userloginaction.java

一个J2EE SSH功能的实现

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.sxjsuper.officeoa.uservalidate;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.sxjsuper.base.BaseAction;
import com.sxjsuper.lts.service.operateuser.event.IdentityEvt;
import com.sxjsuper.officeoa.global.OfficeoaKeys;

/** 
 * MyEclipse Struts
 * Creation date: 07-09-2008
 * 
 * XDoclet definition:
 * @struts.action path="/userLogin" name="userLoginForm" input="/index.jsp" scope="request" validate="true"
 * @struts.action-forward name="success" path="/success.jsp"
 */
public class UserLoginAction extends BaseAction 
{
	/*
	 * Generated Methods
	 */
	private boolean resultflag = false;
	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
	{
		UserLoginForm userLoginForm = (UserLoginForm) form;
		String userid=userLoginForm.getUserid();
		String userpwd=userLoginForm.getUserpwd();
		IdentityEvt identityEvt=new IdentityEvt();
		identityEvt.setUserName(userid);
		identityEvt.setUserPassword(userpwd);
		try
		{
			resultflag=operateUser.userValidate(identityEvt);
		}
		catch(UserLoginException e)
		{
			//打印异常堆栈
			e.printStackTrace();
			
			printErrLog(identityEvt,OfficeoaKeys.INTERFACE_EXCEPTION,e);
		}
		
		if(resultflag)
		{
			log.info(userid+OfficeoaKeys.LOGIN_SUCCESS_FLAG);
			return mapping.findForward("success");
		}
		else
		{
			log.fatal(userid+OfficeoaKeys.LOGIN_FAIL_FLAG);
			return mapping.findForward("fail");
		}
	}
	
	/**
     * 异常及错误日志处理
     * @param errMsg 异常或错误信息
     * @param event 调用接口的事件对象
     * @param errType 错误类型类型
     * @param returnCode 接口操作的返回码
     */
    private void printErrLog (IdentityEvt event, String returnCode, Throwable e)
    {
    	System.out.println("A excepiton happened.");
    	log.error("Exception message is:"+returnCode,e);
    	log.fatal("user "+event.getUserName()+" validate fail when a excepiton happened",e);
    }
    
}