001: /**********************************************************************************
002: * $URL: https://source.sakaiproject.org/svn/rwiki/tags/sakai_2-4-1/rwiki-impl/impl/src/java/uk/ac/cam/caret/sakai/rwiki/component/message/PreferenceServiceImpl.java $
003: * $Id: PreferenceServiceImpl.java 9108 2006-05-08 14:30:57Z ian@caret.cam.ac.uk $
004: ***********************************************************************************
005: *
006: * Copyright (c) 2003, 2004, 2005, 2006 The Sakai Foundation.
007: *
008: * Licensed under the Educational Community License, Version 1.0 (the "License");
009: * you may not use this file except in compliance with the License.
010: * You may obtain a copy of the License at
011: *
012: * http://www.opensource.org/licenses/ecl1.php
013: *
014: * Unless required by applicable law or agreed to in writing, software
015: * distributed under the License is distributed on an "AS IS" BASIS,
016: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
017: * See the License for the specific language governing permissions and
018: * limitations under the License.
019: *
020: **********************************************************************************/package uk.ac.cam.caret.sakai.rwiki.component.message;
021:
022: import java.util.Date;
023: import java.util.Iterator;
024: import java.util.List;
025:
026: import org.apache.commons.logging.Log;
027: import org.apache.commons.logging.LogFactory;
028:
029: import uk.ac.cam.caret.sakai.rwiki.service.message.api.PreferenceService;
030: import uk.ac.cam.caret.sakai.rwiki.service.message.api.dao.PreferenceDao;
031: import uk.ac.cam.caret.sakai.rwiki.service.message.api.model.Preference;
032:
033: /**
034: * @author ieb
035: */
036: public class PreferenceServiceImpl implements PreferenceService {
037:
038: private static Log log = LogFactory
039: .getLog(MessageServiceImpl.class);
040:
041: private PreferenceDao preferenceDao = null;
042:
043: /**
044: * {@inheritDoc}
045: */
046: public void updatePreference(String user, String context,
047: String type, String preference) {
048: Preference pref = preferenceDao.findExactByUser(user, context,
049: type);
050: if (pref != null) {
051: pref.setPreference(preference);
052: pref.setLastseen(new Date());
053: preferenceDao.update(pref);
054: } else {
055: pref = preferenceDao.createPreference(user, context, type,
056: preference);
057: preferenceDao.update(pref);
058: }
059: }
060:
061: public String findPreferenceAt(String user, String context,
062: String type) {
063: String baseSearch = "/";
064: List l = preferenceDao.findByUser(user, baseSearch, type);
065: Preference selected = null;
066: for (Iterator i = l.iterator(); i.hasNext();) {
067: Preference p = (Preference) i.next();
068:
069: if (context.startsWith(p.getPrefcontext())) {
070:
071: if (selected == null
072: || p.getPrefcontext().length() > selected
073: .getPrefcontext().length()) {
074: selected = p;
075: }
076: }
077: }
078: if (selected == null)
079: return null;
080: return selected.getPreference();
081: }
082:
083: /**
084: * @return Returns the preferenceDao.
085: */
086: public PreferenceDao getPreferenceDao() {
087: return preferenceDao;
088: }
089:
090: /**
091: * @param preferenceDao
092: * The preferenceDao to set.
093: */
094: public void setPreferenceDao(PreferenceDao preferenceDao) {
095: this .preferenceDao = preferenceDao;
096: }
097:
098: public void deleteAllPreferences(String user, String context,
099: String type) {
100: preferenceDao.delete(user, context, type);
101: }
102:
103: public void deletePreference(String user, String context,
104: String type) {
105: preferenceDao.deleteExact(user, context, type);
106: }
107:
108: }
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