Merge branch 'gh-1842'

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/SpringBootApplication.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2012-2014 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.autoconfigure;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * Indicates a {@link Configuration configuration} class that declares one or more
+ * {@link Bean @Bean} methods and also triggers {@link EnableAutoConfiguration
+ * auto-configuration} and {@link ComponentScan component scanning}. This is a convenience
+ * annotation that is equivalent to declaring {@code @Configuration},
+ * {@code @EnableAutoConfiguration} and {@code @ComponentScan}.
+ *
+ * @author Phillip Webb
+ * @since 1.2.0
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+@Inherited
+@Configuration
+@EnableAutoConfiguration
+@ComponentScan
+public @interface SpringBootApplication {
+
+}

spring-boot-cli/src/main/java/org/springframework/boot/cli/compiler/autoconfigure/SpringBootCompilerAutoConfiguration.java

@@ -94,8 +94,9 @@ public class SpringBootCompilerAutoConfiguration extends CompilerAutoConfigurati
 
 	private boolean hasEnableAutoConfigureAnnotation(ClassNode classNode) {
 		for (AnnotationNode node : classNode.getAnnotations()) {
-			if ("EnableAutoConfiguration".equals(node.getClassNode()
+			String name = node.getClassNode().getNameWithoutPackage();
-					.getNameWithoutPackage())) {
+			if ("EnableAutoConfiguration".equals(name)
+					|| "SpringBootApplication".equals(name)) {
 				return true;
 			}
 		}

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

@@ -1442,7 +1442,7 @@ and  http://hibernate.org/orm/documentation/[Hibernate] reference documentation.
 Traditionally, JPA '`Entity`' classes are specified in a `persistence.xml` file. With
 Spring Boot this file is not necessary and instead '`Entity Scanning`' is used. By
 default all packages below your main configuration class (the one annotated with
-`@EnableAutoConfiguration`) will be searched.
+`@EnableAutoConfiguration` or `@SpringBootApplication`) will be searched.
 
 Any classes annotated with `@Entity`, `@Embeddable` or `@MappedSuperclass` will be
 considered. A typical entity class would look something like this:
@@ -1511,7 +1511,8 @@ Spring Data repositories usually extend from the
 {spring-data-commons-javadoc}/repository/Repository.html[`Repository`] or
 {spring-data-commons-javadoc}/repository/CrudRepository.html[`CrudRepository`] interfaces. If you are using
 auto-configuration, repositories will be searched from the package containing your
-main configuration class (the one annotated with `@EnableAutoConfiguration`) down.
+main configuration class (the one annotated with `@EnableAutoConfiguration` or
+`@SpringBootApplication`) down.
 
 Here is a typical Spring Data repository:
 

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

@@ -550,6 +550,36 @@ as `final`, indicating that it cannot be subsequently changed.
 
 
 
+[[using-boot-using-springbootapplication-annotation]]
+== Using the @SpringBootApplication annotation
+Many Spring Boot developers always have their main class annotated with `@Configuration`,
+`@EnableAutoConfiguration` and `@ComponentScan`. Since these annotations are so frequently
+used together (especially if you follow the <<using-boot-structuring-your-code, best practices>>
+above), Spring Boot provides a convenient `@SpringBootApplication` alternative.
+
+The `@SpringBootApplication` annotation is equivalent to using `@Configuration`,
+`@EnableAutoConfiguration` and `@ComponentScan` with their default attributes:
+
+
+[source,java,indent=0]
+----
+	package com.example.myproject;
+
+	import org.springframework.boot.SpringApplication;
+	import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+	@SpringBootApplication // same as @Configuration @EnableAutoConfiguration @ComponentScan
+	public class Application {
+
+		public static void main(String[] args) {
+			SpringApplication.run(Application.class, args);
+		}
+
+	}
+----
+
+
+
 [[using-boot-running-your-application]]
 == Running your application
 One of the biggest advantages of packaging your application as jar and using an embedded

spring-boot-samples/spring-boot-sample-actuator-log4j/src/main/java/sample/actuator/log4j/SampleActuatorLog4JApplication.java

