001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * For further information about Alkacon Software, please see the
018 * company website: http://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: http://www.opencms.org
022 *
023 * You should have received a copy of the GNU Lesser General Public
024 * License along with this library; if not, write to the Free Software
025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026 */
027
028package org.opencms.workplace;
029
030import org.opencms.file.CmsObject;
031import org.opencms.file.CmsProperty;
032import org.opencms.file.CmsResource;
033import org.opencms.file.CmsResourceFilter;
034import org.opencms.main.CmsException;
035import org.opencms.security.CmsPermissionSet;
036import org.opencms.util.CmsStringUtil;
037
038/**
039 * The default upload folder handler.<p>
040 */
041public class CmsRepositoryFolderHandler implements I_CmsRepositoryFolderHandler {
042
043    /**
044     * @see org.opencms.workplace.I_CmsRepositoryFolderHandler#getRepositoryFolder(org.opencms.file.CmsObject, java.lang.String, java.lang.String)
045     */
046    public String getRepositoryFolder(CmsObject cms, String reference, String type) {
047
048        String result = null;
049        if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(reference)) {
050            try {
051                CmsProperty prop = cms.readPropertyObject(reference, "repositoryfolder_" + type, true);
052                // check if the resource exists, is a folder and the user has write permissions to it
053                if (!prop.isNullProperty()
054                    && cms.existsResource(prop.getValue(), CmsResourceFilter.ONLY_VISIBLE_NO_DELETED)) {
055                    CmsResource uploadFolder = cms.readResource(
056                        prop.getValue(),
057                        CmsResourceFilter.ONLY_VISIBLE_NO_DELETED);
058                    if (uploadFolder.isFolder()
059                        && cms.hasPermissions(
060                            uploadFolder,
061                            CmsPermissionSet.ACCESS_WRITE,
062                            false,
063                            CmsResourceFilter.ONLY_VISIBLE_NO_DELETED)) {
064                        result = cms.getSitePath(uploadFolder);
065                    }
066
067                }
068            } catch (CmsException e) {
069                // ignore
070            }
071        }
072        return result;
073    }
074}