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Remove buffering from ClientHttpRequest implementations

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This commit ensures that ClientHttpRequest implementations implement
StreamingHttpOutputMessage, so that they do not expose an OutputStream,
but store a handle capable of writing to a stream instead.

Closes gh-30557
This commit is contained in:
Arjen Poutsma
2023-05-10 11:56:08 +02:00
parent 1ce22bdcc1
commit 033bebf8cd
21 changed files with 422 additions and 712 deletions
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10
spring-web/src/main/java/org/springframework/http/client/AbstractBufferingClientHttpRequest.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* 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.
@@ -16,11 +16,11 @@
package org.springframework.http.client;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import org.springframework.http.HttpHeaders;
import org.springframework.util.FastByteArrayOutputStream;
/**
* Base implementation of {@link ClientHttpRequest} that buffers output
@@ -31,7 +31,7 @@ import org.springframework.http.HttpHeaders;
*/
abstract class AbstractBufferingClientHttpRequest extends AbstractClientHttpRequest {
private ByteArrayOutputStream bufferedOutput = new ByteArrayOutputStream(1024);
private final FastByteArrayOutputStream bufferedOutput = new FastByteArrayOutputStream(1024);
@Override
@@ -41,12 +41,12 @@ abstract class AbstractBufferingClientHttpRequest extends AbstractClientHttpRequ
@Override
protected ClientHttpResponse executeInternal(HttpHeaders headers) throws IOException {
byte[] bytes = this.bufferedOutput.toByteArray();
byte[] bytes = this.bufferedOutput.toByteArrayUnsafe();
if (headers.getContentLength() < 0) {
headers.setContentLength(bytes.length);
}
ClientHttpResponse result = executeInternal(headers, bytes);
this.bufferedOutput = new ByteArrayOutputStream(0);
this.bufferedOutput.reset();
return result;
}

83
spring-web/src/main/java/org/springframework/http/client/AbstractStreamingClientHttpRequest.java Normal file
View File

@@ -0,0 +1,83 @@
/*
* 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;
import java.io.IOException;
import java.io.OutputStream;
import org.springframework.http.HttpHeaders;
import org.springframework.http.StreamingHttpOutputMessage;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import org.springframework.util.FastByteArrayOutputStream;
/**
* Abstract base for {@link ClientHttpRequest} that also implement
* {@link StreamingHttpOutputMessage}. Ensures that headers and
* body are not written multiple times.
*
* @author Arjen Poutsma
* @since 6.1
*/
abstract class AbstractStreamingClientHttpRequest extends AbstractClientHttpRequest
implements StreamingHttpOutputMessage {
@Nullable
private Body body;
@Nullable
private FastByteArrayOutputStream bodyStream;
@Override
protected final OutputStream getBodyInternal(HttpHeaders headers) {
Assert.state(this.body == null, "Invoke either getBody or setBody; not both");
if (this.bodyStream == null) {
this.bodyStream = new FastByteArrayOutputStream(1024);
}
return this.bodyStream;
}
@Override
public final void setBody(Body body) {
Assert.notNull(body, "Body must not be null");
assertNotExecuted();
Assert.state(this.bodyStream == null, "Invoke either getBody or setBody; not both");
this.body = body;
}
@Override
protected final ClientHttpResponse executeInternal(HttpHeaders headers) throws IOException {
if (this.body == null && this.bodyStream != null) {
this.body = outputStream -> this.bodyStream.writeTo(outputStream);
}
return executeInternal(headers, this.body);
}
/**
* Abstract template method that writes the given headers and content to the HTTP request.
* @param headers the HTTP headers
* @param body the HTTP body, may be {@code null} if no body was {@linkplain #setBody(Body) set}
* @return the response object for the executed request
* @since 6.1
*/
protected abstract ClientHttpResponse executeInternal(HttpHeaders headers, @Nullable Body body) throws IOException;
}