@@ -17,15 +17,9 @@
 package sample.actuator.log4j;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.boot.context.properties.EnableConfigurationProperties;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@EnableConfigurationProperties
-@ComponentScan
 public class SampleActuatorLog4JApplication {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-actuator-log4j2/src/main/java/sample/actuator/log4j2/SampleActuatorLog4J2Application.java

@@ -17,15 +17,9 @@
 package sample.actuator.log4j2;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.boot.context.properties.EnableConfigurationProperties;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@EnableConfigurationProperties
-@ComponentScan
 public class SampleActuatorLog4J2Application {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-actuator-noweb/src/main/java/sample/actuator/SampleActuatorNoWebApplication.java

@@ -17,15 +17,9 @@
 package sample.actuator;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.boot.context.properties.EnableConfigurationProperties;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@EnableConfigurationProperties
-@ComponentScan
 public class SampleActuatorNoWebApplication {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-actuator/src/main/java/sample/actuator/SampleActuatorApplication.java

@@ -19,15 +19,9 @@ package sample.actuator;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.actuate.health.Health;
 import org.springframework.boot.actuate.health.HealthIndicator;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.boot.context.properties.EnableConfigurationProperties;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@EnableConfigurationProperties
-@ComponentScan
 public class SampleActuatorApplication implements HealthIndicator {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-amqp/src/main/java/sample/amqp/SampleAmqpSimpleApplication.java

@@ -22,13 +22,11 @@ import org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer;
 import org.springframework.amqp.rabbit.listener.adapter.MessageListenerAdapter;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.scheduling.annotation.ScheduledAnnotationBeanPostProcessor;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
 public class SampleAmqpSimpleApplication {
 
 	@Autowired

spring-boot-samples/spring-boot-sample-aop/src/main/java/sample/aop/SampleAopApplication.java

@@ -19,15 +19,11 @@ package sample.aop;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
 import sample.aop.service.HelloWorldService;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleAopApplication implements CommandLineRunner {
 
 	// Simple example shows how an application can spy on itself with AOP

spring-boot-samples/spring-boot-sample-batch/src/main/java/sample/batch/SampleBatchApplication.java

@@ -27,14 +27,10 @@ import org.springframework.batch.core.step.tasklet.Tasklet;
 import org.springframework.batch.repeat.RepeatStatus;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 @EnableBatchProcessing
 public class SampleBatchApplication {
 

spring-boot-samples/spring-boot-sample-data-elasticsearch/src/main/java/sample/data/elasticsearch/SampleElasticsearchApplication.java

@@ -19,13 +19,9 @@ package sample.data.elasticsearch;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleElasticsearchApplication implements CommandLineRunner {
 
 	@Autowired

spring-boot-samples/spring-boot-sample-data-gemfire/src/main/java/sample/data/gemfire/SampleDataGemFireApplication.java

@@ -17,9 +17,7 @@
 package sample.data.gemfire;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.ImportResource;
 import org.springframework.data.gemfire.repository.config.EnableGemfireRepositories;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
@@ -31,10 +29,8 @@ import org.springframework.transaction.annotation.EnableTransactionManagement;
  *
  * @author John Blum
  */
-@Configuration
+@SpringBootApplication
 @ImportResource("/spring-data-gemfire-cache.xml")
-@ComponentScan
-@EnableAutoConfiguration
 @EnableGemfireRepositories
 @EnableTransactionManagement
 public class SampleDataGemFireApplication {

spring-boot-samples/spring-boot-sample-data-jpa/src/main/java/sample/data/jpa/SampleDataJpaApplication.java

@@ -17,13 +17,9 @@
 package sample.data.jpa;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@ComponentScan
-@EnableAutoConfiguration
 public class SampleDataJpaApplication {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-data-mongodb/src/main/java/sample/data/mongo/SampleMongoApplication.java

@@ -19,13 +19,9 @@ package sample.data.mongo;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleMongoApplication implements CommandLineRunner {
 
 	@Autowired
@@ -34,16 +30,16 @@ public class SampleMongoApplication implements CommandLineRunner {
 	@Override
 	public void run(String... args) throws Exception {
 
-		repository.deleteAll();
+		this.repository.deleteAll();
 
