userinfodemo2.java

来自「随书光盘：精通Sping 2.0 的随书源代码」· Java 代码 · 共 43 行

package test;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;

/**
 * 演示PropertyPlaceholderConfigurer的使用
 * 
 * @author worldheart
 * 
 */
public class UserInfoDemo2 {

	protected final static Log log = LogFactory.getLog(UserInfoDemo2.class);

	public static void main(String[] args) {
		
		Resource res = new ClassPathResource("applicationContext2.xml");
		
		ConfigurableListableBeanFactory bf = new XmlBeanFactory(res);
		
		//构建userinfo.properties资源
		Resource prop = new ClassPathResource("userinfo.properties");
		
		//构建PropertyPlaceholderConfigurer
		PropertyPlaceholderConfigurer ppc = new PropertyPlaceholderConfigurer();
		//设置资源
		ppc.setLocation(prop);
		
		//手工调用postProcessBeanFactory
		ppc.postProcessBeanFactory(bf);

		IUserInfo ui = (IUserInfo) bf.getBean("userInfo");

		log.info(ui.getUserInfo());
	}
}