GalleryStatistics.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;
import org.silverpeas.components.gallery.model.Media;
import org.silverpeas.components.gallery.model.MediaCriteria;
import org.silverpeas.components.gallery.service.GalleryService;
import org.silverpeas.core.annotation.Provider;
import org.silverpeas.core.silverstatistics.volume.model.UserIdCountVolumeCouple;
import org.silverpeas.core.silverstatistics.volume.service.ComponentStatisticsProvider;
import org.silverpeas.core.util.ServiceProvider;
import org.silverpeas.kernel.logging.SilverLogger;
import javax.inject.Named;
import java.io.IOException;
import java.nio.file.FileVisitResult;
import java.nio.file.FileVisitor;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import static org.silverpeas.components.gallery.constant.MediaType.*;
import static org.silverpeas.core.util.file.FileRepositoryManager.getAbsolutePath;
@Provider
@Named("gallery" + ComponentStatisticsProvider.QUALIFIER_SUFFIX)
public class GalleryStatistics implements ComponentStatisticsProvider {
@Override
public Collection<UserIdCountVolumeCouple> getVolume(String spaceId, String componentId) {
Collection<Media> media = getGalleryService().getAllMedia(componentId,
MediaCriteria.VISIBILITY.FORCE_GET_ALL);
List<UserIdCountVolumeCouple> myArrayList = new ArrayList<>(media.size());
for (Media aMedia : media) {
UserIdCountVolumeCouple myCouple = new UserIdCountVolumeCouple();
myCouple.setUserId(aMedia.getCreatorId());
myCouple.setCountVolume(1);
myArrayList.add(myCouple);
}
return myArrayList;
}
@Override
public long memorySizeOfSpecificFiles(final String componentId) {
final GalleryFileSizeCounter fileSizeCounter = new GalleryFileSizeCounter();
long result = 0L;
try {
Files.walkFileTree(Paths.get(getAbsolutePath(componentId)), fileSizeCounter);
result = fileSizeCounter.getSize();
} catch (IOException e) {
SilverLogger.getLogger(this).error(e);
}
return result;
}
@Override
public long countSpecificFiles(final String componentId) {
final GalleryFileCounter fileCounter = new GalleryFileCounter();
long result = 0L;
try {
Files.walkFileTree(Paths.get(getAbsolutePath(componentId)), fileCounter);
result = fileCounter.getCount();
} catch (IOException e) {
SilverLogger.getLogger(this).error(e);
}
return result;
}
private GalleryService getGalleryService() {
return ServiceProvider.getService(GalleryService.class);
}
private class GalleryFileCounter extends GallerySpecificFileVisitor {
private long count = 0L;
private GalleryFileCounter() {
super(false);
}
@Override
protected void handleDirectory(final Path file, final BasicFileAttributes attrs) {
count++;
}
@Override
protected void handleFile(final Path file, final BasicFileAttributes attrs) {
// handleDirectory is used here
}
long getCount() {
return count;
}
}
private class GalleryFileSizeCounter extends GallerySpecificFileVisitor {
private long size = 0L;
private GalleryFileSizeCounter() {
super(true);
}
@Override
protected void handleDirectory(final Path file, final BasicFileAttributes attrs) {
// handleFile is used here
}
@Override
protected void handleFile(final Path file, final BasicFileAttributes attrs) {
size += attrs.size();
}
long getSize() {
return size;
}
}
private abstract static class GallerySpecificFileVisitor implements FileVisitor<Path> {
private static final String PHOTO_PREFIX = Photo.getTechnicalFolder();
private static final String VIDEO_PREFIX = Video.getTechnicalFolder();
private static final String SOUND_PREFIX = Sound.getTechnicalFolder();
private boolean firstAccess = true;
private final FileVisitResult preVisitDirectoryResult;
GallerySpecificFileVisitor(final boolean visitFiles) {
this.preVisitDirectoryResult = visitFiles
? FileVisitResult.CONTINUE
: FileVisitResult.SKIP_SUBTREE;
}
@Override
public final FileVisitResult preVisitDirectory(final Path dir,
final BasicFileAttributes attrs) {
FileVisitResult result = preVisitDirectoryResult;
if (isSpecificDirectory(dir)) {
handleDirectory(dir, attrs);
} else if (!firstAccess) {
result = FileVisitResult.SKIP_SUBTREE;
}
if (firstAccess) {
firstAccess = false;
return FileVisitResult.CONTINUE;
} else {
return result;
}
}
private boolean isSpecificDirectory(final Path dir) {
final String fileName = dir.getFileName().toString();
return fileName.startsWith(PHOTO_PREFIX) || fileName.startsWith(VIDEO_PREFIX) ||
fileName.startsWith(SOUND_PREFIX);
}
@Override
public final FileVisitResult visitFile(final Path file, final BasicFileAttributes attrs) {
handleFile(file, attrs);
return FileVisitResult.CONTINUE;
}
@Override
public final FileVisitResult visitFileFailed(final Path file, final IOException exc) {
SilverLogger.getLogger(this).warn(exc);
return FileVisitResult.CONTINUE;
}
@Override
public final FileVisitResult postVisitDirectory(final Path dir, final IOException exc) {
return FileVisitResult.CONTINUE;
}
protected abstract void handleDirectory(final Path file, final BasicFileAttributes attrs);
protected abstract void handleFile(final Path file, final BasicFileAttributes attrs);
}
}