 		// save a couple of customers
-		repository.save(new Customer("Alice", "Smith"));
+		this.repository.save(new Customer("Alice", "Smith"));
-		repository.save(new Customer("Bob", "Smith"));
+		this.repository.save(new Customer("Bob", "Smith"));
 
 		// fetch all customers
 		System.out.println("Customers found with findAll():");
 		System.out.println("-------------------------------");
-		for (Customer customer : repository.findAll()) {
+		for (Customer customer : this.repository.findAll()) {
 			System.out.println(customer);
 		}
 		System.out.println();
@@ -51,11 +47,11 @@ public class SampleMongoApplication implements CommandLineRunner {
 		// fetch an individual customer
 		System.out.println("Customer found with findByFirstName('Alice'):");
 		System.out.println("--------------------------------");
-		System.out.println(repository.findByFirstName("Alice"));
+		System.out.println(this.repository.findByFirstName("Alice"));
 
 		System.out.println("Customers found with findByLastName('Smith'):");
 		System.out.println("--------------------------------");
-		for (Customer customer : repository.findByLastName("Smith")) {
+		for (Customer customer : this.repository.findByLastName("Smith")) {
 			System.out.println(customer);
 		}
 

spring-boot-samples/spring-boot-sample-data-redis/src/main/java/sample/data/redis/SampleRedisApplication.java

@@ -19,13 +19,11 @@ package sample.data.redis;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.data.redis.core.ValueOperations;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
 public class SampleRedisApplication implements CommandLineRunner {
 
 	@Autowired
@@ -33,9 +31,9 @@ public class SampleRedisApplication implements CommandLineRunner {
 
 	@Override
 	public void run(String... args) throws Exception {
-		ValueOperations<String, String> ops = template.opsForValue();
+		ValueOperations<String, String> ops = this.template.opsForValue();
 		String key = "spring.boot.redis.test";
-		if (!template.hasKey(key)) {
+		if (!this.template.hasKey(key)) {
 			ops.set(key, "foo");
 		}
 		System.out.println("Found key " + key + ", value=" + ops.get(key));

spring-boot-samples/spring-boot-sample-data-rest/src/main/java/sample/data/jpa/SampleDataRestApplication.java

@@ -17,13 +17,9 @@
 package sample.data.jpa;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@ComponentScan
-@EnableAutoConfiguration
 public class SampleDataRestApplication {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-data-solr/src/main/java/sample/data/solr/SampleSolrApplication.java

@@ -19,13 +19,9 @@ package sample.data.solr;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleSolrApplication implements CommandLineRunner {
 
 	@Autowired

spring-boot-samples/spring-boot-sample-flyway/src/main/java/sample/flyway/SampleFlywayApplication.java

@@ -23,15 +23,11 @@ import javax.persistence.Id;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.data.repository.CrudRepository;
 import org.springframework.stereotype.Repository;
 
-@Configuration
+@SpringBootApplication
-@ComponentScan
-@EnableAutoConfiguration
 public class SampleFlywayApplication implements CommandLineRunner {
 
 	@Autowired

spring-boot-samples/spring-boot-sample-hornetq/src/main/java/sample/hornetq/SampleHornetQApplication.java

@@ -23,16 +23,12 @@ import javax.jms.MessageListener;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.jms.listener.DefaultMessageListenerContainer;
 import org.springframework.scheduling.annotation.ScheduledAnnotationBeanPostProcessor;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleHornetQApplication {
 
 	@Autowired

spring-boot-samples/spring-boot-sample-integration/src/main/java/sample/integration/SampleIntegrationApplication.java

@@ -17,16 +17,12 @@
 package sample.integration;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.ImportResource;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
 @EnableConfigurationProperties(ServiceProperties.class)
-@ComponentScan
 @ImportResource("integration-context.xml")
 public class SampleIntegrationApplication {
 

spring-boot-samples/spring-boot-sample-jersey/src/main/java/sample/jersey/SampleJerseyApplication.java

@@ -16,13 +16,11 @@
 
 package sample.jersey;
 
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.boot.context.web.SpringBootServletInitializer;
-import org.springframework.context.annotation.ComponentScan;
 
-@ComponentScan
+@SpringBootApplication
-@EnableAutoConfiguration
 public class SampleJerseyApplication extends SpringBootServletInitializer {
 
