createuserhtmlaction.java

sun公司的petstore,一个J2ee的示例应用程序.

/*
 * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistribution in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in
 *   the documentation and/or other materials provided with the
 *   distribution.
 *
 * Neither the name of Sun Microsystems, Inc. or the names of
 * 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
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
 * EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES
 * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
 * OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
 * FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
 * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
 * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE,
 * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 *
 * You acknowledge that Software is not designed, licensed or intended
 * for use in the design, construction, operation or maintenance of
 * any nuclear facility.
 */
package com.sun.j2ee.blueprints.petstore.controller.web.actions;

// j2ee imports
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletResponse;

// signon filter import for signed on key
import com.sun.j2ee.blueprints.signon.web.SignOnFilter;

// waf imports
import com.sun.j2ee.blueprints.waf.event.Event;
import com.sun.j2ee.blueprints.waf.event.EventResponse;
import com.sun.j2ee.blueprints.petstore.util.PetstoreKeys;
import com.sun.j2ee.blueprints.waf.controller.web.action.HTMLActionSupport;
import com.sun.j2ee.blueprints.waf.controller.web.action.HTMLActionException;

// petstore imports
import com.sun.j2ee.blueprints.petstore.controller.events.CreateUserEvent;


/**
 * Implementation of CartHTMLAction that processes a
 * user change in the shopping cart.
 *
 * Changes include:
 *    adding items
 *    removing items
 *    updating item quantities
 *    emptying the cart
 *
 */

public final class CreateUserHTMLAction extends HTMLActionSupport {


    public Event perform(HttpServletRequest request)
        throws HTMLActionException {
        // Extract attributes we will need
        String userName = (String)request.getParameter("j_username");
        String password = (String)request.getParameter("j_password");
        String password2 = (String)request.getParameter("j_password_2");

        // put username in session for future use
        request.getSession().setAttribute(SignOnFilter.USER_NAME, userName);

        CreateUserEvent event = null;
        if (userName != null && password != null) {
            return new CreateUserEvent(userName,password);
        }
        return event;
    }
}