java 反射机制应用

public class BaseController {

	/**
	 * 通过指定的bean处理业务,非核心流程，不能支持java 动态代理对象@transactional注解的类
	 * @param bean
	 * @throws Throwable 
	 */
	@SuppressWarnings("unchecked")
	protected void process(BeanBase bean) throws Throwable {
		bean.setDatas(Util.converToBean(bean));
		String processorName = bean.getNeedcontrolprocess();
		if(processorName == null || processorName == ""){
			return;
		}
		String[] beanAndMethod = processorName.split("\\.");
		String beanName = beanAndMethod[0];
                //Service层里的方法名 
		String methodName = "process";
		if(beanAndMethod.length > 1){
			methodName = beanAndMethod[1];
		}
		//spring 反射获得Service层的服务类beanName=taxFavInfo（@Service("taxFavInfo")）                                                 
		Object processBean = ApplicationContextHepler
				.getBeanByName(beanName);
		if (processBean == null) {
			throw new ServiceException("数据格式非法，没有找到相应的流程！");
		}
		bean.setDatas(Util.converToBean(bean));
                //获得运行时Class实例
		@SuppressWarnings("rawtypes")
		Class clazz = processBean.getClass();
		@SuppressWarnings("rawtypes")
		Class cz[] = new Class[1];
		cz[0] = BeanBase.class;
		
		Method method = null;
		try {
                       //Service层里的methodName（BeanBase bean）参数是BeanBase类型。
			method = clazz.getDeclaredMethod(methodName,cz);
                        //反射机制调用方法 参数1：service里的全路径，参数2：methodName方法的参数
			method.invoke(processBean,bean);
			bean.setContent(Util.converToStr(bean));
		} catch (NoSuchMethodException e) {
			throw new ServiceException("没找到相应的处理方法！");
		} catch (SecurityException e) {
			throw new ServiceException("安全检查不通过！");
		} catch (IllegalAccessException e) {
			throw new ServiceException("非法访问！");
		} catch (IllegalArgumentException e) {
			throw new ServiceException("参数不合法！");
		} catch (InvocationTargetException e) {
			if(e.getTargetException() != null){
				if(e.getTargetException() instanceof ServiceException){
					throw (ServiceException)e.getTargetException();
				}else{
					throw e.getTargetException();
				}
			}else{
				throw new ServiceException("调用失败"+e.getMessage()); 
			}
		}
	}

	/**
	 * 获取创建者工号字符串
	 * 方法说明：<br>
	 * 
	 * @return
	 */
	protected String getCreateId() {
		return "|createId:"+UserUtil.getCurrentUser().getEmpCode();
	}
}