Provide working sample for Tomcat using HTTP/2

Author: pvorb

spring-boot-samples/pom.xml

@@ -81,6 +81,7 @@
 		<module>spring-boot-sample-tomcat</module>
 		<module>spring-boot-sample-tomcat-jsp</module>
 		<module>spring-boot-sample-tomcat-ssl</module>
+		<module>spring-boot-sample-tomcat-http2</module>
 		<module>spring-boot-sample-tomcat-multi-connectors</module>
 		<module>spring-boot-sample-traditional</module>
 		<module>spring-boot-sample-undertow</module>

spring-boot-samples/spring-boot-sample-tomcat-http2/pom.xml

@@ -0,0 +1,58 @@
+<?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/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<!-- Your own application should inherit from spring-boot-starter-parent -->
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-samples</artifactId>
+		<version>2.0.0.BUILD-SNAPSHOT</version>
+	</parent>
+	<artifactId>spring-boot-sample-tomcat-http2</artifactId>
+	<name>Spring Boot Tomcat HTTP/2 Sample</name>
+	<description>Spring Boot Tomcat HTTP/2 Sample</description>
+	<url>http://projects.spring.io/spring-boot/</url>
+	<organization>
+		<name>Pivotal Software, Inc.</name>
+		<url>http://www.spring.io</url>
+	</organization>
+	<properties>
+		<main.basedir>${basedir}/../..</main.basedir>
+	</properties>
+	<dependencies>
+		<!-- Compile -->
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-tomcat</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-webmvc</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.httpcomponents</groupId>
+			<artifactId>httpclient</artifactId>
+		</dependency>
+		<!-- Test -->
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.yaml</groupId>
+			<artifactId>snakeyaml</artifactId>
+		</dependency>
+	</dependencies>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+</project>

spring-boot-samples/spring-boot-sample-tomcat-http2/src/main/java/sample/tomcat/http2/SampleTomcatHttp2Application.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2012-2017 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
+ *
+ *      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.
+ */
+
+package sample.tomcat.http2;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@SpringBootApplication
+@RestController
+public class SampleTomcatHttp2Application {
+
+	public static void main(String[] args) throws Exception {
+		SpringApplication.run(SampleTomcatHttp2Application.class, args);
+	}
+
+	@GetMapping("/")
+	public String helloWorld() {
+		return "Hello, world";
+	}
+
+}

spring-boot-samples/spring-boot-sample-tomcat-http2/src/main/resources/application.properties

@@ -0,0 +1,5 @@
+server.port = 8443
+server.http2.enabled = true
+server.ssl.key-store = classpath:sample.jks
+server.ssl.key-store-password = secret
+server.ssl.key-password = password

spring-boot-samples/spring-boot-sample-tomcat-http2/src/main/resources/sample.jks

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2012-2017 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
+ *
+ *      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.
+ */
+
+package sample.tomcat.http2;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
+@DirtiesContext
+public class SampleTomcatHttp2ApplicationTests {
+
+	@Autowired
+	private TestRestTemplate restTemplate;
+
+	@Test
+	public void testHome() throws Exception {
+		ResponseEntity<String> entity = this.restTemplate.getForEntity("/", String.class);
+		assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);
+		assertThat(entity.getBody()).isEqualTo("Hello, world");
+	}
+
+}