servicefactory.java

来自「java学习的必要的资料,servlet的说明很好」· Java 代码 · 共 31 行

package com.estore.struts.utils;
/*
 * 产生service的工厂，绑定在线程上面，单例，线程安全。
 * 
 */
public class ServiceFactory {
	private static ThreadLocal<ServiceFactory> threadLocal = new ThreadLocal<ServiceFactory>();

	private ServiceFactory() {

	}

	public static ServiceFactory getInstance() {
		ServiceFactory serviceFactory = threadLocal.get();
		if (serviceFactory == null) {
			serviceFactory = new ServiceFactory();
			threadLocal.set(serviceFactory);
		}
		return serviceFactory;
	}

	public Object getService(String ServiceClass) throws StoreException {
		try {
			return Class.forName(ServiceClass).newInstance();
		} catch (Exception ex) {
			throw new StoreException(ex);
		}

	}
}