 	@Override

spring-boot-samples/spring-boot-sample-jersey1/src/main/java/sample/jersey1/SampleJersey1Application.java

@@ -20,19 +20,15 @@ import javax.ws.rs.GET;
 import javax.ws.rs.Path;
 import javax.ws.rs.Produces;
 
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.boot.context.embedded.FilterRegistrationBean;
 import org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory;
 import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
 import com.sun.jersey.spi.container.servlet.ServletContainer;
 
-@Configuration
+@SpringBootApplication
-@ComponentScan
-@EnableAutoConfiguration
 @Path("/")
 public class SampleJersey1Application {
 

spring-boot-samples/spring-boot-sample-jetty/src/main/java/sample/jetty/SampleJettyApplication.java

@@ -17,13 +17,9 @@
 package sample.jetty;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleJettyApplication {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-jetty8/src/main/java/sample/jetty/SampleJetty8Application.java

@@ -17,13 +17,9 @@
 package sample.jetty;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleJetty8Application {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-jta-atomikos/src/main/java/sample/atomikos/SampleAtomikosApplication.java

@@ -19,14 +19,10 @@ package sample.atomikos;
 import java.io.Closeable;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.ApplicationContext;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@ComponentScan
-@EnableAutoConfiguration
 public class SampleAtomikosApplication {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-jta-bitronix/src/main/java/sample/bitronix/SampleBitronixApplication.java

@@ -19,14 +19,10 @@ package sample.bitronix;
 import java.io.Closeable;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.ApplicationContext;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@ComponentScan
-@EnableAutoConfiguration
 public class SampleBitronixApplication {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-jta-jndi/src/main/java/sample/jndi/SampleJndiApplication.java

@@ -16,13 +16,9 @@
 
 package sample.jndi;
 
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleJndiApplication {
 
 }

spring-boot-samples/spring-boot-sample-liquibase/src/main/java/sample/liquibase/SampleLiquibaseApplication.java

@@ -17,13 +17,9 @@
 package sample.liquibase;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@ComponentScan
-@EnableAutoConfiguration
 public class SampleLiquibaseApplication {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-parent-context/src/main/java/sample/parent/SampleParentContextApplication.java

@@ -17,16 +17,13 @@
 package sample.parent;
 
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.ImportResource;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
 @EnableConfigurationProperties(ServiceProperties.class)
-@ComponentScan
 public class SampleParentContextApplication {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-profile/src/main/java/sample/profile/SampleProfileApplication.java

@@ -19,15 +19,11 @@ package sample.profile;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
 import sample.profile.service.MessageService;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleProfileApplication implements CommandLineRunner {
 
 	// Simple example shows how a command line spring application can execute an

spring-boot-samples/spring-boot-sample-simple/src/main/java/sample/simple/SampleSimpleApplication.java

@@ -19,15 +19,11 @@ package sample.simple;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
 import sample.simple.service.HelloWorldService;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleSimpleApplication implements CommandLineRunner {
 
 	// Simple example shows how a command line spring application can execute an

spring-boot-samples/spring-boot-sample-tomcat-jsp/src/main/java/sample/jsp/SampleTomcatJspApplication.java

@@ -17,15 +17,11 @@
 package sample.jsp;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.boot.context.web.SpringBootServletInitializer;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleTomcatJspApplication extends SpringBootServletInitializer {
 
 	@Override

spring-boot-samples/spring-boot-sample-tomcat-multi-connectors/src/main/java/sample/tomcat/SampleTomcatTwoConnectorsApplication.java

@@ -23,12 +23,10 @@ import java.io.IOException;
 import org.apache.catalina.connector.Connector;
 import org.apache.coyote.http11.Http11NioProtocol;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.context.embedded.EmbeddedServletContainerFactory;
 import org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory;
 import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.util.FileCopyUtils;
 import org.springframework.util.SocketUtils;
@@ -38,9 +36,7 @@ import org.springframework.util.SocketUtils;
  *
  * @author Brock Mills
  */
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleTomcatTwoConnectorsApplication {
 
 	@Bean

spring-boot-samples/spring-boot-sample-tomcat-ssl/src/main/java/sample/tomcat/SampleTomcatSslApplication.java

