mindol1004/spring-boot-rest
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

JAVA-19555 Move articles from spring-core-5 module to spring-boot-annotations-2 module (#13711)

Browse Source 
* JAVA-19555 Move articles from spring-core-5 module to spring-boot-annotations-2 module

* JAVA-19555 Move articles from spring-core module to spring-boot-annotations-2 module
This commit is contained in:
anuragkumawat
2023-03-26 23:55:47 +05:30
committed by GitHub
parent eec8618a3d
commit c1f768e162
39 changed files with 9 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
spring-core-6/README.md
View File

@@ -1,6 +1,5 @@
### Relevant Articles:
- [Instantiating Multiple Beans of the Same Class with Spring Annotations](https://www.baeldung.com/spring-same-class-multiple-beans)
- [Using Environment Variables in Spring Boot’s application.properties](https://www.baeldung.com/spring-boot-properties-env-variables)
- [Reinitialize Singleton Bean in Spring Context](https://www.baeldung.com/spring-reinitialize-singleton-bean)
- [HTTP Interface in Spring 6](https://www.baeldung.com/spring-6-http-interface)

17
spring-core-6/src/main/java/com/baeldung/multibeaninstantiation/solution1/Person.java
View File

@@ -1,17 +0,0 @@
package com.baeldung.multibeaninstantiation.solution1;
public class Person {
private String firstName;
private String lastName;
public Person(String firstName, String secondName) {
super();
this.firstName = firstName;
this.lastName = secondName;
}
@Override
public String toString() {
return "Person [firstName=" + firstName + ", secondName=" + lastName + "]";
}
}

17
spring-core-6/src/main/java/com/baeldung/multibeaninstantiation/solution1/PersonConfig.java
View File

@@ -1,17 +0,0 @@
package com.baeldung.multibeaninstantiation.solution1;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class PersonConfig {
@Bean
public Person personOne() {
return new Person("Harold", "Finch");
}
@Bean
public Person personTwo() {
return new Person("John", "Reese");
}
}

11
spring-core-6/src/main/java/com/baeldung/multibeaninstantiation/solution1/SpringApp1.java
View File

@@ -1,11 +0,0 @@
package com.baeldung.multibeaninstantiation.solution1;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SpringApp1 {
public static void main(String[] args) {
SpringApplication.run(SpringApp1.class, args);
}
}

17
spring-core-6/src/main/java/com/baeldung/multibeaninstantiation/solution2/Person.java
View File

@@ -1,17 +0,0 @@
package com.baeldung.multibeaninstantiation.solution2;
public class Person {
private String firstName;
private String lastName;
public Person(String firstName, String secondName) {
super();
this.firstName = firstName;
this.lastName = secondName;
}
@Override
public String toString() {
return "Person [firstName=" + firstName + ", secondName=" + lastName + "]";
}
}

10
spring-core-6/src/main/java/com/baeldung/multibeaninstantiation/solution2/PersonConfig.java
View File

@@ -1,10 +0,0 @@
package com.baeldung.multibeaninstantiation.solution2;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
@Configuration
@ComponentScan("com.baeldung.multibeaninstantiation.solution2")
public class PersonConfig {
}

13
spring-core-6/src/main/java/com/baeldung/multibeaninstantiation/solution2/PersonOne.java
View File

@@ -1,13 +0,0 @@
package com.baeldung.multibeaninstantiation.solution2;
import org.springframework.stereotype.Component;
import com.baeldung.multibeaninstantiation.solution2.Person;
@Component
public class PersonOne extends Person {
public PersonOne() {
super("Harold", "Finch");
}
}

13
spring-core-6/src/main/java/com/baeldung/multibeaninstantiation/solution2/PersonTwo.java
View File

@@ -1,13 +0,0 @@
package com.baeldung.multibeaninstantiation.solution2;
import org.springframework.stereotype.Component;
import com.baeldung.multibeaninstantiation.solution2.Person;
@Component
public class PersonTwo extends Person {
public PersonTwo() {
super("John", "Reese");
}
}

11
spring-core-6/src/main/java/com/baeldung/multibeaninstantiation/solution2/SpringApp2.java
View File

