//File: beans.xml


<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<bean id="provider" class="HelloWorldModel">
<constructor-arg>
<value>This is a configurable message</value>
</constructor-arg>
</bean>

<bean id="renderer" class="StandardOutView">
<property name="model">
<ref local="provider"/>
</property>
</bean>
</beans>

///////////////////////////////////////////////////////////////////////////////////////

public interface Model {

public String getMessage();
}


///////////////////////////////////////////////////////////////////////////////////////

public interface View {

public void render();

public void setModel(Model m);
public Model getModel();
}


///////////////////////////////////////////////////////////////////////////////////////

public class StandardOutView implements View {

private Model model = null;

public void render() {
if (model == null) {
throw new RuntimeException(
"You must set the property model of class:"
+ StandardOutView.class.getName());
}

System.out.println(model.getMessage());
}

public void setModel(Model m) {
this.model = m;
}

public Model getModel() {
return this.model;
}

}
///////////////////////////////////////////////////////////////////////////////////////


public class HelloWorldModel implements Model {
String mess;

public HelloWorldModel(String m){
mess = m;
}


public String getMessage() {

return mess;
}

}
///////////////////////////////////////////////////////////////////////////////////////

import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.FileSystemResource;

public class HelloWorldXmlWithDI {

public static void main(String[] args) throws Exception {

// get the bean factory
BeanFactory factory = getBeanFactory();
View mr = (View) factory.getBean("renderer");
mr.render();
}

private static BeanFactory getBeanFactory() throws Exception {
// get the bean factory
BeanFactory factory = new XmlBeanFactory(new FileSystemResource(
"build/beans.xml"));

return factory;
}
}