@@ -17,15 +17,9 @@
 package sample.tomcat;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.boot.context.properties.EnableConfigurationProperties;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@ComponentScan
+@SpringBootApplication
-@Configuration
-@EnableAutoConfiguration
-@EnableConfigurationProperties
 public class SampleTomcatSslApplication {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-tomcat/src/main/java/sample/tomcat/SampleTomcatApplication.java

@@ -22,14 +22,10 @@ import javax.servlet.ServletContextListener;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleTomcatApplication {
 
 	private static Log logger = LogFactory.getLog(SampleTomcatApplication.class);

spring-boot-samples/spring-boot-sample-tomcat7-jsp/src/main/java/sample/jsp/SampleTomcat7JspApplication.java

@@ -17,15 +17,11 @@
 package sample.jsp;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.boot.context.web.SpringBootServletInitializer;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleTomcat7JspApplication extends SpringBootServletInitializer {
 
 	@Override

spring-boot-samples/spring-boot-sample-traditional/src/main/java/sample/traditional/SampleTraditionalApplication.java

@@ -17,13 +17,9 @@
 package sample.traditional;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleTraditionalApplication {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-velocity/src/main/java/sample/velocity/SampleVelocityApplication.java

@@ -25,14 +25,10 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.ui.velocity.VelocityEngineUtils;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleVelocityApplication implements CommandLineRunner {
 
 	@Value("${application.message}")

spring-boot-samples/spring-boot-sample-web-freemarker/src/main/java/sample/freemarker/SampleWebFreeMarkerApplication.java

@@ -17,13 +17,9 @@
 package sample.freemarker;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleWebFreeMarkerApplication {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-web-groovy-templates/src/main/java/sample/ui/SampleGroovyTemplateApplication.java

@@ -17,15 +17,11 @@
 package sample.ui;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.core.convert.converter.Converter;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleGroovyTemplateApplication {
 
 	@Bean

spring-boot-samples/spring-boot-sample-web-jsp/src/main/java/sample/jsp/SampleWebJspApplication.java

@@ -17,15 +17,11 @@
 package sample.jsp;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.boot.context.web.SpringBootServletInitializer;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleWebJspApplication extends SpringBootServletInitializer {
 
 	@Override

spring-boot-samples/spring-boot-sample-web-static/src/main/java/sample/ui/SampleWebStaticApplication.java

@@ -17,13 +17,11 @@
 package sample.ui;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.boot.context.web.SpringBootServletInitializer;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
 public class SampleWebStaticApplication extends SpringBootServletInitializer {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-web-ui/src/main/java/sample/ui/SampleWebUiApplication.java

@@ -17,15 +17,11 @@
 package sample.ui;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.core.convert.converter.Converter;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleWebUiApplication {
 
 	@Bean

spring-boot-samples/spring-boot-sample-web-velocity/src/main/java/sample/velocity/SampleWebVelocityApplication.java

@@ -17,13 +17,9 @@
 package sample.velocity;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleWebVelocityApplication {
 
 	public static void main(String[] args) throws Exception {

spring-boot-samples/spring-boot-sample-websocket/src/main/java/samples/websocket/config/SampleWebSocketsApplication.java

@@ -17,11 +17,10 @@
 package samples.websocket.config;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.boot.context.web.SpringBootServletInitializer;
 import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.web.socket.WebSocketHandler;
 import org.springframework.web.socket.config.annotation.EnableWebSocket;
 import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
@@ -35,8 +34,7 @@ import samples.websocket.echo.EchoService;
 import samples.websocket.echo.EchoWebSocketHandler;
 import samples.websocket.snake.SnakeWebSocketHandler;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
 @EnableWebSocket
 public class SampleWebSocketsApplication extends SpringBootServletInitializer implements
 		WebSocketConfigurer {

spring-boot-samples/spring-boot-sample-ws/src/main/java/sample/ws/SampleWsApplication.java

@@ -17,13 +17,9 @@
 package sample.ws;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
 
-@Configuration
+@SpringBootApplication
-@EnableAutoConfiguration
-@ComponentScan
 public class SampleWsApplication {
 
 	public static void main(String[] args) throws Exception {