# GoToImage.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.servlets;

    import org.silverpeas.components.gallery.model.Media;
    import org.silverpeas.components.gallery.model.MediaPK;
    import org.silverpeas.components.gallery.service.GalleryService;
    import org.silverpeas.core.util.Charsets;
    import org.silverpeas.core.util.ServiceProvider;
    import org.silverpeas.core.util.URLUtil;
    import org.silverpeas.core.web.util.servlet.GoTo;

    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import java.net.URLEncoder;

    public class GoToImage extends GoTo {

      private static final long serialVersionUID = -8077728285107343008L;

      @Override
      public String getDestination(String objectId, HttpServletRequest req, HttpServletResponse res)
          throws Exception {
        MediaPK mediaPK = new MediaPK(objectId);
        Media media = getGalleryService().getMedia(mediaPK);
        String componentId = media.getMediaPK().getInstanceId();

        String gotoURL = URLUtil.getURL(null, componentId) + media.getURL();

        return "goto=" + URLEncoder.encode(gotoURL, Charsets.UTF_8.name());
      }

      private GalleryService getGalleryService() {
        return ServiceProvider.getService(GalleryService.class);
      }
    }