/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/rwiki/trunk/rwiki-impl/impl/src/java/uk/ac/cam/caret/sakai/rwiki/component/message/PreferenceServiceImpl.java $
* $Id: PreferenceServiceImpl.java 9108 2006-05-08 14:30:57Z ian@caret.cam.ac.uk $
***********************************************************************************
*
* Copyright (c) 2003, 2004, 2005, 2006 The Sakai Foundation.
*
* Licensed under the Educational Community License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.opensource.org/licenses/ecl1.php
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**********************************************************************************/
package uk.ac.cam.caret.sakai.rwiki.component.message;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import uk.ac.cam.caret.sakai.rwiki.service.message.api.PreferenceService;
import uk.ac.cam.caret.sakai.rwiki.service.message.api.dao.PreferenceDao;
import uk.ac.cam.caret.sakai.rwiki.service.message.api.model.Preference;
/**
* @author ieb
*/
public class PreferenceServiceImpl implements PreferenceService
{
private static Log log = LogFactory.getLog(MessageServiceImpl.class);
private PreferenceDao preferenceDao = null;
/**
* {@inheritDoc}
*/
public void updatePreference(String user, String context, String type,
String preference)
{
Preference pref = preferenceDao.findExactByUser(user, context, type);
if (pref != null)
{
pref.setPreference(preference);
pref.setLastseen(new Date());
preferenceDao.update(pref);
}
else
{
pref = preferenceDao.createPreference(user, context, type,
preference);
preferenceDao.update(pref);
}
}
public String findPreferenceAt(String user, String context, String type)
{
String baseSearch = "/";
List l = preferenceDao.findByUser(user, baseSearch, type);
Preference selected = null;
for (Iterator i = l.iterator(); i.hasNext();)
{
Preference p = (Preference) i.next();
if (context.startsWith(p.getPrefcontext()))
{
if (selected == null
|| p.getPrefcontext().length() > selected
.getPrefcontext().length())
{
selected = p;
}
}
}
if (selected == null) return null;
return selected.getPreference();
}
/**
* @return Returns the preferenceDao.
*/
public PreferenceDao getPreferenceDao()
{
return preferenceDao;
}
/**
* @param preferenceDao
* The preferenceDao to set.
*/
public void setPreferenceDao(PreferenceDao preferenceDao)
{
this.preferenceDao = preferenceDao;
}
public void deleteAllPreferences(String user, String context, String type)
{
preferenceDao.delete(user, context, type);
}
public void deletePreference(String user, String context, String type)
{
preferenceDao.deleteExact(user, context, type);
}
}