graphicorgchartaction.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.applis.demo.actions;

import opiam.admin.applis.demo.beans.Person;

import opiam.admin.faare.persistence.LdapObjectFilter;
import opiam.admin.faare.persistence.javabeans.JBTop;
import opiam.admin.faare.service.UserContext;
import opiam.admin.faare.service.services.StandardService;
import opiam.admin.faare.service.services.views.ViewGenerator;
import opiam.admin.faare.service.services.views.orgchart.OrgChartPanel;
import opiam.admin.faare.struts.actions.SecureAction;
import opiam.admin.faare.struts.utils.SessionContext;

import org.apache.log4j.Logger;

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

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

import java.io.IOException;

import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;


/**
 * This class allows to generate a graphic orgchart.
 */
public class GraphicOrgChartAction extends SecureAction
{
    /** Instance of the log4j logger.
     * Used to generate the execution traces. */
    private static Logger _logger =
        Logger.getLogger(GraphicOrgChartAction.class.getName());

    /**
     * This method is called to execute the action.
     *
     * @param mapping              Struts mapping data.
     * @param actionForm           FormBean associated with the action.
     * @param request              HTTP request.
     * @param httpServletResponse  HTTP response.
     *
     * @return An ActionForward.
     *
     * @throws IOException  An I/O exception if failed or interrupted I/O operations occurs.
     * @throws ServletException  A ServletException if the servlet has a problem.
     */
    public ActionForward secureExecute(ActionMapping mapping,
                                       ActionForm actionForm,
                                       HttpServletRequest request,
                                       HttpServletResponse httpServletResponse
                                      ) throws IOException, ServletException
    {
        SessionContext sessionContext = null;
        UserContext userContext = null;
        ActionMessages msgErrors = new ActionMessages();

        try
        {
            // Gets the session.
            HttpSession session = request.getSession();

            // Gets the session context.
            sessionContext = SessionContext.getInstance(session);

            // Gets the user context.
            userContext = sessionContext.getUserContext();

            String type = (String) request.getParameter("type");
            String viewName = (String) request.getParameter("viewName");
            String levelStr = (String) request.getParameter("levelStr");
            int level = Integer.parseInt(levelStr);
            String direction = (String) request.getParameter("direction");
            String mode = (String) request.getParameter("mode");
            String dn = (String) request.getParameter("dn");

            JBTop loadedObj = StandardService.load(dn, userContext);

            // Converts the entry in Person entry.
            Person person = (Person) loadedObj;
            userContext.getParameters().put(LdapObjectFilter.VAR_CURRENT_ITEM,
                                            person
                                           );
            _logger.debug("current_item = " + person.getDn());

            List lresult =
                ViewGenerator.generateOrgChartAsJpgOrPng(person, viewName,
                                                         level, direction,
                                                         mode, userContext, type
                                                        );

            session.setAttribute("IMG", lresult.get(0));

            Iterator iter = ((List) lresult.get(1)).iterator();
            StringBuffer map = new StringBuffer("<map name='orgchart'>");

            while (iter.hasNext())
            {
                Hashtable info = (Hashtable) iter.next();
                int x1 = ((Integer) info.get(OrgChartPanel.XCOORD)).intValue();
                int y1 = ((Integer) info.get(OrgChartPanel.YCOORD)).intValue();
                int w = ((Integer) info.get(OrgChartPanel.WIDTH)).intValue();
                int h = ((Integer) info.get(OrgChartPanel.HEIGHT)).intValue();
                int x2 = x1 + w;
                int y2 = y1 + h;
                map.append("<area shape='rect' coords='" + x1 + "," + y1 + "," +
                           x2 + "," + y2 + "'href='" +
                           "showPerson.do?dn=" + info.get(OrgChartPanel.DN) +
                           "'>"
                          );
            }

            map.append("</map>");
            session.setAttribute("orgmap", map.toString());
            _logger.debug("orgmap");

            // puts the parameters in the request to enable to create a pdf orgchart.
            request.setAttribute("viewName", viewName);
            request.setAttribute("levelStr", levelStr);
            request.setAttribute("direction", direction);
            request.setAttribute("mode", mode);
            request.setAttribute("dn", dn);

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

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