signonejbaction.java

sun公司的petstore,一个J2ee的示例应用程序.

/*
 * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
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 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
 * This software is provided "AS IS," without a warranty of any
 * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
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package com.sun.j2ee.blueprints.petstore.controller.ejb.actions;


import java.util.Collection;
import java.util.Iterator;
import java.util.Date;
import java.util.Locale;

// J2EE imports
import javax.ejb.FinderException;

// WAF imports
import com.sun.j2ee.blueprints.waf.event.Event;
import com.sun.j2ee.blueprints.waf.event.EventException;
import com.sun.j2ee.blueprints.waf.controller.ejb.action.EJBActionSupport;
import com.sun.j2ee.blueprints.waf.event.EventResponse;
import com.sun.j2ee.blueprints.waf.util.I18nUtil;

import com.sun.j2ee.blueprints.petstore.controller.events.SignOnEvent;

// customer imports
import com.sun.j2ee.blueprints.contactinfo.ejb.ContactInfo;
import com.sun.j2ee.blueprints.customer.profile.ejb.ProfileLocal;

// SignOn EJB Imports
import com.sun.j2ee.blueprints.signon.ejb.SignOnLocalHome;
import com.sun.j2ee.blueprints.signon.ejb.SignOnLocal;

// shoppingcart component imports
import com.sun.j2ee.blueprints.cart.ejb.ShoppingCartLocal;

// petstore imports
import com.sun.j2ee.blueprints.petstore.util.PetstoreKeys;
import com.sun.j2ee.blueprints.petstore.controller.ejb.ShoppingClientFacadeLocal;
import com.sun.j2ee.blueprints.waf.exceptions.GeneralFailureException;

public class SignOnEJBAction extends EJBActionSupport {

    public EventResponse perform(Event e) throws EventException {
        SignOnEvent cue = (SignOnEvent)e;
        String userId = cue.getUserName();
        // put a copy of the userName in the shopping client facade for future retrival
         ShoppingClientFacadeLocal scf = null;
         scf = (ShoppingClientFacadeLocal)machine.getAttribute(PetstoreKeys.SHOPPING_CLIENT_FACADE);
         scf.setUserId(userId);
         // set the locale here to the user's desired locale
         try {
             ProfileLocal profile = scf.getCustomer().getProfile();
             Locale locale = I18nUtil.getLocaleFromString(profile.getPreferredLanguage());
             machine.setAttribute(PetstoreKeys.LOCALE, locale);
              // notify the shopping cart of the locale change
             ShoppingCartLocal cart = scf.getShoppingCart();
             cart.setLocale(locale);
         } catch ( FinderException fe) {
             // in the process of creating a user for the first time
             // so the locale will be se when creating the user
         }
         return null;
     }
}