/*
    * Copyright (c) 2002-2014, Mairie de Paris
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    *
    *  1. Redistributions of source code must retain the above copyright notice
   *     and the following disclaimer.
   *
   *  2. Redistributions in binary form must reproduce the above copyright notice
   *     and the following disclaimer in the documentation and/or other materials
   *     provided with the distribution.
   *
   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
   *     contributors may be used to endorse or promote products derived from
   *     this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   * License 1.0
   */
  package fr.paris.lutece.portal.web.includes;
  
  import fr.paris.lutece.portal.service.content.PageData;
  import fr.paris.lutece.portal.service.datastore.DatastoreService;
  import fr.paris.lutece.portal.service.includes.PageInclude;
  import fr.paris.lutece.portal.service.init.AppInfo;
  
  import java.util.Map;
  
  import javax.servlet.http.HttpServletRequest;
  
  
  /**
   * This class includes metas into the head of the HTML page
   */
  public class MetasInclude implements PageInclude
  {
      private static final String KEY_WEBMASTER_META_AUTHOR = "portal.site.site_property.meta.author";
      private static final String KEY_WEBMASTER_META_COPYRIGHT = "portal.site.site_property.meta.copyright";
      private static final String KEY_WEBMASTER_META_KEYWORDS = "portal.site.site_property.meta.keywords";
      private static final String KEY_WEBMASTER_META_DESCRIPTION = "portal.site.site_property.meta.description";
      private static final String MARK_PAGE_HEAD_META_AUTHOR = "meta_author";
      private static final String MARK_PAGE_HEAD_META_COPYRIGHT = "meta_copyright";
      private static final String MARK_PAGE_HEAD_META_KEYWORDS = "meta_keywords";
      private static final String MARK_PAGE_HEAD_META_DESCRIPTION = "meta_description";
      private static final String MARK_PAGE_HEAD_META_GENERATOR = "meta_generator";
  
      /**
       * Substitue specific Freemarker markers in the page template.
       * @param rootModel the HashMap containing markers to substitute
       * @param data A PageData object containing applications data
       * @param nMode The current mode
       * @param request The HTTP request
       */
      @Override
      public void fillTemplate( Map<String, Object> rootModel, PageData data, int nMode, HttpServletRequest request )
      {
          String strMetaAuthor = ( data.getMetaAuthor(  ) != null ) ? data.getMetaAuthor(  )
                                                                    : DatastoreService.getDataValue( KEY_WEBMASTER_META_AUTHOR,
                  "" );
          String strMetaCopyright = ( data.getMetaCopyright(  ) != null ) ? data.getMetaCopyright(  )
                                                                          : DatastoreService.getDataValue( KEY_WEBMASTER_META_COPYRIGHT,
                  "" );
          String strMetaKeywords = ( ( data.getMetaKeywords(  ) != null ) && ( data.getMetaKeywords(  ).length(  ) > 0 ) )
              ? ( DatastoreService.getDataValue( KEY_WEBMASTER_META_KEYWORDS, "" ) + ", " + data.getMetaKeywords(  ) )
              : DatastoreService.getDataValue( KEY_WEBMASTER_META_KEYWORDS, "" );
          String strMetaDescription = ( ( data.getMetaDescription(  ) != null ) &&
              ( data.getMetaDescription(  ).length(  ) > 0 ) ) ? data.getMetaDescription(  )
                                                               : DatastoreService.getDataValue( KEY_WEBMASTER_META_DESCRIPTION,
                  "" );
  
          rootModel.put( MARK_PAGE_HEAD_META_AUTHOR, strMetaAuthor );
          rootModel.put( MARK_PAGE_HEAD_META_COPYRIGHT, strMetaCopyright );
          rootModel.put( MARK_PAGE_HEAD_META_KEYWORDS, strMetaKeywords );
          rootModel.put( MARK_PAGE_HEAD_META_DESCRIPTION, strMetaDescription );
          rootModel.put( MARK_PAGE_HEAD_META_GENERATOR, "LUTECE " + AppInfo.getVersion(  ) );
      }
  }