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	Activities Dashlet: - added "I'm following" filter - prepared activities filter (not working yet) git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@28589 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
		
			
				
	
	
		
			633 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
			
		
		
	
	
			633 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
| /*
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|  * Copyright (C) 2005-2010 Alfresco Software Limited.
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|  *
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|  * This file is part of Alfresco
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|  *
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|  * Alfresco is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU Lesser General Public License as published by
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|  * the Free Software Foundation, either version 3 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * Alfresco is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU Lesser General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Lesser General Public License
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|  * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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|  */
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| package org.alfresco.repo.activities.feed;
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| 
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| import java.io.Serializable;
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| import java.util.ArrayList;
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| import java.util.HashMap;
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| import java.util.List;
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| import java.util.Map;
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| import java.util.Set;
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| 
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| import org.alfresco.model.ContentModel;
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| import org.alfresco.repo.action.executer.MailActionExecuter;
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| import org.alfresco.repo.admin.SysAdminParams;
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| import org.alfresco.repo.dictionary.RepositoryLocation;
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| import org.alfresco.repo.domain.activities.ActivityFeedEntity;
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| import org.alfresco.repo.lock.JobLockService;
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| import org.alfresco.repo.lock.LockAcquisitionException;
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| import org.alfresco.repo.security.authentication.AuthenticationContext;
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| import org.alfresco.repo.transaction.RetryingTransactionHelper;
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| import org.alfresco.repo.transaction.RetryingTransactionHelper.RetryingTransactionCallback;
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| import org.alfresco.service.cmr.action.Action;
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| import org.alfresco.service.cmr.action.ActionService;
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| import org.alfresco.service.cmr.activities.ActivityService;
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| import org.alfresco.service.cmr.admin.RepoAdminService;
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| import org.alfresco.service.cmr.model.FileFolderService;
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| import org.alfresco.service.cmr.repository.InvalidNodeRefException;
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| import org.alfresco.service.cmr.repository.NodeRef;
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| import org.alfresco.service.cmr.repository.NodeService;
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| import org.alfresco.service.cmr.repository.StoreRef;
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| import org.alfresco.service.cmr.repository.TemplateService;
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| import org.alfresco.service.cmr.search.SearchService;
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| import org.alfresco.service.cmr.security.PersonService;
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| import org.alfresco.service.cmr.site.SiteInfo;
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| import org.alfresco.service.cmr.site.SiteService;
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| import org.alfresco.service.namespace.NamespaceException;
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| import org.alfresco.service.namespace.NamespaceService;
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| import org.alfresco.service.namespace.QName;
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| import org.alfresco.service.transaction.TransactionService;
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| import org.alfresco.util.ModelUtil;
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| import org.alfresco.util.Pair;
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| import org.alfresco.util.ParameterCheck;
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| import org.alfresco.util.PropertyCheck;
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| import org.alfresco.util.UrlUtil;
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| import org.alfresco.util.VmShutdownListener;
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| import org.alfresco.util.VmShutdownListener.VmShutdownException;
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| import org.apache.commons.logging.Log;
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| import org.apache.commons.logging.LogFactory;
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| import org.json.JSONException;
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| import org.springframework.extensions.surf.util.I18NUtil;
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| 
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| /**
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|  * Implementation of the Activity Feed Notifier component
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|  * 
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|  * Note: currently implemented to email activities stored in JSON format
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|  * 
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|  * @since 3.5
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|  */
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| public class FeedNotifierImpl implements FeedNotifier
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| {
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|     private static Log logger = LogFactory.getLog(FeedNotifierImpl.class);
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|     
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|     private static final QName LOCK_QNAME = QName.createQName(NamespaceService.SYSTEM_MODEL_1_0_URI, "ActivityFeedNotifier");
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|     private static final long LOCK_TTL = 30000L;
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|     private static ThreadLocal<Pair<Long, String>> lockThreadLocal = new ThreadLocal<Pair<Long, String>>();
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|     
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|     private static VmShutdownListener vmShutdownListener = new VmShutdownListener(FeedNotifierImpl.class.getName());
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|     
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|     private static final String MSG_EMAIL_SUBJECT = "activities.feed.notifier.email.subject";
