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.sql.Connection;
35 import java.sql.SQLException;
36 import java.sql.Statement;
38 import mir.log.LoggerWrapper;
39 import mir.storage.Database;
40 import mir.storage.StorageObject;
41 import mir.storage.StorageObjectFailure;
42 import freemarker.template.SimpleList;
45 * <b>This class implements the access to the comment-table for the
51 public class DatabaseComment extends Database implements StorageObject{
53 private static DatabaseComment instance;
55 public static DatabaseComment getInstance() {
56 if (instance == null) {
57 synchronized (DatabaseComment.class) {
58 if (instance == null) {
59 instance = new DatabaseComment();
60 instance.myselfDatabase = instance;
67 private DatabaseComment() {
71 logger = new LoggerWrapper("Database.Comment");
73 this.theEntityClass = mircoders.entity.EntityComment.class;
76 public SimpleList getPopupData() throws StorageObjectFailure {
77 return getPopupData("title", true);
80 public boolean deleteByContentId(String id) throws StorageObjectFailure {
81 Statement stmt = null;
82 Connection con = null;
86 /** @todo comments and topics should be deleted */
87 sql = "delete from " + theTable + " where to_media=" + id;
88 logger.info("DELETE "+ sql);
92 stmt = con.createStatement();
93 res = stmt.executeUpdate(sql);
95 catch (SQLException sqe) {
96 new StorageObjectFailure(sqe);
100 freeConnection(con, stmt);