【简单工厂模式】示例代码

public class SWInfoFactory{    private static IInfo info;    synchronized public static IInfo getInfo()    {        if (info == null)        {            try            {                Class c = Class.forName("com.sinocec.model.web.eq.Info");                info = (IInfo) c.newInstance();                LogFactory.getLog().info(new SWInfoFactory(), "获取IInfo类成功！");            } catch (Exception e)            {                LogFactory.getLog().error(new Config(), "获取类 com.sinocec.model.cec.index.IInfo 失败！", e);                return null;            }        }        return info;    }}