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|     
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|     private ActivityService activityService;
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|     private PersonService personService;
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|     private NodeService nodeService;
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|     private FileFolderService fileFolderService;
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|     private ActionService actionService;
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|     private SearchService searchService;
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|     private NamespaceService namespaceService;
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|     private SiteService siteService;
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|     private JobLockService jobLockService;
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|     private TransactionService transactionService;
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|     private AuthenticationContext authenticationContext;
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|     private SysAdminParams sysAdminParams;
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|     private RepoAdminService repoAdminService;
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|     private List<String> excludedEmailSuffixes;
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|     
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|     private RepositoryLocation feedEmailTemplateLocation;
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|     
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|     
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|     public void setActivityService(ActivityService activityService)
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|     {
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|         this.activityService = activityService;
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|     }
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|     
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|     public void setPersonService(PersonService personService)
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|     {
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|         this.personService = personService;
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|     }
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|     
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|     public void setNodeService(NodeService nodeService)
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|     {
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|         this.nodeService = nodeService;
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|     }
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|     
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|     public void setFileFolderService(FileFolderService fileFolderService)
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|     {
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|         this.fileFolderService = fileFolderService;
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|     }
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|     
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|     public void setActionService(ActionService actionService)
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|     {
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|         this.actionService = actionService;
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|     }
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|     
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|     public void setSearchService(SearchService searchService)
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|     {
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|         this.searchService = searchService;
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|     }
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|     
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|     public void setNamespaceService(NamespaceService namespaceService)
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|     {
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|         this.namespaceService = namespaceService;
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|     }
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|     
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|     public void setSiteService(SiteService siteService)
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|     {
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|         this.siteService = siteService;
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|     }
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|     
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|     public void setJobLockService(JobLockService jobLockService)
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|     {
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|         this.jobLockService = jobLockService;
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|     }
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|     
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|     public void setTransactionService(TransactionService transactionService)
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|     {
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|         this.transactionService = transactionService;
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|     }
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|     
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|     public void setAuthenticationContext(AuthenticationContext authenticationContext)
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|     {
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|         this.authenticationContext = authenticationContext;
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|     }
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|     
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|     public void setFeedEmailTemplateLocation(RepositoryLocation feedEmailTemplateLocation)
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|     {
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|         this.feedEmailTemplateLocation = feedEmailTemplateLocation;
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|     }
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|     
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|     public void setSysAdminParams(SysAdminParams sysAdminParams)
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|     {
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|         this.sysAdminParams = sysAdminParams;
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|     }
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|     
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|     public void setRepoAdminService(RepoAdminService repoAdminService)
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|     {
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|         this.repoAdminService = repoAdminService;
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|     }
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|     
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|     public void setExcludedEmailSuffixes(List<String> excludedEmailSuffixes)
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|     {
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|         this.excludedEmailSuffixes = excludedEmailSuffixes;
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|     }
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|     
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|     /**
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|      * Perform basic checks to ensure that the necessary dependencies were injected.
