Revert "Code for Alessio Stalla's evaluation article (Different Types of Bean Injection in Spring)"
This reverts commit c174946f85.
This commit is contained in:
Alessio Stalla
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edf95fa48b
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package com.baeldung.typesofbeaninjection;
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import com.baeldung.typesofbeaninjection.domain.Engine;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.ComponentScan;
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import org.springframework.context.annotation.Configuration;
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@Configuration
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@ComponentScan("com.baeldung.typesofbeaninjection")
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public class Config {
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@Bean
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public Engine engine() {
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return new Engine("V8", 5);
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}
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}
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package com.baeldung.typesofbeaninjection.domain;
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public class Car {
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private Engine engine;
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public Car() {}
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public Car(Engine engine) {
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this.engine = engine;
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}
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public Engine getEngine() {
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return engine;
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}
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public void setEngine(Engine engine) {
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this.engine = engine;
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}
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@Override
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public String toString() {
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return String.format("Car with %s engine", engine);
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}
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}
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package com.baeldung.typesofbeaninjection.domain;
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public class Engine {
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private final String type;
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private final int volume;
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public Engine(String type, int volume) {
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this.type = type;
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this.volume = volume;
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}
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public String getType() {
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return type;
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}
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public int getVolume() {
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return volume;
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}
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@Override
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public String toString() {
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return String.format("%s %d", type, volume);
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}
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}
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package com.baeldung.typesofbeaninjection.domain.autowired.constructor;
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import com.baeldung.typesofbeaninjection.domain.Engine;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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@Component("car-autowired-by-constructor")
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public class Car {
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private Engine engine;
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public Car() {}
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@Autowired
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public Car(Engine engine) {
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this.engine = engine;
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}
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public Engine getEngine() {
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return engine;
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}
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public void setEngine(Engine engine) {
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this.engine = engine;
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}
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@Override
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public String toString() {
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return String.format("Car with %s engine", engine);
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}
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}
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package com.baeldung.typesofbeaninjection.domain.autowired.properties;
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import com.baeldung.typesofbeaninjection.domain.Engine;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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@Component("car-autowired-by-properties")
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public class Car {
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private Engine engine;
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public Car() {}
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public Car(Engine engine) {
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this.engine = engine;
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}
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public Engine getEngine() {
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return engine;
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}
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@Autowired
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public void setEngine(Engine engine) {
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this.engine = engine;
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}
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@Override
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public String toString() {
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return String.format("Car with %s engine", engine);
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}
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}
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns="http://www.springframework.org/schema/beans"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
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<bean name="engine" class="com.baeldung.typesofbeaninjection.domain.Engine">
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<constructor-arg value="V8" />
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<constructor-arg value="5" />
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</bean>
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<bean name="alices-car" class="com.baeldung.typesofbeaninjection.domain.Car">
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<constructor-arg ref="engine" />
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</bean>
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<bean name="bobs-car" class="com.baeldung.typesofbeaninjection.domain.Car">
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<property name="engine" ref="engine" />
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</bean>
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</beans>
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@ -1,58 +0,0 @@
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package com.baeldung.typesofbeaninjection;
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import com.baeldung.typesofbeaninjection.domain.Car;
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import com.baeldung.typesofbeaninjection.domain.Engine;
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import org.junit.Test;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.annotation.AnnotationConfigApplicationContext;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotNull;
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public class TypeOfBeanInjectionUnitTest {
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@Test
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public void whenConstructionInjectionInXML_thenCarHasEngine() {
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ApplicationContext applicationContext
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= new ClassPathXmlApplicationContext("/typesofbeaninjection-context.xml");
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Car car = applicationContext.getBean("alices-car", Car.class);
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checkEngine(car.getEngine());
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}
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@Test
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public void whenPropertyInjectionInXML_thenCarHasEngine() {
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ApplicationContext applicationContext
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= new ClassPathXmlApplicationContext("/typesofbeaninjection-context.xml");
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Car car = applicationContext.getBean("bobs-car", Car.class);
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checkEngine(car.getEngine());
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}
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@Test
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public void whenConstructionInjectionAnnotations_thenCarHasEngine() {
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ApplicationContext applicationContext = new AnnotationConfigApplicationContext(Config.class);
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com.baeldung.typesofbeaninjection.domain.autowired.constructor.Car car
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= applicationContext.getBean(com.baeldung.typesofbeaninjection.domain.autowired.constructor.Car.class);
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checkEngine(car.getEngine());
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}
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@Test
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public void whenPropertyInjectionAnnotations_thenCarHasEngine() {
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ApplicationContext applicationContext = new AnnotationConfigApplicationContext(Config.class);
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com.baeldung.typesofbeaninjection.domain.autowired.properties.Car car
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= applicationContext.getBean(com.baeldung.typesofbeaninjection.domain.autowired.properties.Car.class);
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checkEngine(car.getEngine());
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}
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private void checkEngine(Engine engine) {
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assertNotNull(engine);
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assertEquals("V8", engine.getType());
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assertEquals(5, engine.getVolume());
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}
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}
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