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Integrate Apache http client with WebClient

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This commit introduces a ClientHttpConnector implementation backed by
Apache HttpComponents HttpClient 5.0.

Fixes gh-24700
This commit is contained in:
martin-tarjanyi
2020-03-14 23:27:01 +01:00
committed by Arjen Poutsma
parent 859953fe81
commit 3bc1d42dcd
14 changed files with 537 additions and 8 deletions
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8
spring-webflux/src/main/java/org/springframework/web/reactive/function/client/DefaultWebClientBuilder.java
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@@ -25,6 +25,7 @@ import java.util.function.Consumer;
import org.springframework.http.HttpHeaders;
import org.springframework.http.client.reactive.ClientHttpConnector;
import org.springframework.http.client.reactive.HttpComponentsClientHttpConnector;
import org.springframework.http.client.reactive.JettyClientHttpConnector;
import org.springframework.http.client.reactive.ReactorClientHttpConnector;
import org.springframework.http.codec.ClientCodecConfigurer;
@@ -50,10 +51,14 @@ final class DefaultWebClientBuilder implements WebClient.Builder {
private static final boolean jettyClientPresent;
private static final boolean httpComponentsClientPresent;
static {
ClassLoader loader = DefaultWebClientBuilder.class.getClassLoader();
reactorClientPresent = ClassUtils.isPresent("reactor.netty.http.client.HttpClient", loader);
jettyClientPresent = ClassUtils.isPresent("org.eclipse.jetty.client.HttpClient", loader);
httpComponentsClientPresent = ClassUtils.isPresent("org.apache.hc.client5.http.impl.async.CloseableHttpAsyncClient", loader)
&& ClassUtils.isPresent("org.apache.hc.core5.reactive.ReactiveDataConsumer", loader);
}
@@ -275,6 +280,9 @@ final class DefaultWebClientBuilder implements WebClient.Builder {
else if (jettyClientPresent) {
return new JettyClientHttpConnector();
}
else if (httpComponentsClientPresent) {
return new HttpComponentsClientHttpConnector();
}
throw new IllegalStateException("No suitable default ClientHttpConnector found");
}