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pom.xml
Employee.java
ContextStartEventHandler.java
ContextStopEventHandler.java
applicationContext.xml
App.java
Output
Click the below link to download the code:
https://sites.google.com/site/ramj2eev2/java_basics/SpringDemo_Event%20Handling%20in%20Spring_Context_start_stop.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/javaee/tree/master/Spring_2018/SpringDemo_Event%20Handling%20in%20Spring_Context_start_stop
Bitbucket Link:
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https://www.youtube.com/watch?v=iI76k19IQsg&list=UUhwKlOVR041tngjerWxVccw
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Event handling in spring [ContextStartedEvent and ContextStoppedEvent] | Spring event handling |
Event handling in spring [ContextStartedEvent and ContextStoppedEvent] | Spring event handling |
Event handling in spring [ContextStartedEvent and ContextStoppedEvent] | Spring event handling |
Event handling in spring [ContextStartedEvent and ContextStoppedEvent] | Spring event handling |
Event handling in spring [ContextStartedEvent and ContextStoppedEvent] | Spring event handling |
pom.xml
<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>
Employee.java
package com.ram.model;
/**
* Spring bean
*
*/
public class Employee
{
private String name;
public void setName(String name)
{
this.name = name;
}
public void employeeDetails()
{
System.out.println("Employee Name = " + name);
}
}
/**
* Spring bean
*
*/
public class Employee
{
private String name;
public void setName(String name)
{
this.name = name;
}
public void employeeDetails()
{
System.out.println("Employee Name = " + name);
}
}
ContextStartEventHandler.java
package com.ram.eventhandler;
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextStartedEvent;
public class ContextStartEventHandler implements ApplicationListener<ContextStartedEvent>
{
public void onApplicationEvent(ContextStartedEvent event)
{
System.out.println("ContextStartedEvent Received = "+ event);
}
}
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextStartedEvent;
public class ContextStartEventHandler implements ApplicationListener<ContextStartedEvent>
{
public void onApplicationEvent(ContextStartedEvent event)
{
System.out.println("ContextStartedEvent Received = "+ event);
}
}
ContextStopEventHandler.java
package com.ram.eventhandler;
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextStoppedEvent;
public class ContextStopEventHandler implements ApplicationListener<ContextStoppedEvent>
{
public void onApplicationEvent(ContextStoppedEvent event)
{
System.out.println("ContextStoppedEvent Received = "+event);
}
}
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextStoppedEvent;
public class ContextStopEventHandler implements ApplicationListener<ContextStoppedEvent>
{
public void onApplicationEvent(ContextStoppedEvent event)
{
System.out.println("ContextStoppedEvent Received = "+event);
}
}
applicationContext.xml
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.3.xsd">
<bean id="employee" class="com.ram.model.Employee">
<property name="name" value="Peter" />
</bean>
<bean id="contextStartEventHandler" class="com.ram.eventhandler.ContextStartEventHandler" />
<bean id="contextStopEventHandler" class="com.ram.eventhandler.ContextStopEventHandler" />
</beans>
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.3.xsd">
<bean id="employee" class="com.ram.model.Employee">
<property name="name" value="Peter" />
</bean>
<bean id="contextStartEventHandler" class="com.ram.eventhandler.ContextStartEventHandler" />
<bean id="contextStopEventHandler" class="com.ram.eventhandler.ContextStopEventHandler" />
</beans>
App.java
package com.ram.core;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.ram.model.Employee;
public class App
{
public static void main(String[] args)
{
ConfigurableApplicationContext context = new ClassPathXmlApplicationContext(
"applicationContext.xml");
context.start();
System.out.println("---------------------------------------");
Employee employee = (Employee) context.getBean("employee");
System.out.println(
"Got employee object from the ApplicationContext(Spring Container)");
employee.employeeDetails();
System.out.println("---------------------------------------");
context.stop();
}
}
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.ram.model.Employee;
public class App
{
public static void main(String[] args)
{
ConfigurableApplicationContext context = new ClassPathXmlApplicationContext(
"applicationContext.xml");
context.start();
System.out.println("---------------------------------------");
Employee employee = (Employee) context.getBean("employee");
System.out.println(
"Got employee object from the ApplicationContext(Spring Container)");
employee.employeeDetails();
System.out.println("---------------------------------------");
context.stop();
}
}
Output
Aug 25, 2018 10:35:16 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@610694f1: startup date [Sat Aug 25 10:35:16 IST 2018]; root of context hierarchy
Aug 25, 2018 10:35:16 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
ContextStartedEvent Received = org.springframework.context.event.ContextStartedEvent[source=org.springframework.context.support.ClassPathXmlApplicationContext@610694f1: startup date [Sat Aug 25 10:35:16 IST 2018]; root of context hierarchy]
---------------------------------------
Got employee object from the ApplicationContext(Spring Container)
Employee Name = Peter
---------------------------------------
ContextStoppedEvent Received = org.springframework.context.event.ContextStoppedEvent[source=org.springframework.context.support.ClassPathXmlApplicationContext@610694f1: startup date [Sat Aug 25 10:35:16 IST 2018]; root of context hierarchy]
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@610694f1: startup date [Sat Aug 25 10:35:16 IST 2018]; root of context hierarchy
Aug 25, 2018 10:35:16 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
ContextStartedEvent Received = org.springframework.context.event.ContextStartedEvent[source=org.springframework.context.support.ClassPathXmlApplicationContext@610694f1: startup date [Sat Aug 25 10:35:16 IST 2018]; root of context hierarchy]
---------------------------------------
Got employee object from the ApplicationContext(Spring Container)
Employee Name = Peter
---------------------------------------
ContextStoppedEvent Received = org.springframework.context.event.ContextStoppedEvent[source=org.springframework.context.support.ClassPathXmlApplicationContext@610694f1: startup date [Sat Aug 25 10:35:16 IST 2018]; root of context hierarchy]
Click the below link to download the code:
https://sites.google.com/site/ramj2eev2/java_basics/SpringDemo_Event%20Handling%20in%20Spring_Context_start_stop.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/javaee/tree/master/Spring_2018/SpringDemo_Event%20Handling%20in%20Spring_Context_start_stop
Bitbucket Link:
https://bitbucket.org/ramram43210/spring/src/02e04aa1b68a77d4f5a01ebf111e80370bd99ca8/Spring_2018/SpringDemo_Event%20Handling%20in%20Spring_Context_start_stop/?at=master
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