servicelocator.java

一种快速开发的Java Web架构,doc里有详细的设计文档和开发文档。

/**
 *
 * 功能	 Coarse Function Description
 * 类名  ServiceLocator
 *
 * ver       变更日        部门        变更者   变更内容
 * ──────────────────────────────────
 * V1.0    2006-10-8     国内事业部     陈志武     初版
 * V1.1    2006-10-8     国内事业部     陈志武     改定
 *
 */

package com.hisoft.cottonbusiness.core.common;

import org.apache.log4j.Logger;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.hisoft.cottonbusiness.core.persistence.PersistenceManager;
import com.hisoft.cottonbusiness.core.util.PropertiesLoaderUtils;


/**
 * Class description in detail
 * 
 * 
 * @author 陈志武
 * @version Ver 1.0 2006-10-8 改订
 * @since Ver 1.0
 */

public class ServiceLocator
{
	private static final Logger log = Logger.getLogger(ServiceLocator.class);

	private static ApplicationContext ac = null;

	private static final String SPRING = "spring";

	static
	{
		String CONFIG_FILE = PropertiesLoaderUtils.load(Constants.GLOBAL_PROPERTIES).getProperty(SPRING);
		ac = new ClassPathXmlApplicationContext(CONFIG_FILE);

		log.debug("实例化applicationContext成功！");
	}

	public static Object getBean(String name)
	{
		Object bean = ac.getBean(name);

		return bean;

	}

	public static void main(String[] args) throws Exception
	{
		PersistenceManager pm = (PersistenceManager) ServiceLocator.getBean("persistenceManager");
		log.debug("pm: " + pm.getDataSource().getConnection().getMetaData().getDatabaseProductName());
	}
}