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 the com.oreilly.servlet library, any library
22 * licensed under the Apache Software License, The Sun (tm) Java Advanced
23 * Imaging library (JAI), The Sun JIMI library (or with modified versions of
24 * the above that use the same license as the above), and distribute linked
25 * combinations including the two. You must obey the GNU General Public
26 * License in all respects for all of the code used other than the above
27 * mentioned libraries. If you modify this file, you may extend this exception
28 * to your version of the file, but you are not obligated to do so. If you do
29 * not wish to do so, delete this exception statement from your version.
32 package mircoders.storage;
34 import java.util.GregorianCalendar;
36 import mir.entity.Entity;
37 import mir.log.LoggerWrapper;
38 import mir.misc.StringUtil;
39 import mir.storage.Database;
40 import mir.storage.StorageObject;
41 import mir.storage.StorageObjectFailure;
42 import freemarker.template.SimpleList;
45 * <b>Diese Klasse implementiert die Datenbankverbindung zur MetaObjekt-Tabelle
50 public class DatabaseImages extends Database implements StorageObject{
52 private static DatabaseImages instance;
53 private static SimpleList publisherPopupData;
55 // the following *has* to be sychronized cause this static method
56 // could get preemted and we could end up with 2 instances of DatabaseFoo..
57 // see the "Singletons with needles and thread" article at JavaWorld -mh
58 public synchronized static DatabaseImages getInstance() {
59 if (instance == null) {
60 instance = new DatabaseImages();
61 instance.myselfDatabase = instance;
66 private DatabaseImages() {
69 logger = new LoggerWrapper("Database.Images");
73 theCoreTable = "media";
74 theEntityClass = mircoders.entity.EntityImages.class;
77 public SimpleList getPopupData() throws StorageObjectFailure {
78 return getPopupData("title", true);
81 public void update(Entity theEntity) throws StorageObjectFailure {
82 String date = theEntity.getValue("date");
84 date = StringUtil.date2webdbDate(new GregorianCalendar());
85 theEntity.setValueForProperty("date", date);
88 super.update(theEntity);
91 public String insert(Entity theEntity) throws StorageObjectFailure {
92 String date = theEntity.getValue("date");
95 date = StringUtil.date2webdbDate(new GregorianCalendar());
96 theEntity.setValueForProperty("date", date);
99 return super.insert(theEntity);
102 // initialisierungen aus den statischen Tabellen