GalleryUpdateMediaDataProcess.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.silverpeas.components.gallery.dao.MediaDAO;
import org.silverpeas.components.gallery.delegate.MediaDataUpdateDelegate;
import org.silverpeas.components.gallery.model.AlbumMedia;
import org.silverpeas.components.gallery.model.Media;
import org.silverpeas.components.gallery.notification.AlbumMediaEventNotifier;
import org.silverpeas.components.gallery.process.AbstractGalleryDataProcess;
import org.silverpeas.core.contribution.content.form.PagesContext;
import org.silverpeas.core.notification.system.ResourceEvent;
import org.silverpeas.core.process.management.ProcessExecutionContext;
import org.silverpeas.core.process.session.ProcessSession;
import java.util.Collection;
import static org.silverpeas.kernel.util.StringUtil.isDefined;
/**
* Process to update a media in Database
* @author Yohann Chastagnier
*/
public class GalleryUpdateMediaDataProcess extends AbstractGalleryDataProcess {
/**
* Delegate in charge of updating media data
*/
private final MediaDataUpdateDelegate delegate;
private final boolean updateTechnicalData;
private final Media mediaBeforeChanges;
private Collection<String> albumIds;
/**
* Gets an instance
* @param media
* @return
*/
public static GalleryUpdateMediaDataProcess getInstance(final Media media) {
return new GalleryUpdateMediaDataProcess(media, null, false);
}
/**
* Gets an instance
* @param media
* @param delegate
* @return
*/
public static GalleryUpdateMediaDataProcess getInstance(final Media media,
final MediaDataUpdateDelegate delegate) {
return new GalleryUpdateMediaDataProcess(media, delegate, true);
}
/**
* Default hidden constructor
* @param media
* @param delegate
* @param updateTechnicalData
*/
protected GalleryUpdateMediaDataProcess(final Media media, final MediaDataUpdateDelegate delegate,
final boolean updateTechnicalData) {
super(media);
this.delegate = delegate;
this.updateTechnicalData = updateTechnicalData;
this.mediaBeforeChanges = media.getCopy();
}
/*
* (non-Javadoc)
*
* AbstractGalleryDataProcess#processData(com.silverpeas.gallery
* .process.GalleryProcessExecutionContext, ProcessSession)
*/
@Override
protected void processData(final ProcessExecutionContext context,
final ProcessSession session) throws Exception {
// Sets functional data media
if (delegate != null) {
// Gets the albums
albumIds = MediaDAO.getAlbumIdsOf(getMedia());
if (delegate.isHeaderData()) {
delegate.updateHeader(getMedia());
}
// Persists form data
if (delegate.isForm()) {
final String mediaId = getMedia().getId();
final PagesContext pageContext =
new PagesContext("mediaForm", "0", delegate.getLanguage(), false,
context.getComponentInstanceId(), context.getUser().getId(), delegate.getAlbumId());
pageContext.setEncoding("UTF-8");
pageContext.setObjectId(mediaId);
if (delegate.isSkipEmptyValues()) {
pageContext.setUpdatePolicy(PagesContext.ON_UPDATE_IGNORE_EMPTY_VALUES);
}
delegate.updateForm(mediaId, pageContext);
}
}
// Update media
updateMedia(updateTechnicalData, context);
}
@Override
public void onSuccessful() throws Exception {
super.onSuccessful();
if (isDefined(mediaBeforeChanges.getId()) && albumIds != null) {
final AlbumMediaEventNotifier notifier = AlbumMediaEventNotifier.get();
for (final String albumId : albumIds) {
notifier.notifyEventOn(ResourceEvent.Type.UPDATE,
new AlbumMedia(albumId, mediaBeforeChanges),
new AlbumMedia(albumId, getMedia()));
}
}
}
}