package org.langsin.computer.web.core;

import java.lang.reflect.InvocationTargetException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.apache.commons.beanutils.BeanUtils;
import org.apache.struts.action.ActionForm;
import org.apache.struts.actions.DispatchAction;

public class BaseAction extends DispatchAction {
	/**
	 * 將Form里的屬性值，通過(guò)Java的反射機(jī)制全部復(fù)制到對(duì)象中
	 * 
	 * @param form
	 * @param obj
	 */
	protected void bindEntity(ActionForm form, Object obj) {
		if (form != null) {
			try {
				BeanUtils.copyProperties(obj, form);
			} catch (IllegalAccessException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			} catch (InvocationTargetException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}

	}

	/**
	 * 將對(duì)象里的屬性值，通過(guò)Java的反射機(jī)制全部復(fù)制到Form中
	 * 
	 * @param form
	 * @param obj
	 */
	protected void bindForm(ActionForm form, Object obj) {
		if (obj != null) {
			try {
				BeanUtils.copyProperties(form, obj);
			} catch (IllegalAccessException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			} catch (InvocationTargetException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}
	protected Object getSessionObject(HttpServletRequest request,String sessionName){
		Object objSession=null;
		HttpSession session=request.getSession(false);
		if(session!=null){
			objSession=session.getAttribute(sessionName);
		}
		return objSession;
	}
	protected SessionContainer getSessionContainer(HttpServletRequest request){
		SessionContainer sessionContainer=(SessionContainer)this.getSessionObject(request, "SessionContainer");
		if(sessionContainer==null){
			 sessionContainer=new SessionContainer();
			 sessionContainer.setLocale(request.getLocale());
			 HttpSession session=request.getSession(true);
			 session.setAttribute("SessionContainer", sessionContainer);
		}
		return sessionContainer;
	}

}