login.java

webwork source

/*
 * WebWork, Web Application Framework
 *
 * Distributable under Apache license.
 * See terms of license at opensource.org
 */
package webwork.examples.events;

import webwork.action.ActionSupport;
import webwork.action.CommandDriven;
import webwork.action.SessionAware;
import webwork.util.BeanUtil;

import java.util.Map;

/**
 * This code is an adaptation of the EventHandler example from the Rocks homepage by Christian Cryder
 * http://xmlc.enhydra.org/EventHandler/
 */
public class Login
   extends ActionSupport
   implements SessionAware, CommandDriven
{
   // Attributes ----------------------------------------------------
   String name = "";
   String password = "";

   Map session;

   boolean autoLogin = false;
   
   // Public --------------------------------------------------------
   public void setName(String name)
   {
      this.name = name;
   }
   public String getName()
   {
      return name;
   }

   public void setPassword(String password)
   {
      this.password = password;
   }

   public String getPassword()
   {
      return password;
   }

   public boolean getAutoLogin()
   {
      return autoLogin;
   }
   
   // SessionAware implementation ------------------------------------
   public void setSession(Map session)
   {
      this.session = session;
   }
   
   // Action implementation ----------------------------------------
   public String execute()
      throws Exception
   {
      // Auto-login?
      if (session.get("login") != null)
      {
         Login login = (Login)session.get("login");
         BeanUtil.copy(login, this);
         autoLogin = true;
         return SUCCESS;
      }

      return super.execute();
   }

   protected String doExecute()
      throws Exception
   {
      // Check login
      if (!password.equals(name))
      {
         addErrorMessage("Wrong password");
         return ERROR;
      }
      
      // Login
      session.put("login", this);

      return SUCCESS;
   }
}