# GalleryCreateMediaFileProcess.java

    /*
     * Copyright (C) 2000 - 2024 Silverpeas
     *
     * This program is free software: you can redistribute it and/or modify
     * it under the terms of the GNU Affero General Public License as
     * published by the Free Software Foundation, either version 3 of the
     * License, or (at your option) any later version.
     *
     * As a special exception to the terms and conditions of version 3.0 of
     * the GPL, you may redistribute this Program in connection with Free/Libre
     * Open Source Software ("FLOSS") applications as described in Silverpeas's
     * FLOSS exception. You should have received a copy of the text describing
     * the FLOSS exception, and it is also available here:
     * "http://www.silverpeas.org/docs/core/legal/floss_exception.html"
     *
     * This program 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 Affero General Public License for more details.
     *
     * You should have received a copy of the GNU Affero General Public License
     * along with this program. If not, see <https://www.gnu.org/licenses/>.
     */
    package org.silverpeas.components.gallery.process.media;

    import org.apache.commons.fileupload.FileItem;
    import org.silverpeas.components.gallery.MediaUtil;
    import org.silverpeas.components.gallery.Watermark;
    import org.silverpeas.components.gallery.model.Media;
    import org.silverpeas.components.gallery.model.Photo;
    import org.silverpeas.components.gallery.model.Sound;
    import org.silverpeas.components.gallery.model.Video;
    import org.silverpeas.components.gallery.process.AbstractGalleryFileProcess;
    import org.silverpeas.core.process.io.file.FileHandler;
    import org.silverpeas.core.process.management.ProcessExecutionContext;
    import org.silverpeas.core.process.session.ProcessSession;
    import org.silverpeas.kernel.logging.SilverLogger;

    import java.io.File;

    /**
     * Process to create a media on file system
     * @author Yohann Chastagnier
     */
    public class GalleryCreateMediaFileProcess extends AbstractGalleryFileProcess {

      private final File file;
      private final FileItem fileItem;
      private final Watermark watermark;

      /**
       * Default hidden constructor
       * @param media
       * @param file
       * @param watermark
       * @param watermarkHD
       * @param watermarkOther
       */
      protected GalleryCreateMediaFileProcess(final Media media, final Object file,
          final Watermark watermark) {
        super(media);
        if (file != null) {
          if (file instanceof FileItem) {
            fileItem = (FileItem) file;
            this.file = null;
          } else if (file instanceof File) {
            this.file = (File) file;
            fileItem = null;
          } else {
            throw new IllegalArgumentException(
                "GalleryCreateMediaFileProcess() - parameter 'file' has to be a FileItem or File " +
                    "instance.");
          }
        } else {
          fileItem = null;
          this.file = null;
        }
        this.watermark = watermark;
      }

      /**
       * Gets an instance
       * @param media
       * @param file
       * @param watermark
       * @return
       */
      public static GalleryCreateMediaFileProcess getInstance(final Media media, final Object file,
          final Watermark watermark) {
        return new GalleryCreateMediaFileProcess(media, file, watermark);
      }

      /*
       * (non-Javadoc)
       * @see AbstractFileProcess#processFiles(org.silverpeas.process.
       * management.ProcessExecutionContext, ProcessSession,
       * FileHandler)
       */
      @Override
      public void processFiles(final ProcessExecutionContext context, final ProcessSession session,
          final FileHandler fileHandler) throws Exception {

        // Media
        switch (getMedia().getType()) {
          case Photo:
            processPhotoMedia(fileHandler);
            break;
          case Video:
            processVideoMedia(fileHandler);
            break;
          case Sound:
            processSoundMedia(fileHandler);
            break;

          default:
            // In other cases, there is no file to manage.
            SilverLogger.getLogger(this).warn("{0} media type not taken into charge",
                getMedia().getType().getName());
            break;
        }
      }

      private void processSoundMedia(final FileHandler fileHandler) throws Exception {
        Sound sound = getMedia().getSound();
        if (fileItem != null) {
          MediaUtil.processSound(fileHandler, sound, fileItem);
        } else {
          MediaUtil.processSound(fileHandler, sound, file);
        }
      }

      private void processVideoMedia(final FileHandler fileHandler) throws Exception {
        Video video = getMedia().getVideo();
        if (fileItem != null) {
          MediaUtil.processVideo(fileHandler, video, fileItem);
        } else {
          MediaUtil.processVideo(fileHandler, video, file);
        }
      }

      private void processPhotoMedia(final FileHandler fileHandler) throws Exception {
        Photo photo = getMedia().getPhoto();
        if (fileItem != null) {
          MediaUtil
              .processPhoto(fileHandler, photo, fileItem, watermark);
        } else {
          MediaUtil
              .processPhoto(fileHandler, photo, file, watermark);
        }
      }

    }