loginaction.java

《j2ee开发全程实录》随书源码

package com.cownew.PIS.framework.web;

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

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

import com.cownew.PIS.framework.common.services.ICommonService;
import com.cownew.PIS.framework.common.services.ILoginService;
import com.cownew.PIS.framework.common.services.LoginServiceException;
import com.cownew.PIS.framework.web.helper.WebConstant;
import com.cownew.PIS.framework.web.helper.WebEndServiceLocator;
import com.cownew.PIS.framework.web.helper.WebExceptionUtils;

public class LoginAction extends Action
{

	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception
	{
		LoginForm loginForm = (LoginForm) form;
		String userName = loginForm.getUserName();
		String password = loginForm.getPassword();
		String acName = loginForm.getAcName();
		ILoginService loginService = (ILoginService) WebEndServiceLocator
				.getService((String)null,ILoginService.class);
		try
		{
			String sessionId = loginService.login(userName, password, acName);
			HttpSession session = request.getSession();
			// 将应用sessionId放入WebSession
			session.setAttribute(WebConstant.SESSIONID, sessionId);

			ICommonService cs = (ICommonService) WebEndServiceLocator
					.getService(sessionId, ICommonService.class);
			// 将当前用户值对象放入WebSession
			session.setAttribute(WebConstant.CURUSERINFO, cs.getCurrentUser());
			return mapping.findForward("mainPage");
		} catch (LoginServiceException lse)
		{
			saveErrors(request, (ActionErrors) WebExceptionUtils.toActionMessages(lse));
			return mapping.getInputForward();
		}
	}

}