/*
    * Copyright (c) 2002-2023, City of 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.plugins.document.service;
  
  import fr.paris.lutece.plugins.document.business.DocumentType;
  import fr.paris.lutece.plugins.document.business.DocumentTypeHome;
  import fr.paris.lutece.util.xml.XmlUtil;
  
  
  /**
   *
   *
   */
  public class DocumentTypeService
  {
      private static final String TAG_DOCUMENT_TYPES = "document_types";
      private static final String TAG_DOCUMENT_TYPE = "document_type";
      private static final String TAG_DOCUMENT_TYPE_CODE = "code_document_type";
      private static final String TAG_DOCUMENT_TYPE_NAME = "document_type_name";
      private static final String TAG_DOCUMENT_TYPE_DESCRIPTION = "description";
      private static final String TAG_DOCUMENT_TYPE_THUMBNAIL_ATTRIBUTE_ID = "thumbnail_attr_id";
      private static final String TAG_DOCUMENT_TYPE_DEFAULT_THUMBNAIL_URL = "default_thumbnail_url";
      private static final String TAG_DOCUMENT_TYPE_METADATA_HANDLER = "metadata_handler";
  
      //CONSTANTS
      private static DocumentTypeServicee/DocumentTypeService.html#DocumentTypeService">DocumentTypeService _singleton = new DocumentTypeService(  );
  
      /** Creates a new instance of DocumentSpacesService */
      private DocumentTypeService(  )
      {
      }
  
      /**
       * Returns the unique instance of the service
       * @return the unique instance of the service
       */
      public static DocumentTypeService getInstance(  )
      {
          return _singleton;
      }
  
      /**
       * Gets document types list as an XML document
       * @return An XML document containing document types
       */
      public String getXmlDocumentTypesList(  )
      {
          StringBuffer sbXML = new StringBuffer(  );
          XmlUtil.beginElement( sbXML, TAG_DOCUMENT_TYPES );
  
          for ( DocumentType type : DocumentTypeHome.findAll(  ) )
          {
              findDocumentTypes( sbXML, type.getCode(  ) );
          }
  
          XmlUtil.endElement( sbXML, TAG_DOCUMENT_TYPES );
  
          return sbXML.toString(  );
      }
  
      /**
       * Build recursively the XML document containing the arborescence of document types
       *
       * @param sbXML The buffer in which adding the current space of the arborescence
       * @param strDocumentTypeCode The current type of the recursive course
       */
      private void findDocumentTypes( StringBuffer sbXML, String strDocumentTypeCode )
      {
         DocumentType type = DocumentTypeHome.findByPrimaryKey( strDocumentTypeCode );
 
         XmlUtil.beginElement( sbXML, TAG_DOCUMENT_TYPE );
         XmlUtil.addElement( sbXML, TAG_DOCUMENT_TYPE_CODE, type.getCode(  ) );
         XmlUtil.addElement( sbXML, TAG_DOCUMENT_TYPE_NAME, type.getName(  ) );
         XmlUtil.addElement( sbXML, TAG_DOCUMENT_TYPE_DESCRIPTION, type.getDescription(  ) );
         XmlUtil.addElement( sbXML, TAG_DOCUMENT_TYPE_THUMBNAIL_ATTRIBUTE_ID, type.getThumbnailAttributeId(  ) );
         XmlUtil.addElement( sbXML, TAG_DOCUMENT_TYPE_DEFAULT_THUMBNAIL_URL, type.getDefaultThumbnailUrl(  ) );
         XmlUtil.addElement( sbXML, TAG_DOCUMENT_TYPE_METADATA_HANDLER, type.getMetadataHandler(  ) );
         XmlUtil.endElement( sbXML, TAG_DOCUMENT_TYPE );
     }
 }