Edit D:\app\Administrator\product\11.2.0\dbhome_1\owb\jrt\default-web-app\WEB-INF\classes\sessions\DummyCart.java

/*
 * Copyright (c) 1999, 2004, Oracle. 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.
 *
 * @author Mandar Raje
 */

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;
    }
}

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