12
spring-web/src/main/java/org/springframework/http/client/BufferingClientHttpRequestWrapper.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2022 the original author or authors.
* 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.
@@ -21,6 +21,7 @@ import java.net.URI;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.StreamingHttpOutputMessage;
import org.springframework.util.StreamUtils;
/**
@@ -52,7 +53,14 @@ final class BufferingClientHttpRequestWrapper extends AbstractBufferingClientHtt
@Override
protected ClientHttpResponse executeInternal(HttpHeaders headers, byte[] bufferedOutput) throws IOException {
this.request.getHeaders().putAll(headers);
StreamUtils.copy(bufferedOutput, this.request.getBody());
if (this.request instanceof StreamingHttpOutputMessage streamingHttpOutputMessage) {
streamingHttpOutputMessage.setBody(outputStream -> StreamUtils.copy(bufferedOutput, outputStream));
}
else {
StreamUtils.copy(bufferedOutput, this.request.getBody());
}
ClientHttpResponse response = this.request.execute();
return new BufferingClientHttpResponseWrapper(response);
}

106
spring-web/src/main/java/org/springframework/http/client/HttpComponentsClientHttpRequest.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2022 the original author or authors.
* 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.
@@ -17,21 +17,24 @@
package org.springframework.http.client;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.List;
import java.util.Set;
import org.apache.hc.client5.http.classic.HttpClient;
import org.apache.hc.core5.function.Supplier;
import org.apache.hc.core5.http.ClassicHttpRequest;
import org.apache.hc.core5.http.ClassicHttpResponse;
import org.apache.hc.core5.http.ContentType;
import org.apache.hc.core5.http.Header;
import org.apache.hc.core5.http.HttpEntity;
import org.apache.hc.core5.http.HttpResponse;
import org.apache.hc.core5.http.io.entity.ByteArrayEntity;
import org.apache.hc.core5.http.protocol.HttpContext;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.util.Assert;
import org.springframework.lang.Nullable;
import org.springframework.util.StringUtils;
/**
@@ -46,7 +49,7 @@ import org.springframework.util.StringUtils;
* @since 3.1
* @see HttpComponentsClientHttpRequestFactory#createRequest(URI, HttpMethod)
*/
final class HttpComponentsClientHttpRequest extends AbstractBufferingClientHttpRequest {
final class HttpComponentsClientHttpRequest extends AbstractStreamingClientHttpRequest {
private final HttpClient httpClient;
@@ -81,19 +84,16 @@ final class HttpComponentsClientHttpRequest extends AbstractBufferingClientHttpR
return this.httpContext;
}
@SuppressWarnings("deprecation") // execute(ClassicHttpRequest, HttpContext)
@Override
protected ClientHttpResponse executeInternal(HttpHeaders headers, byte[] bufferedOutput) throws IOException {
protected ClientHttpResponse executeInternal(HttpHeaders headers, @Nullable Body body) throws IOException {
addHeaders(this.httpRequest, headers);
ContentType contentType = ContentType.parse(headers.getFirst(HttpHeaders.CONTENT_TYPE));
HttpEntity requestEntity = new ByteArrayEntity(bufferedOutput, contentType);
this.httpRequest.setEntity(requestEntity);
HttpResponse httpResponse = this.httpClient.execute(this.httpRequest, this.httpContext);
Assert.isInstanceOf(ClassicHttpResponse.class, httpResponse,
"HttpResponse not an instance of ClassicHttpResponse");
return new HttpComponentsClientHttpResponse((ClassicHttpResponse) httpResponse);
if (body != null) {
HttpEntity requestEntity = new BodyEntity(headers, body);
this.httpRequest.setEntity(requestEntity);
}
ClassicHttpResponse httpResponse = this.httpClient.executeOpen(null, this.httpRequest, this.httpContext);
return new HttpComponentsClientHttpResponse(httpResponse);
}
/**
@@ -116,4 +116,78 @@ final class HttpComponentsClientHttpRequest extends AbstractBufferingClientHttpR
});
}
private static class BodyEntity implements HttpEntity {
private final HttpHeaders headers;
private final Body body;
public BodyEntity(HttpHeaders headers, Body body) {
this.headers = headers;
this.body = body;
}
@Override
public long getContentLength() {
return this.headers.getContentLength();
}
@Override
@Nullable
public String getContentType() {
return this.headers.getFirst(HttpHeaders.CONTENT_TYPE);
}
@Override
public InputStream getContent() {
throw new UnsupportedOperationException();
}
@Override
public void writeTo(OutputStream outStream) throws IOException {
this.body.writeTo(outStream);
}
@Override
public boolean isRepeatable() {
return false;
}
@Override
public boolean isStreaming() {
return true;
}
@Override
@Nullable
public Supplier<List<? extends Header>> getTrailers() {
return null;
}
@Override
@Nullable
public String getContentEncoding() {
return this.headers.getFirst(HttpHeaders.CONTENT_ENCODING);
}
@Override
public boolean isChunked() {
return false;
}
@Override
@Nullable
public Set<String> getTrailerNames() {
return null;
}
@Override
public void close() {
}
}
}

