/*
- * 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 java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
-import freemarker.template.*;
-
-import mir.storage.*;
-import mir.entity.*;
-import mir.misc.*;
-
-/**
- * <b>Diese Klasse implementiert die Datenbankverbindung zur MetaObjekt-Tabelle
- *
- *
- */
-
-public class DatabaseTopics extends Database implements StorageObject{
+import mir.entity.Entity;
+import mir.entity.EntityBrowser;
+import mir.log.LoggerWrapper;
+import mir.storage.Database;
+import mir.storage.DatabaseFailure;
+public class DatabaseTopics extends Database {
private static DatabaseTopics 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 DatabaseTopics getInstance()
- throws StorageObjectException {
- if (instance == null) {
- instance = new DatabaseTopics();
- instance.myselfDatabase = instance;
- }
+ public synchronized static DatabaseTopics getInstance() {
+ if (instance == null) {
+ instance = new DatabaseTopics();
+ }
return instance;
}
- private DatabaseTopics() throws StorageObjectException
- {
- super();
- //this.cache = new DatabaseCache(20);
- this.hasTimestamp = false;
- this.theTable="topic";
- try {
- this.theEntityClass = Class.forName("mircoders.entity.EntityTopics");
- }
- catch (Exception e) {
- throw new StorageObjectException(e.toString());
- }
+ private DatabaseTopics() throws DatabaseFailure {
+ super();
- }
+ logger = new LoggerWrapper("Database.Topics");
- public SimpleList getPopupData() throws StorageObjectException {
- return getPopupData("title",true);
+ mainTable = "topic";
+ entityClass = mircoders.entity.EntityTopics.class;
}
+ public List getPopupData() throws DatabaseFailure {
+ List result = new ArrayList();
+ Iterator i = new EntityBrowser(this, "", "title", 100, -1, 0);
+ while (i.hasNext()) {
+ Entity e = (Entity) i.next();
+ Map entry = new HashMap();
+ entry.put("key", e.getId());
+ entry.put("value", e.getFieldValue("title"));
+ result.add(entry);
+ }
+
+ return result;
+ }
}