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.jsp.util;
029
030import org.opencms.ade.configuration.CmsADEConfigDataInternal.AttributeValue;
031import org.opencms.util.CmsCollectionsGenericWrapper;
032
033import java.util.Map;
034
035/**
036 * Wrapper object for accessing sitemap configuration information from JSPs.
037 */
038public class CmsJspSitemapConfigWrapper {
039
040    /** The standard context bean instance. */
041    private CmsJspStandardContextBean m_context;
042
043    /**
044     * Creates a new instance.
045     *
046     * @param context the standard context bean whose sitemap configuration / CmsObject should be used
047     */
048    public CmsJspSitemapConfigWrapper(CmsJspStandardContextBean context) {
049
050        m_context = context;
051    }
052
053    /**
054     * Returns a lazy map that maps sitemap attribute names to sitemap attribute values (as CmsJspObjectValueWrapper instances)
055     *
056     * @return the lazy map
057     */
058    public Map<String, CmsJspObjectValueWrapper> getAttribute() {
059
060        return CmsCollectionsGenericWrapper.createLazyMap(key -> {
061            Map<String, AttributeValue> attrs = m_context.getSitemapConfigInternal().getAttributes();
062            AttributeValue value = attrs.get(key);
063            String strValue = value == null ? null : value.getValue();
064            if (strValue == null) {
065                // CmsJspObjectValueWrapper#createWrapper returns CmsJspObjectValueWrapper#NULL_VALUE_WRAPPER when it receives a null argument,
066                // but that object doesn't support getUseDefault(), so we use an empty string here instead of null.
067                strValue = "";
068            }
069            CmsJspObjectValueWrapper wrapper = CmsJspObjectValueWrapper.createWrapper(
070                m_context.getCmsObject(),
071                strValue);
072            return wrapper;
073        });
074    }
075
076}