/*
    * 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.plugins.folderlisting.service;
  
  import fr.paris.lutece.portal.service.resource.Resource;
  import fr.paris.lutece.portal.service.resource.ResourceLoader;
  import fr.paris.lutece.portal.service.util.AppLogService;
  import fr.paris.lutece.portal.service.util.AppPathService;
  import fr.paris.lutece.portal.service.util.AppPropertiesService;
  import fr.paris.lutece.util.filesystem.DirectoryNotFoundException;
  import fr.paris.lutece.util.filesystem.FileSystemUtil;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.IOException;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Properties;
  
  
  public class FolderLoaderProperties implements ResourceLoader
  {
      /////////////////////////////////////////////////////////////////////
      ////Properties
      private static final String PROPERTY_FOLDER_FILES_PATH = "folderlisting.files.path";
      private static final String PROPERTY_FOLDER_NAME = "folder.name";
      private static final String PROPERTY_FOLDER_PATH = "folder.path";
      private static final String PROPERTY_FOLDER_WORKGROUP = "folder.workgroup";
      private static final String EXT_FOLDER_FILES = ".properties";
      private String _strFolderFilesPath;
  
      /**
       * Constructor
       */
      public FolderLoaderProperties(  )
      {
          super(  );
          _strFolderFilesPath = AppPropertiesService.getProperty( PROPERTY_FOLDER_FILES_PATH );
      }
  
      /**
       * Gets all resource available for this Loader
       * @return A collection of resources
       */
      public Collection getResources(  )
      {
          ArrayList listFolders = new ArrayList(  );
  
          try
          {
              String strRootDirectory = AppPathService.getWebAppPath(  );
  
              for ( File file : FileSystemUtil.getFiles( strRootDirectory, _strFolderFilesPath ) )
              {
                  String fileName = file.getName(  );
  
                  if ( fileName.endsWith( EXT_FOLDER_FILES ) )
                  {
                      Folder folder = loadFolder( file );
                      listFolders.add( folder );
                  }
              }
          }
          catch ( DirectoryNotFoundException e )
          {
              AppLogService.error( e.getMessage(  ), e );
          }
 
         return listFolders;
     }
 
     /**
      * Get a resource by its Id
      * @param strId The resource Id
      * @return The resource
      */
     public Resource getResource( String strId )
     {
         Resource resource = null;
         String strFilePath = AppPathService.getPath( PROPERTY_FOLDER_FILES_PATH, strId + EXT_FOLDER_FILES );
         File file = new File( strFilePath );
 
         if ( file.exists(  ) )
         {
             resource = loadFolder( file );
         }
 
         return resource;
     }
 
     /**
      * Return the page
      * @param file The File to load
      * @return folder
      */
     private Folder loadFolder( File file )
     {
         Folder folder = new Folder(  );
         Properties properties = new Properties(  );
 
         try
         {
             FileInputStream is = new FileInputStream( file );
             properties.load( is );
             folder.setName( properties.getProperty( PROPERTY_FOLDER_NAME ) );
             folder.setPath( properties.getProperty( PROPERTY_FOLDER_PATH ) );
             folder.setWorkgroup( properties.getProperty( PROPERTY_FOLDER_WORKGROUP ) );
 
             String strFolderId = file.getName(  ).substring( 0, file.getName(  ).lastIndexOf( "." ) );
             folder.setId( strFolderId );
         }
         catch ( IOException e )
         {
             AppLogService.error( e.getMessage(  ), e );
         }
 
         return folder;
     }
 }