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|      */
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|     private void checkProperties()
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|     {
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|         PropertyCheck.mandatory(this, "activityService", activityService);
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|         PropertyCheck.mandatory(this, "personService", personService);
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|         PropertyCheck.mandatory(this, "nodeService", nodeService);
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|         PropertyCheck.mandatory(this, "fileFolderService", fileFolderService);
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|         PropertyCheck.mandatory(this, "actionService", actionService);
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|         PropertyCheck.mandatory(this, "searchService", searchService);
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|         PropertyCheck.mandatory(this, "namespaceService", namespaceService);
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|         PropertyCheck.mandatory(this, "siteService", siteService);
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|         PropertyCheck.mandatory(this, "jobLockService", jobLockService);
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|         PropertyCheck.mandatory(this, "transactionService", transactionService);
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|         PropertyCheck.mandatory(this, "authenticationContext", authenticationContext);
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|         PropertyCheck.mandatory(this, "sysAdminParams", sysAdminParams);
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|         PropertyCheck.mandatory(this, "feedEmailTemplateLocation", feedEmailTemplateLocation);
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|     }
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|     
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|     public void execute(int repeatIntervalMins)
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|     {
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|         checkProperties();
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|         
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|         // Bypass if the system is in read-only mode
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|         if (transactionService.isReadOnly())
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|         {
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|             if (logger.isDebugEnabled())
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|             {
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|                 logger.debug("Activities email notification bypassed; the system is read-only");
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|             }
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|             return;
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|         }
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|         
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|         try
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|         {
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|             if (logger.isTraceEnabled())
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|             {
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|                 logger.trace("Activities email notification started");
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|             }
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|             
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|             refreshLock();
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|             executeInternal(repeatIntervalMins);
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|             
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|             // Done
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|             if (logger.isTraceEnabled())
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|             {
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|                 logger.trace("Activities email notification completed");
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|             }
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|         }
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|         catch (LockAcquisitionException e)
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|         {
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|             // Job being done by another process
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|             if (logger.isDebugEnabled())
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|             {
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|                 logger.debug("Activities email notification already underway");
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|             }
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|         }
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|         catch (VmShutdownException e)
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|         {
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|             // Aborted
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|             if (logger.isDebugEnabled())
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|             {
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|                 logger.debug("Activities email notification aborted");
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|             }
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|         }
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|         finally
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|         {
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|             releaseLock();
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|         }
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|     }
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|     
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|     private void executeInternal(final int repeatIntervalMins)
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|     {
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|         final NodeRef emailTemplateRef = getEmailTemplateRef();
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|         
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|         if (emailTemplateRef == null)
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|         {
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|             return;
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|         }
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|         
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|         final String shareUrl = UrlUtil.getShareUrl(sysAdminParams); 
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|         
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|         if (logger.isDebugEnabled())
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|         {
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|             logger.debug("Share URL configured as: "+shareUrl);
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|         }
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|         
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|         int userCnt = 0;
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|         int feedEntryCnt = 0;
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|         
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|         long startTime = System.currentTimeMillis();
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|         
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|         try
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|         {
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|             final String subjectText = buildSubjectText(startTime);
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|             
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|             Set<NodeRef> people = personService.getAllPeople();
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|             
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|             // local cache for this execution
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|             final Map<String, String> siteNames = new HashMap<String, String>(10);
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|             
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|             for (final NodeRef personNodeRef : people)
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|             {
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|                 refreshLock();
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|                 
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|                 try
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|                 {
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|                     final RetryingTransactionHelper txHelper = transactionService.getRetryingTransactionHelper();
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|                     txHelper.setMaxRetries(0);
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|                     
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|                     Pair<Integer, Long> result = txHelper.doInTransaction(new RetryingTransactionCallback<Pair<Integer, Long>>()
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|                     {
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|                         public Pair<Integer, Long> execute() throws Throwable
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|                         {
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|                             return prepareAndSendEmail(personNodeRef, emailTemplateRef, subjectText, siteNames, shareUrl, repeatIntervalMins);
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|                         }
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|                     }, true, true);
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|                     
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|                     if (result != null)
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|                     {
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|                         int entryCnt = result.getFirst();
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|                         final long maxFeedId = result.getSecond();
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|                         
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|                         transactionService.getRetryingTransactionHelper().doInTransaction(new RetryingTransactionCallback<Void>()
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|                         {
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|                             public Void execute() throws Throwable
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|                             {
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|                                 
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|                                 Long currentMaxFeedId = (Long)nodeService.getProperty(personNodeRef, ContentModel.PROP_EMAIL_FEED_ID);
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|                                 if ((currentMaxFeedId == null) || (currentMaxFeedId < maxFeedId))
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|                                 {
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|                                     nodeService.setProperty(personNodeRef, ContentModel.PROP_EMAIL_FEED_ID, maxFeedId);
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|                                 }
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|                                 
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|                                 return null;
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|                             }
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|                         }, false, true);
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|                         
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|                         
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|                         userCnt++;
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|                         feedEntryCnt += entryCnt;
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|                     }
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|                 }
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|                 catch (InvalidNodeRefException inre)
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|                 {
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|                     // skip this person - eg. no longer exists ?