@@ -1,11 +0,0 @@
package com.baeldung.multibeaninstantiation.solution2;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SpringApp2 {
public static void main(String[] args) {
SpringApplication.run(SpringApp2.class, args);
}
}

33
spring-core-6/src/main/java/com/baeldung/multibeaninstantiation/solution3/Human.java
View File

@@ -1,33 +0,0 @@
package com.baeldung.multibeaninstantiation.solution3;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.Assert;
public class Human implements InitializingBean {
private Person personOne;
private Person personTwo;
@Override
public void afterPropertiesSet() throws Exception {
Assert.notNull(personOne, "Harold is alive!");
Assert.notNull(personTwo, "John is alive!");
}
/* Setter injection */
@Autowired
public void setPersonOne(Person personOne) {
this.personOne = personOne;
this.personOne.setFirstName("Harold");
this.personOne.setSecondName("Finch");
}
@Autowired
public void setPersonTwo(Person personTwo) {
this.personTwo = personTwo;
this.personTwo.setFirstName("John");
this.personTwo.setSecondName("Reese");
}
}

9
spring-core-6/src/main/java/com/baeldung/multibeaninstantiation/solution3/MultiBeanFactory.java
View File

@@ -1,9 +0,0 @@
package com.baeldung.multibeaninstantiation.solution3;
import java.util.List;
public interface MultiBeanFactory<T> {
List<T> getObject(String name) throws Exception;
Class<?> getObjectType();
}

49
spring-core-6/src/main/java/com/baeldung/multibeaninstantiation/solution3/Person.java
View File

@@ -1,49 +0,0 @@
package com.baeldung.multibeaninstantiation.solution3;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.annotation.Qualifier;
@Qualifier(value = "personOne, personTwo")
public class Person implements FactoryBean<Object> {
private String firstName;
private String secondName;
public Person() {
// initialization code (optional)
}
@Override
public Class<Person> getObjectType() {
return Person.class;
}
@Override
public Object getObject() throws Exception {
return new Person();
}
public boolean isSingleton() {
return true;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getSecondName() {
return secondName;
}
public void setSecondName(String secondName) {
this.secondName = secondName;
}
@Override
public String toString() {
return "Person [firstName=" + firstName + ", secondName=" + secondName + "]";
}
}

22
spring-core-6/src/main/java/com/baeldung/multibeaninstantiation/solution3/PersonConfig.java
View File

@@ -1,22 +0,0 @@
package com.baeldung.multibeaninstantiation.solution3;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class PersonConfig {
@Bean
public PersonFactoryPostProcessor PersonFactoryPostProcessor() {
return new PersonFactoryPostProcessor();
}
@Bean
public Person person() {
return new Person();
}
@Bean
public Human human() {
return new Human();
}
}

33
spring-core-6/src/main/java/com/baeldung/multibeaninstantiation/solution3/PersonFactoryPostProcessor.java
View File

@@ -1,33 +0,0 @@
package com.baeldung.multibeaninstantiation.solution3;
import java.util.Map;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
public class PersonFactoryPostProcessor implements BeanFactoryPostProcessor {
@Override
public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
Map<String, Object> map = beanFactory.getBeansWithAnnotation(Qualifier.class);
for (Map.Entry<String, Object> entry : map.entrySet()) {
createInstances(beanFactory, entry.getKey(), entry.getValue());
}
}
private void createInstances(ConfigurableListableBeanFactory beanFactory, String beanName, Object bean) {
Qualifier qualifier = bean.getClass()
.getAnnotation(Qualifier.class);
for (String name : extractNames(qualifier)) {
Object newBean = beanFactory.getBean(beanName);
beanFactory.registerSingleton(name.trim(), newBean);
}
}
private String[] extractNames(Qualifier qualifier) {
return qualifier.value()
.split(",");
}
}

11
spring-core-6/src/main/java/com/baeldung/multibeaninstantiation/solution3/SpringApp3.java
View File

@@ -1,11 +0,0 @@
package com.baeldung.multibeaninstantiation.solution3;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SpringApp3 {
public static void main(String[] args) {
SpringApplication.run(SpringApp3.class, args);
}
}