content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * 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.
   *
   * For further information about Alkacon Software, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.jsp.util;
  
  import org.opencms.ade.configuration.CmsADEConfigDataInternal.AttributeValue;
  import org.opencms.util.CmsCollectionsGenericWrapper;
  
  import java.util.Map;
  
  /**
   * Wrapper object for accessing sitemap configuration information from JSPs.
   */
  public class CmsJspSitemapConfigWrapper {
  
      /** The standard context bean instance. */
      private CmsJspStandardContextBean m_context;
  
      /**
       * Creates a new instance.
       *
       * @param context the standard context bean whose sitemap configuration / CmsObject should be used
       */
      public CmsJspSitemapConfigWrapper(CmsJspStandardContextBean context) {
  
          m_context = context;
      }
  
      /**
       * Returns a lazy map that maps sitemap attribute names to sitemap attribute values (as CmsJspObjectValueWrapper instances)
       *
       * @return the lazy map
       */
      public Map<String, CmsJspObjectValueWrapper> getAttribute() {
  
          return CmsCollectionsGenericWrapper.createLazyMap(key -> {
              Map<String, AttributeValue> attrs = m_context.getSitemapConfigInternal().getAttributes();
              AttributeValue value = attrs.get(key);
              String strValue = value == null ? null : value.getValue();
              if (strValue == null) {
                  // CmsJspObjectValueWrapper#createWrapper returns CmsJspObjectValueWrapper#NULL_VALUE_WRAPPER when it receives a null argument,
                  // but that object doesn't support getUseDefault(), so we use an empty string here instead of null.
                  strValue = "";
              }
              CmsJspObjectValueWrapper wrapper = CmsJspObjectValueWrapper.createWrapper(
                  m_context.getCmsObject(),
                  strValue);
              return wrapper;
          });
      }
  
  }
  