content: /*
   * Copyright 2002-2019 Drew Noakes and contributors
   *
   *    Licensed under the Apache License, Version 2.0 (the "License");
   *    you may not use this file except in compliance with the License.
   *    You may obtain a copy of the License at
   *
   *        https://www.apache.org/licenses/LICENSE-2.0
   *
   *    Unless required by applicable law or agreed to in writing, software
   *    distributed under the License is distributed on an "AS IS" BASIS,
   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *    See the License for the specific language governing permissions and
   *    limitations under the License.
   *
   * More information about this project is available at:
   *
   *    https://drewnoakes.com/code/exif/
   *    https://github.com/drewnoakes/metadata-extractor
   */
  package com.drew.metadata.mov;
  
  import com.drew.imaging.quicktime.QuickTimeHandler;
  import com.drew.metadata.Metadata;
  import com.drew.metadata.mov.media.*;
  import com.drew.metadata.mov.metadata.QuickTimeDataHandler;
  import com.drew.metadata.mov.metadata.QuickTimeDirectoryHandler;
  
  /**
   * @author Payton Garland
   */
  public class QuickTimeHandlerFactory
  {
      private static final String HANDLER_METADATA_DIRECTORY      = "mdir";
      private static final String HANDLER_METADATA_DATA           = "mdta";
      private static final String HANDLER_SOUND_MEDIA             = "soun";
      private static final String HANDLER_VIDEO_MEDIA             = "vide";
      private static final String HANDLER_TIMECODE_MEDIA          = "tmcd";
      private static final String HANDLER_TEXT_MEDIA              = "text";
      private static final String HANDLER_SUBTITLE_MEDIA          = "sbtl";
      private static final String HANDLER_MUSIC_MEDIA             = "musi";
  
      private QuickTimeHandler<?> caller;
  
      public QuickTimeHandlerFactory(QuickTimeHandler<?> caller)
      {
          this.caller = caller;
      }
  
      public QuickTimeHandler<?> getHandler(String type, Metadata metadata, QuickTimeContext context)
      {
          if (type.equals(HANDLER_METADATA_DIRECTORY)) {
              return new QuickTimeDirectoryHandler(metadata);
          } else if (type.equals(HANDLER_METADATA_DATA)) {
              return new QuickTimeDataHandler(metadata);
          } else if (type.equals(HANDLER_SOUND_MEDIA)) {
              return new QuickTimeSoundHandler(metadata, context);
          } else if (type.equals(HANDLER_VIDEO_MEDIA)) {
              return new QuickTimeVideoHandler(metadata, context);
          } else if (type.equals(HANDLER_TIMECODE_MEDIA)) {
              return new QuickTimeTimecodeHandler(metadata, context);
          } else if (type.equals(HANDLER_TEXT_MEDIA)) {
              return new QuickTimeTextHandler(metadata, context);
          } else if (type.equals(HANDLER_SUBTITLE_MEDIA)) {
              return new QuickTimeSubtitleHandler(metadata, context);
          } else if (type.equals(HANDLER_MUSIC_MEDIA)) {
              return new QuickTimeMusicHandler(metadata, context);
          }
          return caller;
      }
  }
  