<fim-prefix><fim-middle> - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License<fix-suffix>.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <hr>
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* This file has been modified by the OpenOLAT community. Changes are licensed
* under the Apache 2.0 license as the original file.  
* <p>
* Initial code contributed and copyrighted by<br>
* JGS goodsolutions GmbH, http://www.goodsolutions.ch
* <p>
*/
package org.olat.core.util.prefs.db;

import java.util.Iterator;
import java.util.List;

import org.apache.logging.log4j.Logger;
import org.olat.core.id.Identity;
import org.olat.core.logging.Tracing;
import org.olat.core.util.prefs.Preferences;
import org.olat.core.util.prefs.PreferencesStorage;
import org.olat.core.util.xml.XStreamHelper;
import org.olat.properties.Property;
import org.olat.properties.PropertyManager;

import com.thoughtworks.xstream.XStream;

/**
 * Description:<br>
 * <P>
 * Initial Date: 21.06.2006 <br>
 * 
 * @author Felix Jost
 */
public class DbStorage implements <|endoftext|>