2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
31 package mircoders.storage;
33 import java.util.Iterator;
35 import mir.entity.Entity;
36 import mir.entity.EntityBrowser;
37 import mir.log.LoggerWrapper;
38 import mir.storage.Database;
39 import mir.storage.DatabaseFailure;
40 import mircoders.entity.EntityUploadedMedia;
42 public class DatabaseUploadedMedia extends Database {
43 private static DatabaseUploadedMedia instance;
45 public static synchronized DatabaseUploadedMedia getInstance() {
46 if (instance == null ) {
47 instance = new DatabaseUploadedMedia();
53 private DatabaseUploadedMedia() {
54 logger = new LoggerWrapper("Database.UploadedMedia");
56 mainTable="uploaded_media";
57 entityClass = EntityUploadedMedia.class;
62 * returns the media_type that belongs to the media item (via entityrelation)
63 * where db-flag is_published is true
65 public Entity getMediaType(Entity aMedia) throws DatabaseFailure {
68 Iterator i = new EntityBrowser(DatabaseMediaType.getInstance(), aMedia.getFieldValue("to_media_type") + " = id" , "id", 1);
71 type = (Entity) i.next();
75 logger.error("DatabaseUploadedMedia :: failed to get media_type: " + t.getMessage());
77 throw new DatabaseFailure("DatabaseUploadedMedia :: failed to get media_type", t);
82 protected String getPrimaryKeySequence() {
83 return "media_id_seq";