loginaction.java

《精通SOA：基于服务总线的Struts+EJB+Web Service整合应用开发》原书的实例代码

package com.sample.controller.action;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
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.ActionMessage;
import org.apache.struts.action.ActionMessages;

import com.sample.exception.ApplicationException;
import com.sample.model.service.imp.UserAccountMgrImp;
import com.sample.view.form.LoginForm;

public final class LoginAction extends Action {

    /**
     * Commons Logging instance.
    */
    private Log log = LogFactory.getFactory().getInstance(this.getClass().getName());

    public ActionForward execute(ActionMapping mapping,
                 ActionForm form,
                 HttpServletRequest request,
                 HttpServletResponse response)
    throws Exception {
  	
        LoginForm loginForm = (LoginForm) form;      
        UserAccountMgrImp userAccountMgr = new UserAccountMgrImp();  
        ActionMessages messages = new ActionMessages();
        try
        {
        	userAccountMgr.checkUserLogin(loginForm.getLoginName(),loginForm.getPassword());
            messages.add("login", new ActionMessage("loginSucessMessage"));
        } catch (ApplicationException ape) {
        	messages.add("login",new ActionMessage(ape.getMessage()));
        }
               
       this.saveMessages(request,messages);
       
        return mapping.findForward("success");
    }

}