From fed2c3ae725c9566b5902ceca22b30ac2593c635 Mon Sep 17 00:00:00 2001
From: Joakim Erdfelt <joakim.erdfelt@gmail.com>
Date: Wed, 10 Jan 2024 16:56:38 -0600
Subject: [PATCH] Adding client examples

---
 embedded/client/pom.xml                       | 37 +++++++++++
 .../examples/ClientWithDynamicConnection.java | 63 +++++++++++++++++++
 .../main/resources/jetty-logging.properties   |  2 +
 embedded/pom.xml                              |  1 +
 4 files changed, 103 insertions(+)
 create mode 100644 embedded/client/pom.xml
 create mode 100644 embedded/client/src/main/java/examples/ClientWithDynamicConnection.java
 create mode 100644 embedded/client/src/main/resources/jetty-logging.properties

diff --git a/embedded/client/pom.xml b/embedded/client/pom.xml
new file mode 100644
index 0000000..b501516
--- /dev/null
+++ b/embedded/client/pom.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.eclipse.jetty.examples.embedded</groupId>
+    <artifactId>jetty-embedded-examples</artifactId>
+    <version>10.0.x</version>
+  </parent>
+  <artifactId>client</artifactId>
+  <version>10.0.x</version>
+  <packaging>jar</packaging>
+  <name>Jetty Examples :: Jetty 9.4.x :: Embedded :: Client</name>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.eclipse.jetty</groupId>
+      <artifactId>jetty-client</artifactId>
+      <version>${jetty.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jetty.http2</groupId>
+      <artifactId>http2-client</artifactId>
+      <version>${jetty.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jetty.http2</groupId>
+      <artifactId>http2-http-client-transport</artifactId>
+      <version>${jetty.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jetty</groupId>
+      <artifactId>jetty-slf4j-impl</artifactId>
+      <version>${jetty.version}</version>
+    </dependency>
+  </dependencies>
+
+</project>
diff --git a/embedded/client/src/main/java/examples/ClientWithDynamicConnection.java b/embedded/client/src/main/java/examples/ClientWithDynamicConnection.java
new file mode 100644
index 0000000..b32cf93
--- /dev/null
+++ b/embedded/client/src/main/java/examples/ClientWithDynamicConnection.java
@@ -0,0 +1,63 @@
+//
+// ========================================================================
+// Copyright (c) 1995 Mort Bay Consulting Pty Ltd and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
+// which is available at https://www.apache.org/licenses/LICENSE-2.0.
+//
+// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+// ========================================================================
+//
+
+package examples;
+
+import org.eclipse.jetty.client.HttpClient;
+import org.eclipse.jetty.client.api.ContentResponse;
+import org.eclipse.jetty.client.dynamic.HttpClientTransportDynamic;
+import org.eclipse.jetty.client.http.HttpClientConnectionFactory;
+import org.eclipse.jetty.http2.client.HTTP2Client;
+import org.eclipse.jetty.http2.client.http.ClientConnectionFactoryOverHTTP2;
+import org.eclipse.jetty.io.ClientConnectionFactory;
+import org.eclipse.jetty.io.ClientConnector;
+import org.eclipse.jetty.util.ssl.SslContextFactory;
+
+/**
+ * Example of using a high level HttpClient to connect to a server that
+ * supports both HTTP/2 and HTTP/1.1, using TLSv1.3 only.
+ */
+public class ClientWithDynamicConnection
+{
+    public static void main(String[] args) throws Exception
+    {
+        SslContextFactory.Client sslContextFactory = new SslContextFactory.Client();
+        sslContextFactory.setIncludeProtocols("TLSv1.3");
+        ClientConnector clientConnector = new ClientConnector();
+        clientConnector.setSslContextFactory(sslContextFactory);
+
+        ClientConnectionFactory.Info h1 = HttpClientConnectionFactory.HTTP11;
+        HTTP2Client http2Client = new HTTP2Client(clientConnector);
+        ClientConnectionFactory.Info h2 = new ClientConnectionFactoryOverHTTP2.HTTP2(http2Client);
+        HttpClientTransportDynamic dynamicTransport = new HttpClientTransportDynamic(clientConnector, h1, h2);
+
+        HttpClient httpClient = new HttpClient(dynamicTransport);
+        try
+        {
+            httpClient.start();
+            // To see the SslContextFactory configuration, dump the client
+            System.out.printf("Dump of client: %s%n", httpClient.dump());
+            ContentResponse res = httpClient.GET("https://api.github.com/zen");
+            System.out.printf("response status: %d%n", res.getStatus());
+            res.getHeaders().forEach((field) ->
+            {
+                System.out.printf("response header [%s]: %s%n", field.getName(), field.getValue());
+            });
+            System.out.printf("response body: %s%n", res.getContentAsString());
+        }
+        finally
+        {
+            httpClient.stop();
+        }
+    }
+}
diff --git a/embedded/client/src/main/resources/jetty-logging.properties b/embedded/client/src/main/resources/jetty-logging.properties
new file mode 100644
index 0000000..047e1b0
--- /dev/null
+++ b/embedded/client/src/main/resources/jetty-logging.properties
@@ -0,0 +1,2 @@
+examples.LEVEL=DEBUG
+org.eclipse.jetty.LEVEL=INFO
\ No newline at end of file
diff --git a/embedded/pom.xml b/embedded/pom.xml
index 695a4f9..8d84827 100644
--- a/embedded/pom.xml
+++ b/embedded/pom.xml
@@ -13,6 +13,7 @@
   <name>Jetty Examples :: Jetty 9.4.x :: Embedded</name>
 
   <modules>
+    <module>client</module>
     <module>client-certificates</module>
     <module>compressed-encoding</module>
     <module>connectors</module>