content: /*
    This file is part of Airsonic.
  
    Airsonic is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
  
    Airsonic 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 General Public License for more details.
  
    You should have received a copy of the GNU General Public License
    along with Airsonic.  If not, see <http://www.gnu.org/licenses/>.
  
    Copyright 2017 (C) Airsonic Authors
    Based upon Subsonic, Copyright 2009 (C) Sindre Mehus
  */
  package org.airsonic.player.service.upnp;
  
  import org.airsonic.player.domain.MediaLibraryStatistics;
  import org.airsonic.player.service.search.IndexManager;
  import org.fourthline.cling.support.model.DIDLContent;
  import org.fourthline.cling.support.model.WriteStatus;
  import org.fourthline.cling.support.model.container.Container;
  import org.fourthline.cling.support.model.container.StorageFolder;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Component;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * @author Allen Petersen
   * @version $Id$
   */
  @Component
  public class RootUpnpProcessor extends UpnpContentProcessor <Container, Container> {
  
      @Autowired
      IndexManager indexManager;
  
      public Container createRootContainer() {
          StorageFolder root = new StorageFolder();
          root.setId(DispatchingContentDirectory.CONTAINER_ID_ROOT);
          root.setParentID("-1");
  
          MediaLibraryStatistics statistics = indexManager.getStatistics();
          // returning large storageUsed values doesn't play nicely with
          // some upnp clients
          //root.setStorageUsed(statistics == null ? 0 : statistics.getTotalLengthInBytes());
          root.setStorageUsed(-1L);
          root.setTitle("Airsonic Media");
          root.setRestricted(true);
          root.setSearchable(true);
          root.setWriteStatus(WriteStatus.NOT_WRITABLE);
  
          root.setChildCount(6);
          return root;
      }
  
      public Container createContainer(Container item) {
          // the items are the containers in this case.
          return item;
      }
  
      public List<Container> getAllItems() throws Exception {
          ArrayList<Container> allItems = new ArrayList<Container>();
          allItems.add(getDispatchingContentDirectory().getAlbumProcessor().createRootContainer());
          allItems.add(getDispatchingContentDirectory().getArtistProcessor().createRootContainer());
          allItems.add(getDispatchingContentDirectory().getMediaFileProcessor().createRootContainer());
          allItems.add(getDispatchingContentDirectory().getGenreProcessor().createRootContainer());
          allItems.add(getDispatchingContentDirectory().getPlaylistProcessor().createRootContainer());
          allItems.add(getDispatchingContentDirectory().getRecentAlbumProcessor().createRootContainer());
          return allItems;
      }
  
      public Container getItemById(String id) {
          return createRootContainer();
      }
  
      public List<Container> getChildren(Container item) throws Exception {
          return getAllItems();
      }
  
      public void addChild(DIDLContent didl, Container child) {
          // special case; root doesn't have object instances
      }
  }
  