evolve(annotation): java code config - inner defined bean

spring-demo-annotations/src/com/luv2code/springdemo/SadFortuneService.java

@@ -0,0 +1,10 @@
+package com.luv2code.springdemo;
+
+public class SadFortuneService implements FortuneService {
+
+	@Override
+	public String getFortune() {
+		return "Today is totaly a sad day ...";
+	}
+
+}

spring-demo-annotations/src/com/luv2code/springdemo/SportConfig.java

@@ -1,11 +1,24 @@
 package com.luv2code.springdemo;
 
 
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
 
 @Configuration
 @ComponentScan("com.luv2code.springdemo")
 public class SportConfig {
 
+	// define bean for our sad fortune service
+	@Bean
+	public FortuneService sadFortuneService() {
+		return new SadFortuneService();
+	}
+
+	// define bean for an swim coach AND inject dependency
+	@Bean
+	public Coach swimCoach() {
+		return new SwimCoach(sadFortuneService());
+	}
+
 }

spring-demo-annotations/src/com/luv2code/springdemo/SwimCoach.java

@@ -0,0 +1,21 @@
+package com.luv2code.springdemo;
+
+public class SwimCoach implements Coach {
+
+	private FortuneService fortuneService;
+
+	public SwimCoach(FortuneService theFortuneService) {
+		fortuneService = theFortuneService;
+	}
+
+	@Override
+	public String getDailyWorkout() {
+		return "Swim 1000 meters as a warm up.";
+	}
+
+	@Override
+	public String getDailyFortune() {
+		return fortuneService.getFortune();
+	}
+
+}

spring-demo-annotations/src/com/luv2code/springdemo/SwimJavaConfigDemoApp.java

@@ -0,0 +1,27 @@
+package com.luv2code.springdemo;
+
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+
+public class SwimJavaConfigDemoApp {
+
+	public static void main(String[] args) {
+
+		// read spring config java class
+		AnnotationConfigApplicationContext ctx =
+			new AnnotationConfigApplicationContext(SportConfig.class);
+
+		// get the bean from spring container
+		Coach theCoach = ctx.getBean("swimCoach", Coach.class);
+
+		// call a method on the bean
+		System.out.println(theCoach.getDailyWorkout());
+
+		// call a method with dependency injection
+		System.out.println(theCoach.getDailyFortune());
+
+		// close the context
+		ctx.close();
+
+	}
+
+}