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|                     logger.warn("Skip feed notification for user ("+personNodeRef+"): " + inre.getMessage());
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|                 }
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|             }
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|         }
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|         catch (Throwable e)
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|         {
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|             // If the VM is shutting down, then ignore
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|             if (vmShutdownListener.isVmShuttingDown())
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|             {
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|                 // Ignore
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|             }
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|             else
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|             {
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|                 logger.error("Exception during notification of feeds", e);
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|             }
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|         }
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|         finally
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|         {
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|             // assume sends are synchronous - hence bump up to last max feed id
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|             if (userCnt > 0)
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|             {
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|                 if (logger.isInfoEnabled())
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|                 {
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|                     // TODO i18n of info message
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|                     StringBuilder sb = new StringBuilder();
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|                     sb.append("Notified ").append(userCnt).append(" user").append(userCnt != 1 ? "s" : "");
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|                     sb.append(" of ").append(feedEntryCnt).append(" activity feed entr").append(feedEntryCnt != 1 ? "ies" : "y");
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|                     sb.append(" (in ").append(System.currentTimeMillis()-startTime).append(" msecs)");
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|                     logger.info(sb.toString());
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|                 }
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|             }
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|             else
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|             {
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|                 if (logger.isTraceEnabled())
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|                 {
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|                     logger.trace("Nothing to send since no new user activities found");
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|                 }
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|             }
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|         }
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|     }
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|     
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|     protected Pair<Integer, Long> prepareAndSendEmail(final NodeRef personNodeRef, NodeRef emailTemplateRef,
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|                                       String subjectText, Map<String, String> siteNames,
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|                                       String shareUrl, int repeatIntervalMins)
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|     {
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|         Map<QName, Serializable> personProps = nodeService.getProperties(personNodeRef);
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|         
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|         String feedUserId = (String)personProps.get(ContentModel.PROP_USERNAME);
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|         String emailAddress = (String)personProps.get(ContentModel.PROP_EMAIL);
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|         Boolean emailFeedDisabled = (Boolean)personProps.get(ContentModel.PROP_EMAIL_FEED_DISABLED);
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|         
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|         if (skipUser(emailFeedDisabled, feedUserId, emailAddress, excludedEmailSuffixes))
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|         {
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|             // skip
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|             return null;
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|         }
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|         
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|         // where did we get up to ?
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|         Long emailFeedDBID = (Long)personProps.get(ContentModel.PROP_EMAIL_FEED_ID);
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|         if (emailFeedDBID != null)
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|         {
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|             // increment min feed id
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|             emailFeedDBID++;
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|         }
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|         else
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|         {
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|             emailFeedDBID = -1L;
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|         }
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|         
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|         
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|         // own + others (note: template can be changed to filter out user's own activities if needed)
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|         List<ActivityFeedEntity> feedEntries = activityService.getUserFeedEntries(feedUserId, FeedTaskProcessor.FEED_FORMAT_JSON, null, false, false, null, null, emailFeedDBID);
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|         
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|         if (feedEntries.size() > 0)
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|         {
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|             long userMaxFeedId = -1L;
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|             