14
spring-web/src/main/java/org/springframework/http/client/HttpComponentsClientHttpRequestFactory.java
View File

@@ -65,8 +65,6 @@ public class HttpComponentsClientHttpRequestFactory implements ClientHttpRequest
private HttpClient httpClient;
private boolean bufferRequestBody = true;
@Nullable
private BiFunction<HttpMethod, URI, HttpContext> httpContextFactory;
@@ -146,9 +144,11 @@ public class HttpComponentsClientHttpRequestFactory implements ClientHttpRequest
* <p>Default is {@code true}. When sending large amounts of data via POST or PUT, it is
* recommended to change this property to {@code false}, so as not to run out of memory.
* @since 4.0
* @deprecated since 6.1 requests are never buffered, as if this property is {@code false}
*/
@Deprecated(since = "6.1", forRemoval = true)
public void setBufferRequestBody(boolean bufferRequestBody) {
this.bufferRequestBody = bufferRequestBody;
// no-op
}
/**
@@ -190,13 +190,7 @@ public class HttpComponentsClientHttpRequestFactory implements ClientHttpRequest
context.setAttribute(HttpClientContext.REQUEST_CONFIG, config);
}
}
if (this.bufferRequestBody) {
return new HttpComponentsClientHttpRequest(client, httpRequest, context);
}
else {
return new HttpComponentsStreamingClientHttpRequest(client, httpRequest, context);
}
return new HttpComponentsClientHttpRequest(client, httpRequest, context);
}

183
spring-web/src/main/java/org/springframework/http/client/HttpComponentsStreamingClientHttpRequest.java
View File

