DependencyPull Demo : Spring Properties « Spring « Java

Home
Java
1.2D Graphics GUI
2.3D
3.Advanced Graphics
4.Ant
5.Apache Common
6.Chart
7.Class
8.Collections Data Structure
9.Data Type
10.Database SQL JDBC
11.Design Pattern
12.Development Class
13.EJB3
14.Email
15.Event
16.File Input Output
17.Game
18.Generics
19.GWT
20.Hibernate
21.I18N
22.J2EE
23.J2ME
24.JDK 6
25.JNDI LDAP
26.JPA
27.JSP
28.JSTL
29.Language Basics
30.Network Protocol
31.PDF RTF
32.Reflection
33.Regular Expressions
34.Scripting
35.Security
36.Servlets
37.Spring
38.Swing Components
39.Swing JFC
40.SWT JFace Eclipse
41.Threads
42.Tiny Application
43.Velocity
44.Web Services SOA
45.XML
Java » Spring » Spring PropertiesScreenshots 
DependencyPull Demo

File: context.properties

source.(class)=SimpleMessageData
destination.(class)=StdoutMessageReporter
service.(class)=DefaultMessageService
service.source(ref)=source
service.destination(ref)=destination


File: Main.java

import org.springframework.beans.factory.support.BeanDefinitionReader;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.support.PropertiesBeanDefinitionReader;
import org.springframework.core.io.ClassPathResource;
import org.springframework.util.Assert;

public class Main {

  public static void main(String[] argsthrows Exception {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    BeanDefinitionReader reader = new PropertiesBeanDefinitionReader(bf);
    reader.loadBeanDefinitions(new ClassPathResource("context.properties"));

    MessageService service = (MessageServicebf.getBean("service");
    service.execute();

  }
}

class DependantComponent {
  private MessageService service;

  public DependantComponent(MessageService service) {
    Assert.notNull(service, "The 'service' argument must not be null.");
    this.service = service;
  }

  public void run() {
    this.service.execute();
  }
}

interface MessageService {

  void execute();

}

class DefaultMessageService implements MessageService {
  private MessageData source;

  private MessageReporter destination;

  public void execute() {
    this.destination.write(this.source.getMessage());
  }

  public void setSource(MessageData source) {
    this.source = source;
  }

  public void setDestination(MessageReporter destination) {
    this.destination = destination;
  }
}

interface MessageReporter {

  void write(String message);

}

interface MessageData {

  String getMessage();

}

class StdoutMessageReporter implements MessageReporter {

  public void write(String message) {
    System.out.println(message);
  }
}

class SimpleMessageData implements MessageData {
  private final String message;

  public SimpleMessageData() {
    this("Hello, world");
  }

  public SimpleMessageData(String message) {
    this.message = message;
  }

  public String getMessage() {
    return this.message;
  }
}




           
       
Spring-DependencyPullDemo.zip( 2,601 k)
Related examples in the same category
1.Spring Properties File Based Data Injection
2.Property File based Bean Injection
3.IOC With Properties File
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.