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|             Map<String, Object> model = new HashMap<String, Object>();
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|             List<Map<String, Object>> activityFeedModels = new ArrayList<Map<String, Object>>();
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|             
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|             for (ActivityFeedEntity feedEntry : feedEntries)
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|             {
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|                 Map<String, Object> map = null;
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|                 try
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|                 {
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|                     map = feedEntry.getModel();
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|                     activityFeedModels.add(map);
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|                     
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|                     String siteId = feedEntry.getSiteNetwork();
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|                     addSiteName(siteId, siteNames);
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|                     
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|                     long feedId = feedEntry.getId();
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|                     if (feedId > userMaxFeedId)
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|                     {
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|                         userMaxFeedId = feedId;
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|                     }
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|                 }
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|                 catch (JSONException je)
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|                 {
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|                     // skip this feed entry
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|                     logger.warn("Skip feed entry for user ("+feedUserId+"): " + je.getMessage());
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|                     continue;
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|                 }
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|             }
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|             
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|             if (activityFeedModels.size() > 0)
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|             {
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|                 model.put("activities", activityFeedModels);
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|                 model.put("siteTitles", siteNames);
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|                 model.put("repeatIntervalMins", repeatIntervalMins);
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|                 model.put("feedItemsMax", activityService.getMaxFeedItems());
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|                 model.put("feedItemsCount", activityFeedModels.size());
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|                 
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|                 // add Share info to model
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|                 model.put(TemplateService.KEY_PRODUCT_NAME, ModelUtil.getProductName(repoAdminService));
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|                 
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|                 Map<String, Serializable> personPrefixProps = new HashMap<String, Serializable>(personProps.size());
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|                 for (QName propQName : personProps.keySet())
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|                 {
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|                     try
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|                     {
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|                         String propPrefix = propQName.toPrefixString(namespaceService);
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|                         personPrefixProps.put(propPrefix, personProps.get(propQName));
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|                     }
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|                     catch (NamespaceException ne)
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|                     {
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|                         // ignore properties that do not have a registered namespace
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|                         logger.warn("Ignoring property '" + propQName + "' as it's namespace is not registered");
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|                     }
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|                 }
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|                 
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|                 model.put("personProps", personPrefixProps);
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|                 
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|                 // send
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|                 sendMail(emailTemplateRef, emailAddress, subjectText, model);
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|                 
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|                 return new Pair<Integer, Long>(activityFeedModels.size(), userMaxFeedId);
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|             }
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|         }
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|         
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|         return null;
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|     }
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|     
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|     protected void sendMail(NodeRef emailTemplateRef, String emailAddress, String subjectText, Map<String, Object> model)
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|     {
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|         ParameterCheck.mandatoryString("emailAddress", emailAddress);
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|         
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|         Action mail = actionService.createAction(MailActionExecuter.NAME);
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|         
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|         mail.setParameterValue(MailActionExecuter.PARAM_TO, emailAddress);
