001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (https://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 GmbH & Co. KG, please see the
018 * company website: https://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: https://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;
029
030import org.opencms.configuration.CmsConfigurationException;
031import org.opencms.configuration.CmsParameterConfiguration;
032import org.opencms.xml.containerpage.CmsContainerElementBean;
033import org.opencms.xml.containerpage.I_CmsFormatterBean;
034
035import jakarta.servlet.jsp.PageContext;
036
037/**
038 * Default {@link I_CmsElementMarker} that emits nothing.<p>
039 *
040 * Used when no <code>edit-marker-handler</code> is configured, so the container and display tags can
041 * always call the configured marker without a null check.<p>
042 *
043 * @since 22.0.0
044 */
045public class CmsDefaultElementMarker implements I_CmsElementMarker {
046
047    /** The configuration. */
048    private CmsParameterConfiguration m_config = new CmsParameterConfiguration();
049
050    /**
051     * @see org.opencms.configuration.I_CmsConfigurationParameterHandler#addConfigurationParameter(java.lang.String, java.lang.String)
052     */
053    public void addConfigurationParameter(String paramName, String paramValue) {
054
055        m_config.add(paramName, paramValue);
056    }
057
058    /**
059     * @see org.opencms.jsp.I_CmsElementMarker#addEndMarker(jakarta.servlet.jsp.PageContext, org.opencms.xml.containerpage.CmsContainerElementBean)
060     */
061    public void addEndMarker(PageContext context, CmsContainerElementBean element) {
062
063        // no-op default
064    }
065
066    /**
067     * @see org.opencms.jsp.I_CmsElementMarker#addStartMarker(jakarta.servlet.jsp.PageContext, org.opencms.xml.containerpage.CmsContainerElementBean, org.opencms.xml.containerpage.I_CmsFormatterBean)
068     */
069    public void addStartMarker(PageContext context, CmsContainerElementBean element, I_CmsFormatterBean formatter) {
070
071        // no-op default
072    }
073
074    /**
075     * @see org.opencms.configuration.I_CmsConfigurationParameterHandler#getConfiguration()
076     */
077    public CmsParameterConfiguration getConfiguration() {
078
079        return m_config;
080    }
081
082    /**
083     * @see org.opencms.configuration.I_CmsConfigurationParameterHandler#initConfiguration()
084     */
085    public void initConfiguration() throws CmsConfigurationException {
086
087        // no-op default
088    }
089}