Knowledge Walls
J2EE Technologies Tutorial
Hyderabad, Andhra Pradesh, India
Injecting literal and bean values to properties using @Value annotation in Spring with Example
5854 Views
Hints 
Below is an example of "Injecting literal and bean values to properties using @Value annotation in Spring with Example"
Step.1 Start a Java Project with required jars 
  1. Open Eclipse
  2. Click on menu New -> Others
  3. In wizards type "Java Project" and Select "Java Project"
  4. Click Next
  5. Enter project name as "ValueAnnotationWithSpEL", then click Next
  6. Goto Libraries tab, then click on Add External JARs, then select Spring's 21 Framework Jars and commons-logging-1.1.jar.
  7. Click Finish.
Step.2 Project Explorer Preview 
bean-configuration.xml
<?xml version="1.0" encoding="UTF-8"?>
<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"
	xmlns:p="http://www.springframework.org/schema/p"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">
		
	<context:component-scan base-package="com.knowledgewalls" />
	<bean id="javaProperties" class="JavaProperties" />
	
</beans>
SpringRunner.java
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class SpringRunner {
	public static void main(String[] args) {
		ApplicationContext context = new ClassPathXmlApplicationContext("bean-configuration.xml");
		
		JavaProperties properties = (JavaProperties) context.getBean("javaProperties");
		System.out.println(properties.getAliasName()+"-"+properties.getRuntimeName());
	}
}
JavaProperties.java
import org.springframework.beans.factory.annotation.Value;

public class JavaProperties {
	private String aliasName;
	private String runtimeName;
	
	public String getAliasName() {
		return aliasName;
	}
	
	@Value("Cute Java")
	public void setAliasName(String aliasName) {
		this.aliasName = aliasName;
	}
	
	public String getRuntimeName() {
		return runtimeName;
	}
	
	@Value("#{systemProperties['java.runtime.name']}")
	public void setRuntimeName(String runtimeName) {
		this.runtimeName = runtimeName;
	}
}
Output 
Cute Java-Java(TM) SE Runtime Environment
Download as Zip 
Link to download
ValueAnnotationWithSpEL

Hints.
Click on File menu. then click "Download"
Best Lessons of "Spring 3.0 Examples"
Top lessons which are viewed more times.
  Copyright © 2014 Knowledge walls, All rights reserved
KnowledgeWalls
keep your tutorials and learnings with KnowledgeWalls. Don't lose your learnings hereafter. Save and revise it whenever required.
Click here for more details