@@ -1,183 +0,0 @@
/*
* Copyright 2002-2022 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;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.List;
import java.util.Set;
import org.apache.hc.client5.http.classic.HttpClient;
import org.apache.hc.core5.function.Supplier;
import org.apache.hc.core5.http.ClassicHttpRequest;
import org.apache.hc.core5.http.ClassicHttpResponse;
import org.apache.hc.core5.http.Header;
import org.apache.hc.core5.http.HttpEntity;
import org.apache.hc.core5.http.HttpResponse;
import org.apache.hc.core5.http.protocol.HttpContext;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.StreamingHttpOutputMessage;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
* {@link ClientHttpRequest} implementation based on
* Apache HttpComponents HttpClient in streaming mode.
*
* <p>Created via the {@link HttpComponentsClientHttpRequestFactory}.
*
* @author Arjen Poutsma
* @since 4.0
* @see HttpComponentsClientHttpRequestFactory#createRequest(java.net.URI, org.springframework.http.HttpMethod)
*/
final class HttpComponentsStreamingClientHttpRequest extends AbstractClientHttpRequest
implements StreamingHttpOutputMessage {
private final HttpClient httpClient;
private final ClassicHttpRequest httpRequest;
private final HttpContext httpContext;
@Nullable
private Body body;
HttpComponentsStreamingClientHttpRequest(HttpClient client, ClassicHttpRequest request, HttpContext context) {
this.httpClient = client;
this.httpRequest = request;
this.httpContext = context;
}
@Override
public HttpMethod getMethod() {
return HttpMethod.valueOf(this.httpRequest.getMethod());
}
@Override
public URI getURI() {
try {
return this.httpRequest.getUri();
}
catch (URISyntaxException ex) {
throw new IllegalStateException(ex.getMessage(), ex);
}
}
@Override
public void setBody(Body body) {
assertNotExecuted();
this.body = body;
}
@Override
protected OutputStream getBodyInternal(HttpHeaders headers) {
throw new UnsupportedOperationException("getBody not supported");
}
@SuppressWarnings("deprecation") // execute(ClassicHttpRequest, HttpContext)
@Override
protected ClientHttpResponse executeInternal(HttpHeaders headers) throws IOException {
HttpComponentsClientHttpRequest.addHeaders(this.httpRequest, headers);
if (this.body != null) {
HttpEntity requestEntity = new StreamingHttpEntity(getHeaders(), this.body);
this.httpRequest.setEntity(requestEntity);
}
HttpResponse httpResponse = this.httpClient.execute(this.httpRequest, this.httpContext);
Assert.isInstanceOf(ClassicHttpResponse.class, httpResponse,
"HttpResponse not an instance of ClassicHttpResponse");
return new HttpComponentsClientHttpResponse((ClassicHttpResponse) httpResponse);
}
private static class StreamingHttpEntity implements HttpEntity {
private final HttpHeaders headers;
private final StreamingHttpOutputMessage.Body body;
public StreamingHttpEntity(HttpHeaders headers, StreamingHttpOutputMessage.Body body) {
this.headers = headers;
this.body = body;
}
@Override
public boolean isRepeatable() {
return false;
}
@Override
public boolean isChunked() {
return false;
}
@Override
public long getContentLength() {
return this.headers.getContentLength();
}
@Override
@Nullable
public String getContentType() {
return this.headers.getFirst(HttpHeaders.CONTENT_TYPE);
}
@Override
@Nullable
public String getContentEncoding() {
return this.headers.getFirst(HttpHeaders.CONTENT_ENCODING);
}
@Override
public InputStream getContent() throws IOException, IllegalStateException {
throw new IllegalStateException("No content available");
}
@Override
public void writeTo(OutputStream outputStream) throws IOException {
this.body.writeTo(outputStream);
}
@Override
public boolean isStreaming() {
return true;
}
@Override
@Nullable
public Supplier<List<? extends Header>> getTrailers() {
return null;
}
@Override
@Nullable
public Set<String> getTrailerNames() {
return null;
}
@Override
public void close() throws IOException {
}
}
}

