001    /**
002     * Copyright 2005-2012 The Kuali Foundation
003     *
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.opensource.org/licenses/ecl2.php
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.kuali.rice.ken.service.impl;
017    
018    import org.kuali.rice.core.framework.persistence.dao.GenericDao;
019    import org.kuali.rice.ken.bo.NotificationChannel;
020    import org.kuali.rice.ken.bo.NotificationProducer;
021    import org.kuali.rice.ken.service.NotificationAuthorizationService;
022    import org.kuali.rice.ken.util.NotificationConstants;
023    import org.kuali.rice.kim.api.KimConstants;
024    import org.kuali.rice.kim.api.group.Group;
025    import org.kuali.rice.kim.api.group.GroupService;
026    import org.kuali.rice.kim.api.identity.Person;
027    import org.kuali.rice.kim.api.services.KimApiServiceLocator;
028    
029    import java.util.List;
030    
031    
032    /**
033     * NotificationAuthorizationService implementation - this is the default out-of-the-box implementation of the service.
034     * @author Kuali Rice Team (rice.collab@kuali.org)
035     */
036    public class NotificationAuthorizationServiceImpl implements NotificationAuthorizationService {
037        private static org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(NotificationAuthorizationServiceImpl.class);
038    
039        private GenericDao businessObjectDao;
040    
041        /**
042         * Constructs a NotificationAuthorizationServiceImpl class instance.
043         * @param businessObjectDao
044         */
045        public NotificationAuthorizationServiceImpl(GenericDao businessObjectDao) {
046            this.businessObjectDao = businessObjectDao;
047        }
048    
049        /**
050         * @see org.kuali.rice.ken.service.NotificationAuthorizationService#isProducerAuthorizedToSendNotificationForChannel(org.kuali.rice.ken.bo.NotificationProducer, org.kuali.rice.ken.bo.NotificationChannel)
051         */
052        public boolean isProducerAuthorizedToSendNotificationForChannel(NotificationProducer producer, NotificationChannel channel) {
053            List channels = producer.getChannels();
054    
055            if(channels.contains(channel)) {
056                return true;
057            } else {
058                return false;
059            }
060        }
061    
062        /**
063         * Implements by calling the is user member of service in KEW's workgroup service, looking for a specific membership
064         * in the "NotificationAdmin" workgroup.
065         * @see org.kuali.rice.ken.service.NotificationAuthorizationService#isUserAdministrator(java.lang.String)
066         */
067        public boolean isUserAdministrator(String userId) {
068            String groupNameId = NotificationConstants.KEW_CONSTANTS.NOTIFICATION_ADMIN_GROUP_NAME;
069                Person user = KimApiServiceLocator.getPersonService().getPerson(userId);
070                if (user == null) {
071                    return false;
072                }
073    
074            final GroupService groupService = KimApiServiceLocator.getGroupService();
075            Group group = groupService.getGroupByNamespaceCodeAndName(KimConstants.KIM_GROUP_WORKFLOW_NAMESPACE_CODE,
076                    groupNameId);
077                    return group == null ? false : groupService.isMemberOfGroup(user.getPrincipalId(), group.getId());
078        }
079    }