deletefromcartaction.java

OPIAM stands for Open Identity and Access Management. This Suite will provide modules for user & rig

/*
 * OPIAM Suite
 *
 * Distributable under LGPL license.
 * See terms of license at gnu.org.
 */

package opiam.admin.faare.struts.actions;

//DW/2622/BeginPatch
import opiam.admin.faare.MessageUtil;
//DW/2622/EndPatch

import org.apache.log4j.Logger;

import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import java.io.IOException;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * This actions allows to remove a selected set of elements from an object (the cart).
 *<br>
 * HTTP PARAMETERS :<br>
 * <li>cartname : name of the object to be modified (java.util.List typed)</li>
 * <li>eltindex : multivalued indexes of elements to remove</li>
 * <li>deleteAll: (optional) = true to delete the "cartname" object</li>
 */
public class DeleteFromCartAction extends SecureAction
{
    /** Logger de log4j. */
    private static Logger _logger = Logger.getLogger(DeleteFromCartAction.class);

    /**
     * Struts Action method.
     * See SecureAction
     *
     * @param mapping Struts mapping data.
     * @param actionForm Input form.
     * @param request HTTP request.
     * @param httpServletResponse HTTP response.
     *
     * @return forward to success or to error
     *
     * @throws java.io.IOException see Action.execute()
     * @throws javax.servlet.ServletException see Action.execute()
     */
    public ActionForward secureExecute(
        ActionMapping mapping,
        ActionForm actionForm,
        HttpServletRequest request,
        HttpServletResponse httpServletResponse)
        throws IOException, ServletException
    {
        String cartname = request.getParameter("cartname");
        String deleteAll = request.getParameter("deleteAll");
        String[] elements = request.getParameterValues("eltindex");

        if (elements == null)
        {
            // aucune selection
            request.setAttribute("cartname", cartname);

            return (mapping.findForward("success"));
        }

        _logger.debug("cartname = " + cartname);

        ActionMessages errors = new ActionMessages();

//DW/2622/BeginPatch
        if ((cartname == null) || cartname.trim().equals(""))
        {
            _logger.error(MessageUtil.getMessageString("MSG_ARGUMENT_NULL"));
            errors.add(ActionMessages.GLOBAL_MESSAGE,
                new ActionMessage("error.service.unknown"));
            saveErrors(request, errors);

            return (mapping.findForward("service_error"));
        }
//DW/2622/EndPatch


        try
        {
            //R閏up閞ation de la session
            HttpSession session = request.getSession();
            List currentCart = (List) session.getAttribute(cartname);

            // le cas de panier inexistant va engendrer null pointer exception
            // captur