package classmate;

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

import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.ActionMessage;

import javax.servlet.ServletContext;
import javax.sql.DataSource;
import javax.servlet.http.*;

public final class LoginAction extends Action{  
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,  
		HttpServletResponse response) throws Exception {
		
	
   		UserForm userform = (UserForm) form;         
		String name = userform.getName();
		String psw = userform.getPsw();
		

   		ServletContext context = servlet.getServletContext();
		DataSource dataSource = (DataSource)context.getAttribute("oracleDB1");
						
        DBUser dbuser = new DBUser(dataSource);
        HttpSession session = request.getSession();
        
        if (!dbuser.checkUser(name,psw)) {
			ActionMessages errors = new ActionMessages();
			errors.add(ActionMessages.GLOBAL_MESSAGE,
				new ActionMessage("label.deny"));
				
			if (!errors.isEmpty()) {
				saveErrors(request, errors);
			} 
  			return  mapping.findForward("failed");  //登陸失敗
		}
		else{
 	   		return (mapping.findForward("successed"));//登陸成功					
		}	
	}
}