {
ResponseBodyFlushProcessor processor = new ResponseBodyFlushProcessor();
this.bodyFlushProcessor = processor;
return processor;
@@ -261,7 +261,7 @@ public class ServletServerHttpResponse extends AbstractListenerServerHttpRespons
private class ResponseBodyFlushProcessor extends AbstractResponseBodyFlushProcessor {
@Override
protected Processor<DataBuffer, Void> createBodyProcessor() {
protected Processor<? super DataBuffer, Void> createBodyProcessor() {
try {
bodyProcessor = new ResponseBodyProcessor(outputStream(), bufferSize);
return bodyProcessor;

View File

@@ -29,6 +29,7 @@ import io.undertow.server.handlers.Cookie;
import io.undertow.server.handlers.CookieImpl;
import io.undertow.util.HttpString;
import org.reactivestreams.Processor;
import org.reactivestreams.Publisher;
import org.xnio.ChannelListener;
import org.xnio.channels.StreamSinkChannel;
import reactor.core.publisher.Mono;
@@ -123,7 +124,7 @@ public class UndertowServerHttpResponse extends AbstractListenerServerHttpRespon
}
@Override
protected AbstractResponseBodyFlushProcessor createBodyFlushProcessor() {
protected Processor<? super Publisher<? extends DataBuffer>, Void> createBodyFlushProcessor() {
return new ResponseBodyFlushProcessor();
}
@@ -209,7 +210,7 @@ public class UndertowServerHttpResponse extends AbstractListenerServerHttpRespon
private class ResponseBodyFlushProcessor extends AbstractResponseBodyFlushProcessor {
@Override
protected Processor<DataBuffer, Void> createBodyProcessor() {
protected Processor<? super DataBuffer, Void> createBodyProcessor() {
return UndertowServerHttpResponse.this.createBodyProcessor();
}