Fast forward existing prototype work

spring-bootstrap-samples/spring-bootstrap-simple-sample/src/main/java/org/springframework/bootstrap/sample/simple/SimpleBootstrapApplication.java

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+package org.springframework.bootstrap.sample.simple;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.bootstrap.CommandLineRunner;
+import org.springframework.bootstrap.SpringApplication;
+import org.springframework.bootstrap.context.annotation.EnableAutoConfiguration;
+import org.springframework.bootstrap.sample.simple.service.HelloWorldService;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@EnableAutoConfiguration
+@ComponentScan
+public class SimpleBootstrapApplication implements CommandLineRunner {
+
+	// Simple example shows how a command line spring application can execute an
+	// injected bean service. Also demonstrates how you can use @Value to inject
+	// command line args ('--name=whatever') or application properties
+
+	@Autowired
+	private HelloWorldService helloWorldService;
+
+	@Override
+	public void run(String... args) {
+		System.out.println(this.helloWorldService.getHelloMessage());
+	}
+
+	public static void main(String[] args) throws Exception {
+		SpringApplication.run(SimpleBootstrapApplication.class, args);
+	}
+}

spring-bootstrap-samples/spring-bootstrap-simple-sample/src/main/java/org/springframework/bootstrap/sample/simple/service/HelloWorldService.java

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+package org.springframework.bootstrap.sample.simple.service;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+@Component
+public class HelloWorldService {
+
+	@Value("${name:World}")
+	private String name;
+
+	public String getHelloMessage() {
+		return "Hello " + name;
+	}
+
+}

spring-bootstrap-samples/spring-bootstrap-simple-sample/src/main/resources/application.properties

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+name: Phil

spring-bootstrap-samples/spring-bootstrap-simple-sample/src/test/java/org/springframework/bootstrap/sample/simple/SimpleBootstrapApplicationTests.java

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+package org.springframework.bootstrap.sample.simple;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import static org.junit.Assert.assertTrue;
+
+public class SimpleBootstrapApplicationTests {
+
+	private static PrintStream savedOutput;
+	private static ByteArrayOutputStream output;
+	private String profiles;
+
+	@BeforeClass
+	public static void init() {
+		savedOutput = System.out;
+		output = new ByteArrayOutputStream();
+		System.setOut(new PrintStream(output));
+	}
+
+	@Before
+	public void before() {
+		this.profiles = System.getProperty("spring.profiles.active");
+	}
+
+	@After
+	public void after() {
+		if (this.profiles != null) {
+			System.setProperty("spring.profiles.active", this.profiles);
+		} else {
+			System.clearProperty("spring.profiles.active");
+		}
+	}
+
+	@AfterClass
+	public static void clear() {
+		System.setOut(savedOutput);
+	}
+
+	private static String getOutput() {
+		return output.toString();
+	}
+
+	@Test
+	public void testDefaultSettings() throws Exception {
+		SimpleBootstrapApplication.main(new String[0]);
+		String output = getOutput();
+		assertTrue("Wrong output: " + output, output.contains("Hello Phil"));
+	}
+
+	@Test
+	public void testCommandLoneOverrides() throws Exception {
+		SimpleBootstrapApplication.main(new String[] { "--name=Gordon" });
+		String output = getOutput();
+		assertTrue("Wrong output: " + output, output.contains("Hello Gordon"));
+	}
+
+}