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Posted to commits@hc.apache.org by ol...@apache.org on 2024/01/16 09:29:11 UTC
(httpcomponents-client) branch 5.3.x updated: Example demonstrating how to make HttpClient negotiate or force a particular version of HTTP protocol during the TLS handshake
This is an automated email from the ASF dual-hosted git repository.
olegk pushed a commit to branch 5.3.x
in repository https://gitbox.apache.org/repos/asf/httpcomponents-client.git
The following commit(s) were added to refs/heads/5.3.x by this push:
new fbd695476 Example demonstrating how to make HttpClient negotiate or force a particular version of HTTP protocol during the TLS handshake
fbd695476 is described below
commit fbd69547601906a4ac5679e0913e04d011d6ab14
Author: Oleg Kalnichevski <ol...@apache.org>
AuthorDate: Tue Jan 16 10:27:01 2024 +0100
Example demonstrating how to make HttpClient negotiate or force a particular version of HTTP protocol during the TLS handshake
---
.../examples/AsyncClientHttpVersionPolicy.java | 118 +++++++++++++++++++++
1 file changed, 118 insertions(+)
diff --git a/httpclient5/src/test/java/org/apache/hc/client5/http/examples/AsyncClientHttpVersionPolicy.java b/httpclient5/src/test/java/org/apache/hc/client5/http/examples/AsyncClientHttpVersionPolicy.java
new file mode 100644
index 000000000..3792f2166
--- /dev/null
+++ b/httpclient5/src/test/java/org/apache/hc/client5/http/examples/AsyncClientHttpVersionPolicy.java
@@ -0,0 +1,118 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+package org.apache.hc.client5.http.examples;
+
+import java.util.concurrent.Future;
+
+import javax.net.ssl.SSLSession;
+
+import org.apache.hc.client5.http.async.methods.SimpleHttpRequest;
+import org.apache.hc.client5.http.async.methods.SimpleHttpResponse;
+import org.apache.hc.client5.http.async.methods.SimpleRequestBuilder;
+import org.apache.hc.client5.http.async.methods.SimpleRequestProducer;
+import org.apache.hc.client5.http.async.methods.SimpleResponseConsumer;
+import org.apache.hc.client5.http.config.TlsConfig;
+import org.apache.hc.client5.http.impl.async.CloseableHttpAsyncClient;
+import org.apache.hc.client5.http.impl.async.HttpAsyncClients;
+import org.apache.hc.client5.http.impl.nio.PoolingAsyncClientConnectionManager;
+import org.apache.hc.client5.http.impl.nio.PoolingAsyncClientConnectionManagerBuilder;
+import org.apache.hc.client5.http.protocol.HttpClientContext;
+import org.apache.hc.core5.concurrent.FutureCallback;
+import org.apache.hc.core5.http.HttpHost;
+import org.apache.hc.core5.http.message.StatusLine;
+import org.apache.hc.core5.http2.HttpVersionPolicy;
+import org.apache.hc.core5.io.CloseMode;
+
+/**
+ * This example demonstrates how to make HttpClient negotiate or force a particular
+ * version of HTTP protocol during the TLS handshake.
+ * <p/>
+ * Please note that protocol version policy setting also applies to non-HTTPS
+ * connections.
+ */
+public class AsyncClientHttpVersionPolicy {
+
+ public static void main(final String[] args) throws Exception {
+ final PoolingAsyncClientConnectionManager cm = PoolingAsyncClientConnectionManagerBuilder.create()
+ .setTlsConfigResolver(httphost -> TlsConfig.custom()
+// .setVersionPolicy(HttpVersionPolicy.FORCE_HTTP_1)
+// .setVersionPolicy(HttpVersionPolicy.FORCE_HTTP_2)
+ .setVersionPolicy(HttpVersionPolicy.NEGOTIATE)
+ .build())
+ .build();
+ try (final CloseableHttpAsyncClient client = HttpAsyncClients.custom()
+ .setConnectionManager(cm)
+ .build()) {
+
+ client.start();
+
+ final HttpHost target = new HttpHost("https", "httpbin.org");
+ final HttpClientContext clientContext = HttpClientContext.create();
+
+ final SimpleHttpRequest request = SimpleRequestBuilder.get()
+ .setHttpHost(target)
+ .setPath("/")
+ .build();
+
+ System.out.println("Executing request " + request);
+ final Future<SimpleHttpResponse> future = client.execute(
+ SimpleRequestProducer.create(request),
+ SimpleResponseConsumer.create(),
+ clientContext,
+ new FutureCallback<SimpleHttpResponse>() {
+
+ @Override
+ public void completed(final SimpleHttpResponse response) {
+ System.out.println(request + "->" + new StatusLine(response));
+ System.out.println("HTTP protocol " + clientContext.getProtocolVersion());
+ final SSLSession sslSession = clientContext.getSSLSession();
+ if (sslSession != null) {
+ System.out.println("SSL protocol " + sslSession.getProtocol());
+ System.out.println("SSL cipher suite " + sslSession.getCipherSuite());
+ }
+ System.out.println(response.getBody());
+ }
+
+ @Override
+ public void failed(final Exception ex) {
+ System.out.println(request + "->" + ex);
+ }
+
+ @Override
+ public void cancelled() {
+ System.out.println(request + " cancelled");
+ }
+
+ });
+ future.get();
+
+ System.out.println("Shutting down");
+ client.close(CloseMode.GRACEFUL);
+ }
+ }
+
+}