/*
- * Copyright (C) 2001, 2002 The Mir-coders group
+ * Copyright (C) 2001, 2002 The Mir-coders group
*
* This file is part of Mir.
*
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* In addition, as a special exception, The Mir-coders gives permission to link
- * the code of this program with the com.oreilly.servlet library, any library
- * licensed under the Apache Software License, The Sun (tm) Java Advanced
- * Imaging library (JAI), The Sun JIMI library (or with modified versions of
- * the above that use the same license as the above), and distribute linked
- * combinations including the two. You must obey the GNU General Public
- * License in all respects for all of the code used other than the above
- * mentioned libraries. If you modify this file, you may extend this exception
- * to your version of the file, but you are not obligated to do so. If you do
- * not wish to do so, delete this exception statement from your version.
+ * the code of this program with any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
*/
package mircoders.storage;
-import java.lang.*;
-import java.sql.*;
-import java.io.*;
-import java.util.*;
-
-import freemarker.template.*;
-
-import mir.storage.*;
-import mir.entity.*;
-import mir.misc.*;
+import java.sql.Connection;\r
+import java.sql.SQLException;\r
+import java.sql.Statement;\r
+\r
+import mir.log.LoggerWrapper;\r
+import mir.storage.Database;\r
+import mir.storage.StorageObject;\r
+import mir.storage.StorageObjectFailure;
/**
* <b>This class implements the access to the comment-table for the
public class DatabaseComment extends Database implements StorageObject{
- private static DatabaseComment instance;
+ private static DatabaseComment instance;
- // the following *has* to be sychronized cause this static method
- // could get preemted and we could end up with 2 instances of DatabaseFoo..
- // see the "Singletons with needles and thread" article at JavaWorld -mh
- public synchronized static DatabaseComment getInstance()
- throws StorageObjectException {
- if (instance == null) {
- instance = new DatabaseComment();
- instance.myselfDatabase = instance;
- }
- return instance;
- }
+ public synchronized static DatabaseComment getInstance() {
+ if (instance == null) {
+ instance = new DatabaseComment();
+ }
+ return instance;
+ }
- private DatabaseComment() throws StorageObjectException
- {
- super();
- this.hasTimestamp = false;
- ////this.cache = new HashMap();
- this.theTable="comment";
- try {
- this.theEntityClass = Class.forName("mircoders.entity.EntityComment");
- }
- catch (Exception e) { throw new StorageObjectException(e.toString()); }
- }
+ private DatabaseComment() {
+ super();
+ hasTimestamp = false;
+ theTable = "comment";
+ logger = new LoggerWrapper("Database.Comment");
- public SimpleList getPopupData()
- throws StorageObjectException { return getPopupData("title",true); }
+ this.theEntityClass = mircoders.entity.EntityComment.class;
+ }
- public boolean deleteByContentId(String id)
- throws StorageObjectException {
- Statement stmt=null;
- Connection con=null;
- String sql;
- int res = 0;
+ public boolean deleteByContentId(String id) throws StorageObjectFailure {
+ Statement stmt = null;
+ Connection con = null;
+ String sql;
+ int res = 0;
- /** @todo comments and topics should be deleted */
- sql = "delete from "+ theTable + " where to_media="+id;
- //theLog.printInfo("DELETE "+ sql);
+ /** @todo comments and topics should be deleted */
+ sql = "delete from " + theTable + " where to_media=" + id;
+ logger.info("DELETE "+ sql);
- try {
- con=getPooledCon();
- stmt = con.createStatement();
- res = stmt.executeUpdate(sql);
- } catch (SQLException sqe) {
- new StorageObjectException(sqe.toString());
- return false;
- } finally {
- freeConnection(con,stmt);
- }
- return true;
- }
+ try {
+ con = getPooledCon();
+ stmt = con.createStatement();
+ res = stmt.executeUpdate(sql);
+ }
+ catch (SQLException sqe) {
+ new StorageObjectFailure(sqe);
+ return false;
+ }
+ finally {
+ freeConnection(con, stmt);
+ }
+ return true;
+ }
}