addattributefromlistaction.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.commons.beanutils.PropertyUtils;

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.Iterator;
import java.util.List;

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

/**
 * This action allows to add selected elements from one list to a given object.
 *<br>
 * HTTP PARAMETERS :<br>
 * <li>objname : name of the object which will be augmented</li>
 * <li>attname : name of the attribute which will be augmented</li>
 * <li>srcname : name of source object</li>
 * <li>srcprop : name of source attribute, which must be a list</li>
 * <li>eltindex : multivalued element containing indexes of elements to get from the source list</li>
 * <br><br>Example :<br>
 * <li>srcname will be an object containing a opiam.admin.faare.SearchResult</li>
 * <li>srcprop will be "lResults" (list of results)</li>
 * <li>objname will be an object kept in session</li>
 * <li>attname will be a list of entries</li>
 * <li>eltindex will be set as HTTP request parameters (for example: checkboxes in a form)</li>
 *
 */
public class AddAttributeFromListAction extends SecureAction
{
    /** Logger de log4j. */
    private static Logger _logger = Logger.getLogger(AddAttributeFromListAction.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 service_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 srcname = request.getParameter("srcname");
        String srcprop = request.getParameter("srcprop");
        String objname = request.getParameter("objname");
        String attname = request.getParameter("attname");
        String[] elements = request.getParameterValues("eltindex");
        _logger.debug("srcname = " + srcname);
        _logger.debug("srcprop = " + srcprop);
        _logger.debug("objname = " + objname);
        _logger.debug("attname = " + attname);

        ActionMessages errors = new ActionMessages();

//DW/2622/BeginPatch
        if ((srcname == null) || srcname.trim().equals("") ||
            (srcprop == null) || srcprop.trim().equals("") ||
            (objname == null) || objname.trim().equals("") ||
            (attname == null) || attname.trim().equals("") ||
            (elements == null))
        {
            _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();
            Object obj = session.getAttribute(objname);
            Object att = PropertyUtils.getProperty(obj, attname);
            Object src = session.getAttribute(srcname);
            List currentList = (List) PropertyUtils.getProperty(src, srcprop);

            if (att instanceof List)
            {
                List attList = (List) att;
                Iterator it = currentList.iterator();

                for (int i = 0; i < elements.length; i++)
                {
                    obj = currentList.get(Integer.parseInt(elements[i]));

                    if (!attList.contains(obj))
                    {
                        attList.add(obj);
                    }
                }
            }

            return (mapping.findForward("success"));
        }
        catch (Exception se)
        {
            _logger.error(se.getMessage());
            errors.add(ActionMessages.GLOBAL_MESSAGE,
                new ActionMessage("error.service.unknown"));
            saveErrors(request, errors);

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