/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * Portions Copyright Apache Software Foundation.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
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 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
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 * its licensees as provided above.  However, if you add GPL Version 2 code
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 */
package sessions;

import javax.servlet.http.*;
import java.util.Vector;
import java.util.Enumeration;

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;
    }
}