CreateChildController.java :  » Groupware » LibreSource » org » libresource » web » controllers » Java Open Source

/**
 * LibreSource
 * Copyright (C) 2004-2008 Artenum SARL / INRIA
 * http://www.libresource.org - contact@artenum.com
 *
 * This file is part of the LibreSource software, 
 * which can be used and distributed under license conditions.
 * The license conditions are provided in the LICENSE.TXT file 
 * at the root path of the packaging that enclose this file. 
 * More information can be found at 
 * - http://dev.libresource.org/home/license
 *
 * Initial authors :
 *
 * Guillaume Bort / INRIA
 * Francois Charoy / Universite Nancy 2
 * Julien Forest / Artenum
 * Claude Godart / Universite Henry Poincare
 * Florent Jouille / INRIA
 * Sebastien Jourdain / INRIA / Artenum
 * Yves Lerumeur / Artenum
 * Pascal Molli / Universite Henry Poincare
 * Gerald Oster / INRIA
 * Mariarosa Penzi / Artenum
 * Gerard Sookahet / Artenum
 * Raphael Tani / INRIA
 *
 * Contributors :
 *
 * Stephane Bagnier / Artenum
 * Amadou Dia / Artenum-IUP Blois
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */
package org.libresource.web.controllers;

import org.libresource.Libresource;

import org.libresource.kernel.KernelConstants;
import org.libresource.kernel.LibresourceSecurityException;
import org.libresource.kernel.interfaces.KernelService;

import org.libresource.web.Controller;
import org.libresource.web.config.Config;

import java.net.URI;

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


public class CreateChildController implements Controller {
    public Object process(URI uri, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
        if (request.getParameter("cancel") != null) {
            return uri;
        }

        KernelService kernelService = (KernelService) Libresource.getService(KernelConstants.SERVICE);

        if (!kernelService.checkSecurity(uri, KernelConstants.SECURITY_CREATE)) {
            throw new LibresourceSecurityException(uri, KernelConstants.SECURITY_CREATE);
        }

        String node = request.getParameter("node");
        String type = request.getParameter("type");

        // 
        if (node == null) {
            request.setAttribute("types", Config.getInstance(null).listResourceTypeForCreation());

            return "/pages/createChild.jsp";
        }

        if (type == null) {
            request.setAttribute("types", Config.getInstance(null).listResourceTypeForCreation());
            request.setAttribute("node", node);

            request.setAttribute("creationError", "Please choose a resource type !");

            return "/pages/createChild.jsp";
        }

        if (node.trim().length() == 0) {
            request.setAttribute("types", Config.getInstance(null).listResourceTypeForCreation());
            request.setAttribute("choosenType", type);

            request.setAttribute("creationError", "Please choose a name for the new node !");

            return "/pages/createChild.jsp";
        }

        if (!node.matches("[A-Za-z0-9-_/]+")) {
            request.setAttribute("types", Config.getInstance(null).listResourceTypeForCreation());
            request.setAttribute("choosenType", type);

            request.setAttribute("creationError", "The URI contains forbidden character(s) !");

            return "/pages/createChild.jsp";
        }

        // create
        Controller controller = Config.getInstance(null).getCreateController(type);
        URI uriToCreate = new URI(uri.getPath() + "/" + node);
        kernelService.createURI(uriToCreate);

        Object forward = controller.process(uriToCreate, request, response);

        if (forward instanceof String) {
            return forward.toString() + "?action=edit";
        } else if (forward instanceof URI) {
            return ((URI) forward).getPath() + "?action=edit";
        }

        return uriToCreate;
    }
}