org.vosao.business.impl.imex.FolderExporterImpl.java Source code

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Here is the source code for org.vosao.business.impl.imex.FolderExporterImpl.java

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/**
 * Vosao CMS. Simple CMS for Google App Engine.
 * 
 * Copyright (C) 2009-2010 Vosao development team.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * email: vosao.dev@gmail.com
 */

package org.vosao.business.impl.imex;

import java.util.Iterator;

import org.dom4j.Element;
import org.vosao.business.imex.FolderExporter;
import org.vosao.dao.DaoTaskException;
import org.vosao.entity.FolderEntity;
import org.vosao.entity.GroupEntity;
import org.vosao.enums.FolderPermissionType;

/**
 * @author Alexander Oleynik
 */
public class FolderExporterImpl extends AbstractExporter implements FolderExporter {

    public FolderExporterImpl(ExporterFactoryImpl factory) {
        super(factory);
    }

    public void readFolders(Element foldersElement) throws DaoTaskException {
        for (Iterator<Element> i = foldersElement.elementIterator(); i.hasNext();) {
            Element element = i.next();
            if (element.getName().equals("folder")) {
                FolderEntity root = getDao().getFolderDao().getByPath("/");
                readFolder(element, root);
            }
        }
    }

    private void readFolder(Element element, final FolderEntity parent) throws DaoTaskException {
        String name = element.elementText("name");
        String title = element.elementText("title");
        FolderEntity folder;
        if (name.equals("/") && parent.isRoot()) {
            folder = getDao().getFolderDao().getByPath("/");
        } else {
            folder = getDao().getFolderDao().getByParentName(parent.getId(), name);
            if (folder == null) {
                folder = new FolderEntity(title, name, parent.getId());
            }
        }
        folder.setTitle(title);
        getDaoTaskAdapter().folderSave(folder);
        readFolderPermissions(element.element("permissions"), folder);
        for (Iterator<Element> i = element.elementIterator(); i.hasNext();) {
            Element e = i.next();
            if (e.getName().equals("folder")) {
                readFolder(e, folder);
            }
        }
    }

    private void readFolderPermissions(Element permissionsElement, final FolderEntity folder) {
        for (Iterator<Element> i = permissionsElement.elementIterator(); i.hasNext();) {
            Element element = i.next();
            if (element.getName().equals("permission")) {
                String groupName = element.elementText("group");
                GroupEntity group = getDao().getGroupDao().getByName(groupName);
                if (group == null) {
                    logger.error("Group " + groupName + " was not found.");
                    continue;
                }
                FolderPermissionType permType = FolderPermissionType.valueOf(element.elementText("permissionType"));
                getBusiness().getFolderPermissionBusiness().setPermission(folder, group, permType);
            }
        }
    }
}