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Code for Dependency Injection Article.

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This commit is contained in:
iaforek 2017-03-13 19:27:14 +00:00
parent d32d3edcc9
commit 9e00c1cdff
2 changed files with 52 additions and 52 deletions
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62
spring-core/src/main/java/com/baeldung/constructordi/SpringRunner.java
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@ -1,31 +1,31 @@
package com.baeldung.constructordi;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.baeldung.constructordi.domain.Car;
public class SpringRunner {
public static void main(String[] args) {
Car toyota = getCarFromXml();
System.out.println(toyota);
toyota = getCarFromJavaConfig();
System.out.println(toyota);
}
private static Car getCarFromJavaConfig() {
ApplicationContext context = new AnnotationConfigApplicationContext(Config.class);
return context.getBean(Car.class);
}
private static Car getCarFromXml() {
ApplicationContext context = new ClassPathXmlApplicationContext("baeldung.xml");
return context.getBean(Car.class);
}
}
package com.baeldung.constructordi;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.baeldung.constructordi.domain.Car;
public class SpringRunner {
public static void main(String[] args) {
Car toyota = getCarFromXml();
System.out.println(toyota);
toyota = getCarFromJavaConfig();
System.out.println(toyota);
}
private static Car getCarFromJavaConfig() {
ApplicationContext context = new AnnotationConfigApplicationContext(Config.class);
return context.getBean(Car.class);
}
private static Car getCarFromXml() {
ApplicationContext context = new ClassPathXmlApplicationContext("constructordi.xml");
return context.getBean(Car.class);
}
}

42
spring-core/src/main/java/com/baeldung/constructordi/domain/Car.java
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@ -1,21 +1,21 @@
package com.baeldung.constructordi.domain;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@Component
public class Car {
private Engine engine;
private Transmission transmission;
@Autowired
public Car(Engine engine, Transmission transmission) {
this.engine = engine;
this.transmission = transmission;
}
@Override
public String toString() {
return String.format("Engine: %s Transmission: %s", engine, transmission);
}
}
package com.baeldung.constructordi.domain;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@Component
public class Car {
private Engine engine;
private Transmission transmission;
@Autowired
public Car(Engine engine, Transmission transmission) {
this.engine = engine;
this.transmission = transmission;
}
@Override
public String toString() {
return String.format("Engine: %s Transmission: %s", engine, transmission);
}
}