/**
* Vosao CMS. Simple CMS for Google App Engine.
*
* Copyright (C) 2009-2010 Vosao development team.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* email: vosao.dev@gmail.com
*/
package org.vosao.dao.impl;
import static com.google.appengine.api.datastore.Query.FilterOperator.EQUAL;
import java.util.Date;
import java.util.List;
import org.vosao.dao.BaseDaoImpl;
import org.vosao.dao.FileChunkDao;
import org.vosao.dao.FileDao;
import org.vosao.entity.FileEntity;
import com.google.appengine.api.datastore.Query;
public class FileDaoImpl extends BaseDaoImpl<FileEntity>
implements FileDao {
public FileDaoImpl() {
super(FileEntity.class);
}
@Override
public void remove(final Long fileId) {
if (fileId == null) {
return;
}
getFileChunkDao().removeByFile(fileId);
super.remove(fileId);
}
@Override
public void remove(final List<Long> ids) {
for (Long fileId : ids) {
remove(fileId);
}
}
@Override
public List<FileEntity> getByFolder(Long folderId) {
Query q = newQuery();
q.addFilter("folderId", EQUAL, folderId);
return select(q, "getByFolder", params(folderId));
}
@Override
public FileEntity getByName(Long folderId, String name) {
Query q = newQuery();
q.addFilter("folderId", EQUAL, folderId);
q.addFilter("filename", EQUAL, name);
return selectOne(q, "getByName", params(folderId, name));
}
@Override
public void save(FileEntity file, byte[] content) {
file.setLastModifiedTime(new Date());
file.setSize(content.length);
save(file);
getFileChunkDao().save(file, content);
}
@Override
public void removeByFolder(Long folderId) {
List<FileEntity> files = getByFolder(folderId);
for (FileEntity file : files) {
remove(file.getId());
}
}
@Override
public void removeAll() {
super.removeAll();
getFileChunkDao().removeAll();
}
public FileChunkDao getFileChunkDao() {
return getDao().getFileChunkDao();
}
@Override
public byte[] getFileContent(FileEntity file) {
return getFileChunkDao().getFileContent(file);
}
}