77
spring-web/src/main/java/org/springframework/http/client/OkHttp3ClientHttpRequest.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2022 the original author or authors.
* 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.
@@ -19,11 +19,16 @@ package org.springframework.http.client;
import java.io.IOException;
import java.net.URI;
import okhttp3.MediaType;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okio.BufferedSink;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.lang.Nullable;
import org.springframework.util.StringUtils;
/**
* {@link ClientHttpRequest} implementation based on OkHttp 3.x.
@@ -35,7 +40,7 @@ import org.springframework.http.HttpMethod;
* @author Roy Clarkson
* @since 4.3
*/
class OkHttp3ClientHttpRequest extends AbstractBufferingClientHttpRequest {
class OkHttp3ClientHttpRequest extends AbstractStreamingClientHttpRequest {
private final OkHttpClient client;
@@ -61,11 +66,73 @@ class OkHttp3ClientHttpRequest extends AbstractBufferingClientHttpRequest {
return this.uri;
}
@Override
protected ClientHttpResponse executeInternal(HttpHeaders headers, byte[] content) throws IOException {
Request request = OkHttp3ClientHttpRequestFactory.buildRequest(headers, content, this.uri, this.method);
protected ClientHttpResponse executeInternal(HttpHeaders headers, @Nullable Body body) throws IOException {
RequestBody requestBody;
if (body != null) {
requestBody = new BodyRequestBody(headers, body);
}
else if (okhttp3.internal.http.HttpMethod.requiresRequestBody(getMethod().name())) {
String header = headers.getFirst(HttpHeaders.CONTENT_TYPE);
MediaType contentType = (header != null) ? MediaType.parse(header) : null;
requestBody = RequestBody.create(contentType, new byte[0]);
}
else {
requestBody = null;
}
Request.Builder builder = new Request.Builder()
.url(this.uri.toURL());
builder.method(this.method.name(), requestBody);
headers.forEach((headerName, headerValues) -> {
for (String headerValue : headerValues) {
builder.addHeader(headerName, headerValue);
}
});
Request request = builder.build();
return new OkHttp3ClientHttpResponse(this.client.newCall(request).execute());
}
private static class BodyRequestBody extends RequestBody {
private final HttpHeaders headers;
private final Body body;
public BodyRequestBody(HttpHeaders headers, Body body) {
this.headers = headers;
this.body = body;
}
@Override
public long contentLength() {
return this.headers.getContentLength();
}
@Nullable
@Override
public MediaType contentType() {
String contentType = this.headers.getFirst(HttpHeaders.CONTENT_TYPE);
if (StringUtils.hasText(contentType)) {
return MediaType.parse(contentType);
}
else {
return null;
}
}
@Override
public void writeTo(BufferedSink sink) throws IOException {
this.body.writeTo(sink.outputStream());
}
@Override
public boolean isOneShot() {
return true;
}
}
}

32
spring-web/src/main/java/org/springframework/http/client/OkHttp3ClientHttpRequestFactory.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2021 the original author or authors.
* 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.
@@ -17,21 +17,15 @@
package org.springframework.http.client;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URI;
import java.util.concurrent.TimeUnit;
import okhttp3.Cache;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* {@link ClientHttpRequestFactory} implementation that uses
@@ -118,28 +112,4 @@ public class OkHttp3ClientHttpRequestFactory implements ClientHttpRequestFactory
}
}
static Request buildRequest(HttpHeaders headers, byte[] content, URI uri, HttpMethod method)
throws MalformedURLException {
okhttp3.MediaType contentType = getContentType(headers);
RequestBody body = (content.length > 0 ||
okhttp3.internal.http.HttpMethod.requiresRequestBody(method.name()) ?
RequestBody.create(contentType, content) : null);
Request.Builder builder = new Request.Builder().url(uri.toURL()).method(method.name(), body);
headers.forEach((headerName, headerValues) -> {
for (String headerValue : headerValues) {
builder.addHeader(headerName, headerValue);
}
});
return builder.build();
}
@Nullable
private static okhttp3.MediaType getContentType(HttpHeaders headers) {
String rawContentType = headers.getFirst(HttpHeaders.CONTENT_TYPE);
return (StringUtils.hasText(rawContentType) ? okhttp3.MediaType.parse(rawContentType) : null);
}
}

