Intro and Core Framework
Intro and Core Framework
Spring Framework
Spring Projects
Spring modules built on top of the core Spring Framework:
- Spring Boot
- Spring Cloud
- Spring Batch
- etc
Set Up
Requirements:
- JDK
- Java Application Server (i.e. Tomcat)
- Java Integrated Development Environment (IDE)
- Spring 5 JAR files (download manually or use Maven)
XML Configuration File
Configure Spring Container with an XML file
- First we create the config file
<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.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
<!-- Define your beans here -->
<bean id="myCoach" class="com.luv2code.springdemo.TrackCoach"> </bean>
</beans>- Then we create the Spring container in our application:
package com.springdemo;
/** Class to create a spring container using xml files **/
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class MyApp {
public static void main(String[] args) {
// load the spring configuration file
ClassPathXmlApplicationContext context =
new ClassPathXmlApplicationContext("applicationContext.xml");
// retrieve bean from spring container by its id
Coach theCoach = context.getBean("myCoach", Coach.class);
// call methods on the bean
System.out.println(theCoach.getDailyWorkout());
// close the context
context.close();
}
}