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.xml.containerpage;
029
030import org.opencms.file.CmsFile;
031import org.opencms.file.CmsObject;
032import org.opencms.file.CmsProperty;
033import org.opencms.file.CmsPropertyDefinition;
034import org.opencms.main.CmsException;
035import org.opencms.main.CmsLog;
036import org.opencms.main.OpenCms;
037import org.opencms.util.CmsStringUtil;
038import org.opencms.xml.content.CmsDefaultXmlContentHandler;
039import org.opencms.xml.content.CmsXmlContent;
040import org.opencms.xml.types.I_CmsXmlContentValue;
041
042import java.net.URI;
043import java.net.URISyntaxException;
044import java.util.Arrays;
045import java.util.Locale;
046
047import org.apache.commons.logging.Log;
048
049/**
050 * Content handler for HTML redirects.<p>
051 */
052public class CmsHtmlRedirectHandler extends CmsDefaultXmlContentHandler {
053
054    /** The logger instance for this class. */
055    private static final Log LOG = CmsLog.getLog(CmsHtmlRedirectHandler.class);
056
057    /**
058     * @see org.opencms.xml.content.CmsDefaultXmlContentHandler#prepareForWrite(org.opencms.file.CmsObject, org.opencms.xml.content.CmsXmlContent, org.opencms.file.CmsFile)
059     */
060    @Override
061    public CmsFile prepareForWrite(CmsObject cms, CmsXmlContent content, CmsFile file) throws CmsException {
062
063        CmsFile result = super.prepareForWrite(cms, content, file);
064        try {
065            String linkStr = getStringValue(cms, content, "Link");
066            String typeStr = getStringValue(cms, content, "Type");
067
068            if ("sublevel".equals(typeStr)) {
069                Locale locale = OpenCms.getLocaleManager().getDefaultLocale(cms, file);
070                String title = org.opencms.xml.containerpage.Messages.get().getBundle(locale).key(
071                    org.opencms.xml.containerpage.Messages.GUI_REDIRECT_SUBLEVEL_TITLE_0);
072                CmsProperty titleProp = new CmsProperty(CmsPropertyDefinition.PROPERTY_TITLE, title, null);
073                cms.writePropertyObjects(file, Arrays.asList(titleProp));
074            } else if (!CmsStringUtil.isEmptyOrWhitespaceOnly(linkStr)) {
075                boolean hasScheme = false;
076                try {
077                    URI uri = new URI(linkStr);
078                    hasScheme = uri.getScheme() != null;
079                } catch (URISyntaxException e) {
080                    LOG.debug(e.getLocalizedMessage(), e);
081                }
082                if (!hasScheme) {
083                    linkStr = cms.getRequestContext().removeSiteRoot(linkStr);
084                }
085                Locale locale = OpenCms.getLocaleManager().getDefaultLocale(cms, file);
086                String title = org.opencms.xml.containerpage.Messages.get().getBundle(locale).key(
087                    org.opencms.xml.containerpage.Messages.GUI_REDIRECT_TITLE_1,
088                    linkStr);
089                CmsProperty titleProp = new CmsProperty(CmsPropertyDefinition.PROPERTY_TITLE, title, null);
090                cms.writePropertyObjects(file, Arrays.asList(titleProp));
091            }
092        } catch (CmsException e) {
093            LOG.error(e.getLocalizedMessage(), e);
094        }
095        return result;
096    }
097
098    private String getStringValue(CmsObject cms, CmsXmlContent content, String node) {
099
100        I_CmsXmlContentValue val = content.getValue(node, Locale.ENGLISH);
101        if (val == null) {
102            return null;
103        }
104        return val.getStringValue(cms);
105    }
106
107}