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pom.xml
Address.java
Employee.java
applicationContext.xml
App.java
Output
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Github Link:
https://github.com/ramram43210/javaee/tree/master/Spring_2018/SpringDemo_AutowiredAnnotationBeanPostProcessor
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https://www.youtube.com/watch?v=_OCzBIVFSEI&list=UUhwKlOVR041tngjerWxVccw
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Spring Auto-Wiring Beans with @Autowired annotation[AutowiredAnnotationBeanPostProcessor] |
Spring Auto-Wiring Beans with @Autowired annotation[AutowiredAnnotationBeanPostProcessor] |
Spring Auto-Wiring Beans with @Autowired annotation[AutowiredAnnotationBeanPostProcessor] |
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0%20http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.ram.core</groupId>
<artifactId>SpringDemo</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>SpringDemo</name>
<url>http://maven.apache.org</url>
<properties>
<spring.version>5.0.2.RELEASE</spring.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<!-- Spring 5 dependencies -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
</dependencies>
</project>
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0%20http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.ram.core</groupId>
<artifactId>SpringDemo</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>SpringDemo</name>
<url>http://maven.apache.org</url>
<properties>
<spring.version>5.0.2.RELEASE</spring.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<!-- Spring 5 dependencies -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
</dependencies>
</project>
Address.java
package com.ram.model;
public class Address
{
private String city;
private String state;
private String country;
public Address(String city, String state, String country)
{
this.city = city;
this.state = state;
this.country = country;
}
@Override
public String toString()
{
return "Address [city=" + city + ", state=" + state + ", country="
+ country + "]";
}
}
public class Address
{
private String city;
private String state;
private String country;
public Address(String city, String state, String country)
{
this.city = city;
this.state = state;
this.country = country;
}
@Override
public String toString()
{
return "Address [city=" + city + ", state=" + state + ", country="
+ country + "]";
}
}
Employee.java
package com.ram.model;
import org.springframework.beans.factory.annotation.Autowired;
public class Employee
{
private String name;
@Autowired
private Address address;
public Employee(String name)
{
System.out.println("Employee(String name) constructor "
+ "is called by the Spring container");
this.name = name;
}
public void displayEmployeeDetails()
{
System.out.println(
"Employee [name=" + name + ", address=" + address + "]");
}
}
import org.springframework.beans.factory.annotation.Autowired;
public class Employee
{
private String name;
@Autowired
private Address address;
public Employee(String name)
{
System.out.println("Employee(String name) constructor "
+ "is called by the Spring container");
this.name = name;
}
public void displayEmployeeDetails()
{
System.out.println(
"Employee [name=" + name + ", address=" + address + "]");
}
}
applicationContext.xml
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.3.xsd">
<bean
class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor" />
<bean id="address" class="com.ram.model.Address">
<constructor-arg value="Chennai"></constructor-arg>
<constructor-arg value="Tamil Nadu"></constructor-arg>
<constructor-arg value="India"></constructor-arg>
</bean>
<bean id="employee" class="com.ram.model.Employee">
<constructor-arg value="Peter"></constructor-arg>
</bean>
</beans>
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.3.xsd">
<bean
class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor" />
<bean id="address" class="com.ram.model.Address">
<constructor-arg value="Chennai"></constructor-arg>
<constructor-arg value="Tamil Nadu"></constructor-arg>
<constructor-arg value="India"></constructor-arg>
</bean>
<bean id="employee" class="com.ram.model.Employee">
<constructor-arg value="Peter"></constructor-arg>
</bean>
</beans>
App.java
package com.ram.core;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.ram.model.Employee;
public class App
{
public static void main(String[] args)
{
ApplicationContext context = new ClassPathXmlApplicationContext(
"applicationContext.xml");
System.out.println("---------------------------------------");
Employee employee = (Employee) context.getBean("employee");
System.out.println(
"Got employee object from the ApplicationContext[Spring Container]");
employee.displayEmployeeDetails();
}
}
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.ram.model.Employee;
public class App
{
public static void main(String[] args)
{
ApplicationContext context = new ClassPathXmlApplicationContext(
"applicationContext.xml");
System.out.println("---------------------------------------");
Employee employee = (Employee) context.getBean("employee");
System.out.println(
"Got employee object from the ApplicationContext[Spring Container]");
employee.displayEmployeeDetails();
}
}
Output
Aug 17, 2018 10:15:46 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@5b37e0d2: startup date [Fri Aug 17 10:15:46 IST 2018]; root of context hierarchy
Aug 17, 2018 10:15:47 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
Employee(String name) constructor is called by the Spring container
---------------------------------------
Got employee object from the ApplicationContext[Spring Container]
Employee [name=Peter, address=Address [city=Chennai, state=Tamil Nadu, country=India]]
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@5b37e0d2: startup date [Fri Aug 17 10:15:46 IST 2018]; root of context hierarchy
Aug 17, 2018 10:15:47 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
Employee(String name) constructor is called by the Spring container
---------------------------------------
Got employee object from the ApplicationContext[Spring Container]
Employee [name=Peter, address=Address [city=Chennai, state=Tamil Nadu, country=India]]
Click the below link to download the code:
https://sites.google.com/site/ramj2eev2/java_basics/SpringDemo_AutowiredAnnotationBeanPostProcessor.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/javaee/tree/master/Spring_2018/SpringDemo_AutowiredAnnotationBeanPostProcessor
Bitbucket Link:
https://bitbucket.org/ramram43210/spring/src/32e1a08cd31cd492b211ed76e0174200305d8672/Spring_2018/SpringDemo_AutowiredAnnotationBeanPostProcessor/?at=master
See also:
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