49
spring-web/src/main/java/org/springframework/http/client/SimpleBufferingClientHttpRequest.java → spring-web/src/main/java/org/springframework/http/client/SimpleClientHttpRequest.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2022 the original author or authors.
* 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.
@@ -17,34 +17,34 @@
package org.springframework.http.client;
import java.io.IOException;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URI;
import java.net.URISyntaxException;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.util.FileCopyUtils;
import org.springframework.lang.Nullable;
import org.springframework.util.StringUtils;
/**
* {@link ClientHttpRequest} implementation that uses standard JDK facilities to
* execute buffered requests. Created via the {@link SimpleClientHttpRequestFactory}.
* execute streaming requests. Created via the {@link SimpleClientHttpRequestFactory}.
*
* @author Arjen Poutsma
* @author Juergen Hoeller
* @since 3.0
* @see SimpleClientHttpRequestFactory#createRequest(java.net.URI, HttpMethod)
* @since 6.1
* @see SimpleClientHttpRequestFactory#createRequest(URI, HttpMethod)
*/
final class SimpleBufferingClientHttpRequest extends AbstractBufferingClientHttpRequest {
final class SimpleClientHttpRequest extends AbstractStreamingClientHttpRequest {
private final HttpURLConnection connection;
private final boolean outputStreaming;
private final int chunkSize;
SimpleBufferingClientHttpRequest(HttpURLConnection connection, boolean outputStreaming) {
SimpleClientHttpRequest(HttpURLConnection connection, int chunkSize) {
this.connection = connection;
this.outputStreaming = outputStreaming;
this.chunkSize = chunkSize;
}
@Override
@@ -63,18 +63,25 @@ final class SimpleBufferingClientHttpRequest extends AbstractBufferingClientHttp
}
@Override
protected ClientHttpResponse executeInternal(HttpHeaders headers, byte[] bufferedOutput) throws IOException {
addHeaders(this.connection, headers);
// JDK <1.8 doesn't support getOutputStream with HTTP DELETE
if (getMethod() == HttpMethod.DELETE && bufferedOutput.length == 0) {
this.connection.setDoOutput(false);
}
if (this.connection.getDoOutput() && this.outputStreaming) {
this.connection.setFixedLengthStreamingMode(bufferedOutput.length);
}
this.connection.connect();
protected ClientHttpResponse executeInternal(HttpHeaders headers, @Nullable Body body) throws IOException {
if (this.connection.getDoOutput()) {
FileCopyUtils.copy(bufferedOutput, this.connection.getOutputStream());
long contentLength = headers.getContentLength();
if (contentLength >= 0) {
this.connection.setFixedLengthStreamingMode(contentLength);
}
else {
this.connection.setChunkedStreamingMode(this.chunkSize);
}
}
addHeaders(this.connection, headers);
this.connection.connect();
if (this.connection.getDoOutput() && body != null) {
try (OutputStream os = this.connection.getOutputStream()) {
body.writeTo(os);
}
}
else {
// Immediately trigger the request in a no-output scenario as well

18
spring-web/src/main/java/org/springframework/http/client/SimpleClientHttpRequestFactory.java
View File

@@ -43,16 +43,12 @@ public class SimpleClientHttpRequestFactory implements ClientHttpRequestFactory
@Nullable
private Proxy proxy;
private boolean bufferRequestBody = true;
private int chunkSize = DEFAULT_CHUNK_SIZE;
private int connectTimeout = -1;
private int readTimeout = -1;
private boolean outputStreaming = true;
/**
* Set the {@link Proxy} to use for this request factory.
@@ -73,9 +69,10 @@ public class SimpleClientHttpRequestFactory implements ClientHttpRequestFactory
* (if the {@code Content-Length} is not known in advance).
* @see #setChunkSize(int)
* @see HttpURLConnection#setFixedLengthStreamingMode(int)
* @deprecated since 6.1 requests are never buffered, as if this property is {@code false}
*/
@Deprecated(since = "6.1", forRemoval = true)
public void setBufferRequestBody(boolean bufferRequestBody) {
this.bufferRequestBody = bufferRequestBody;
}
/**
@@ -119,9 +116,11 @@ public class SimpleClientHttpRequestFactory implements ClientHttpRequestFactory
* {@link HttpURLConnection#setChunkedStreamingMode} methods of the underlying connection will never
* be called.
* @param outputStreaming if output streaming is enabled
* @deprecated as of 6.1, this property is ignored with no direct replacement.
* @deprecated since 6.1 requests are always streamed, as if this property is {@code true}
*/
@Deprecated(since = "6.1", forRemoval = true)
public void setOutputStreaming(boolean outputStreaming) {
this.outputStreaming = outputStreaming;
}
@@ -130,12 +129,7 @@ public class SimpleClientHttpRequestFactory implements ClientHttpRequestFactory
HttpURLConnection connection = openConnection(uri.toURL(), this.proxy);
prepareConnection(connection, httpMethod.name());
if (this.bufferRequestBody) {
return new SimpleBufferingClientHttpRequest(connection, this.outputStreaming);
}
else {
return new SimpleStreamingClientHttpRequest(connection, this.chunkSize, this.outputStreaming);
}
return new SimpleClientHttpRequest(connection, this.chunkSize);
}
/**

