Update to springframeworkguru#96

src/main/java/guru/springframework/sfgdi/SfgDiApplication.java

@@ -1,6 +1,7 @@
 package guru.springframework.sfgdi;
 
 import guru.springframework.sfgdi.config.SfgConfiguration;
+import guru.springframework.sfgdi.config.SfgConstructorConfig;
 import guru.springframework.sfgdi.controllers.*;
 import guru.springframework.sfgdi.datasource.FakeDataSource;
 import guru.springframework.sfgdi.services.PrototypeBean;
@@ -62,6 +63,12 @@ public static void main(String[] args) {
 		System.out.println(sfgConfiguration.getUsername());
 		System.out.println(sfgConfiguration.getPassword());
 		System.out.println(sfgConfiguration.getJdbcurl());
+
+		System.out.println("---------- Constructor Binding");
+		SfgConstructorConfig sfgConstructorConfig = ctx.getBean(SfgConstructorConfig.class);
+		System.out.println(sfgConstructorConfig.getUsername());
+		System.out.println(sfgConstructorConfig.getPassword());
+		System.out.println(sfgConstructorConfig.getJdbcurl());
 	}
 
 }

src/main/java/guru/springframework/sfgdi/config/GreetingServiceConfig.java

@@ -6,18 +6,20 @@
 import guru.springframework.sfgdi.repositories.EnglishGreetingRepository;
 import guru.springframework.sfgdi.repositories.EnglishGreetingRepositoryImpl;
 import guru.springframework.sfgdi.services.*;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.*;
 
+@EnableConfigurationProperties(SfgConstructorConfig.class)
 @ImportResource("classpath:sfgdi-config.xml")
 @Configuration
 public class GreetingServiceConfig {
 
 	@Bean
-	FakeDataSource fakeDataSource(SfgConfiguration sfgConfiguration) {
+	FakeDataSource fakeDataSource(SfgConstructorConfig sfgConstructorConfig) {
 		FakeDataSource fakeDataSource = new FakeDataSource();
-		fakeDataSource.setUsername(sfgConfiguration.getUsername());
-		fakeDataSource.setPassword(sfgConfiguration.getPassword());
-		fakeDataSource.setJdbcurl(sfgConfiguration.getJdbcurl());
+		fakeDataSource.setUsername(sfgConstructorConfig.getUsername());
+		fakeDataSource.setPassword(sfgConstructorConfig.getPassword());
+		fakeDataSource.setJdbcurl(sfgConstructorConfig.getJdbcurl());
 		return fakeDataSource;
 	}
 

src/main/java/guru/springframework/sfgdi/config/SfgConstructorConfig.java

@@ -0,0 +1,30 @@
+package guru.springframework.sfgdi.config;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.context.properties.ConstructorBinding;
+
+@ConstructorBinding
+@ConfigurationProperties("guru")
+public class SfgConstructorConfig {
+	private final String username;
+	private final String password;
+	private final String jdbcurl;
+
+	public SfgConstructorConfig(String username, String password, String jdbcurl) {
+		this.username = username;
+		this.password = password;
+		this.jdbcurl = jdbcurl;
+	}
+
+	public String getUsername() {
+		return username;
+	}
+
+	public String getPassword() {
+		return password;
+	}
+
+	public String getJdbcurl() {
+		return jdbcurl;
+	}
+}