DummyCart.java |
/* * Copyright (c) 1999 Sun Microsystems, Inc. All Rights Reserved. * * This software is the confidential and proprietary information of Sun * Microsystems, Inc. ("Confidential Information"). You shall not * disclose such Confidential Information and shall use it only in * accordance with the terms of the license agreement you entered into * with Sun. * * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING * THIS SOFTWARE OR ITS DERIVATIVES. * */ package server.sessions; import javax.servlet.http.HttpServletRequest; import java.util.Vector; public class DummyCart { Vector v = new Vector(); String submit = null; String item = null; private void addItem(String name) { v.addElement(name); } private void removeItem(String name) { v.removeElement(name); } public void setItem(String name) { item = name; } public void setSubmit(String s) { submit = s; } public String[] getItems() { String[] s = new String[v.size()]; v.copyInto(s); return s; } public void processRequest(HttpServletRequest request) { // null value for submit - user hit enter instead of clicking on // "add" or "remove" if (submit == null) addItem(item); if (submit.equals("add")) addItem(item); else if (submit.equals("remove")) removeItem(item); // reset at the end of the request reset(); } // reset private void reset() { submit = null; item = null; } }