Deprecate hornetq support

Closes spring-projectsgh-6034

spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc

@@ -3898,6 +3898,9 @@ NOTE: You should not try and use Artemis and HornetQ and the same time.
 
 [[boot-features-hornetq]]
 ==== HornetQ support
+
+NOTE: HornetQ is deprecated in 1.4, consider migrating to <<boot-features-artemis,artemis>>
+
 Spring Boot can auto-configure a `ConnectionFactory` when it detects that HornetQ is
 available on the classpath. If the broker is present, an embedded broker is started and
 configured automatically (unless the mode property has been explicitly set). The supported

spring-boot-starters/spring-boot-starter-hornetq/pom.xml

@@ -7,8 +7,9 @@
 		<version>1.4.0.BUILD-SNAPSHOT</version>
 	</parent>
 	<artifactId>spring-boot-starter-hornetq</artifactId>
-	<name>Spring Boot HornetQ Starter</name>
-	<description>Starter for JMS messaging using HornetQ</description>
+	<name>spring-boot-starter-hornetq (DEPRECATED)</name>
+	<description>Starter for JMS messaging using HornetQ. Deprecated as of 1.4 in favor
+		of spring-boot-starter-artemis</description>
 	<url>http://projects.spring.io/spring-boot/</url>
 	<organization>
 		<name>Pivotal Software, Inc.</name>

spring-boot-starters/spring-boot-starter-hornetq/src/main/java/org/springframework/boot/starter/hornetq/HornetQStarterDeprecationWarningAutoConfiguration.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2012-2016 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 org.springframework.boot.starter.hornetq;
+
+import javax.annotation.PostConstruct;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * {@link EnableAutoConfiguration Auto-configuration} to print a deprecation warning about
+ * the starter.
+ *
+ * @author Stephane Nicoll
+ * @since 1.4.0
+ */
+@Configuration
+@Deprecated
+public class HornetQStarterDeprecationWarningAutoConfiguration {
+
+	private static final Log logger = LogFactory
+			.getLog(HornetQStarterDeprecationWarningAutoConfiguration.class);
+
+	@PostConstruct
+	public void logWarning() {
+		logger.warn("spring-boot-starter-hornetq is deprecated as of Spring Boot 1.4, "
+				+ "please migrate to spring-boot-starter-artemis");
+	}
+
+}

spring-boot-starters/spring-boot-starter-hornetq/src/main/resources/META-INF/spring.factories

@@ -0,0 +1,3 @@
+# Auto Configure
+org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
+org.springframework.boot.starter.hornetq.HornetQStarterDeprecationWarningAutoConfiguration