5
spring-web/src/main/java/org/springframework/http/client/SimpleClientHttpResponse.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2019 the original author or authors.
* 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.
@@ -28,8 +28,7 @@ import org.springframework.util.StringUtils;
/**
* {@link ClientHttpResponse} implementation that uses standard JDK facilities.
* Obtained via {@link SimpleBufferingClientHttpRequest#execute()} and
* {@link SimpleStreamingClientHttpRequest#execute()}.
* Obtained via {@link SimpleClientHttpRequest#execute()}.
*
* @author Arjen Poutsma
* @author Brian Clozel

111
spring-web/src/main/java/org/springframework/http/client/SimpleStreamingClientHttpRequest.java
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/*
* Copyright 2002-2022 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;
import java.io.IOException;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URI;
import java.net.URISyntaxException;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.lang.Nullable;
import org.springframework.util.StreamUtils;
/**
* {@link ClientHttpRequest} implementation that uses standard JDK facilities to
* execute streaming requests. Created via the {@link SimpleClientHttpRequestFactory}.
*
* @author Arjen Poutsma
* @since 3.0
* @see SimpleClientHttpRequestFactory#createRequest(java.net.URI, HttpMethod)
* @see org.springframework.http.client.support.HttpAccessor
* @see org.springframework.web.client.RestTemplate
*/
final class SimpleStreamingClientHttpRequest extends AbstractClientHttpRequest {
private final HttpURLConnection connection;
private final int chunkSize;
@Nullable
private OutputStream body;
private final boolean outputStreaming;
SimpleStreamingClientHttpRequest(HttpURLConnection connection, int chunkSize, boolean outputStreaming) {
this.connection = connection;
this.chunkSize = chunkSize;
this.outputStreaming = outputStreaming;
}
@Override
public HttpMethod getMethod() {
return HttpMethod.valueOf(this.connection.getRequestMethod());
}
@Override
public URI getURI() {
try {
return this.connection.getURL().toURI();
}
catch (URISyntaxException ex) {
throw new IllegalStateException("Could not get HttpURLConnection URI: " + ex.getMessage(), ex);
}
}
@Override
protected OutputStream getBodyInternal(HttpHeaders headers) throws IOException {
if (this.body == null) {
if (this.outputStreaming) {
long contentLength = headers.getContentLength();
if (contentLength >= 0) {
this.connection.setFixedLengthStreamingMode(contentLength);
}
else {
this.connection.setChunkedStreamingMode(this.chunkSize);
}
}
SimpleBufferingClientHttpRequest.addHeaders(this.connection, headers);
this.connection.connect();
this.body = this.connection.getOutputStream();
}
return StreamUtils.nonClosing(this.body);
}
@Override
protected ClientHttpResponse executeInternal(HttpHeaders headers) throws IOException {
try {
if (this.body != null) {
this.body.close();
}
else {
SimpleBufferingClientHttpRequest.addHeaders(this.connection, headers);
this.connection.connect();
// Immediately trigger the request in a no-output scenario as well
this.connection.getResponseCode();
}
}
catch (IOException ex) {
// ignore
}
return new SimpleClientHttpResponse(this.connection);
}
}