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|         mail.setParameterValue(MailActionExecuter.PARAM_SUBJECT, subjectText);
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|         
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|         //mail.setParameterValue(MailActionExecuter.PARAM_TEXT, buildMailText(emailTemplateRef, model));
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|         mail.setParameterValue(MailActionExecuter.PARAM_TEMPLATE, emailTemplateRef);
 | |
|         mail.setParameterValue(MailActionExecuter.PARAM_TEMPLATE_MODEL, (Serializable)model);
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|         
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|         actionService.executeAction(mail, null);
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|     }
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|     
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|     protected String buildSubjectText(long currentTime)
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|     {
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|         return I18NUtil.getMessage(MSG_EMAIL_SUBJECT, ModelUtil.getProductName(repoAdminService));
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|     }
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|     
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|     protected NodeRef getEmailTemplateRef()
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|     {
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|         StoreRef store = feedEmailTemplateLocation.getStoreRef();
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|         String xpath = feedEmailTemplateLocation.getPath();
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|         
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|         if (! feedEmailTemplateLocation.getQueryLanguage().equals(SearchService.LANGUAGE_XPATH))
 | |
|         {
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|             logger.warn("Cannot find the activities email template - repository location query language is not 'xpath': "+feedEmailTemplateLocation.getQueryLanguage());
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|             return null;
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|         }
 | |
|         
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|         List<NodeRef> nodeRefs = searchService.selectNodes(nodeService.getRootNode(store), xpath, null, namespaceService, false);
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|         if (nodeRefs.size() != 1)
 | |
|         {
 | |
|             logger.warn("Cannot find the activities email template: "+xpath);
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|             return null;
 | |
|         }
 | |
|         
 | |
|         return fileFolderService.getLocalizedSibling(nodeRefs.get(0));
 | |
|     }
 | |
|     
 | |
|     protected void addSiteName(String siteId, Map<String, String> siteNames)
 | |
|     {
 | |
|         if (siteId == null)
 | |
|         {
 | |
|             return;
 | |
|         }
 | |
|         
 | |
|         String siteName = siteNames.get(siteId);
 | |
|         if (siteName == null)
 | |
|         {
 | |
|             SiteInfo site = siteService.getSite(siteId);
 | |
|             if (site == null)
 | |
|             {
 | |
|                 return;
 | |
|             }
 | |
|             
 | |
|             String siteTitle = site.getTitle();
 | |
|             if (siteTitle != null && siteTitle.length() > 0)
 | |
|             {
 | |
|                 siteName = siteTitle;
 | |
|             }
 | |
|             else
 | |
|             {
 | |
|                 siteName = siteId;
 | |
|             }
 | |
|             
 | |
|             siteNames.put(siteId, siteName);
 | |
|         }
 | |
|     }
 | |
|     
 | |
|     protected boolean skipUser(Boolean emailFeedDisabled, String feedUserId, String emailAddress, List<String> excludedEmailSuffixes)
 | |
|     {
 | |
|         if ((emailFeedDisabled != null) && (emailFeedDisabled == true))
 | |
|         {
 | |
|             return true;
 | |
|         }
 | |
|         
 | |
|         if (authenticationContext.isSystemUserName(feedUserId) || authenticationContext.isGuestUserName(feedUserId))
 | |
|         {
 | |
|             // skip "guest" or "System" user
 | |
|             return true;
 | |
|         }
 | |
|         
 | |
|         if ((emailAddress == null) || (emailAddress.length() <= 0))
 | |
|         {
 | |
|             // skip user that does not have an email address
 | |
|             if (logger.isDebugEnabled())
 | |
|             {
 | |
|                 logger.debug("Skip for '"+feedUserId+"' since they have no email address set");
 | |
|             }
 | |
|             return true;
 | |
|         }
 | |
|         
 | |
|         String lowerEmailAddress = emailAddress.toLowerCase();
 | |
|         for (String excludedEmailSuffix : excludedEmailSuffixes)
 | |
|         {
 | |
|             if (lowerEmailAddress.endsWith(excludedEmailSuffix.toLowerCase()))
 | |
|             {
 | |
|                 // skip user whose email matches exclude suffix
 | |
|                 if (logger.isDebugEnabled())
 | |
|                 {
 | |
|                     logger.debug("Skip for '"+feedUserId+"' since email address is excluded ("+emailAddress+")");
 | |
|                 }
 | |
|                 return true;
 | |
|             }
 | |
|         }
 | |
|         
 | |
|         return false;
 | |
|     }
 | |
|     
 | |
|     /**
 | |
|      * Lazily update the job lock
 | |
|      */
 | |
|     private void refreshLock()
 | |
|     {
 | |
|         Pair<Long, String> lockPair = lockThreadLocal.get();
 | |
|         if (lockPair == null)
 | |
|         {
 | |
|             String lockToken = jobLockService.getLock(LOCK_QNAME, LOCK_TTL);
 | |
|             Long lastLock = new Long(System.currentTimeMillis());
 | |
|             // We have not locked before
 | |
|             lockPair = new Pair<Long, String>(lastLock, lockToken);
 | |
|             lockThreadLocal.set(lockPair);
 | |
|         }
 | |
|         else
 | |
|         {
 | |
|             long now = System.currentTimeMillis();
 | |
|             long lastLock = lockPair.getFirst().longValue();
 | |
|             String lockToken = lockPair.getSecond();
 | |
|             // Only refresh the lock if we are past a threshold
 | |
|             if (now - lastLock > (long)(LOCK_TTL/2L))
 | |
|             {
 | |
|                 jobLockService.refreshLock(lockToken, LOCK_QNAME, LOCK_TTL);
 | |
|                 lastLock = System.currentTimeMillis();
 | |
|                 lockPair = new Pair<Long, String>(lastLock, lockToken);
 | |
|             }
 | |
|         }
 | |
|     }
 | |
|     
 | |
|     /**
 | |
|      * Release the lock after the job completes
 | |
|      */
 | |
|     private void releaseLock()
 | |
|     {
 | |
|         Pair<Long, String> lockPair = lockThreadLocal.get();
 | |
|         if (lockPair != null)
 | |
|         {
 | |
|             // We can't release without a token
 | |
|             try
 | |
|             {
 | |
|                 jobLockService.releaseLock(lockPair.getSecond(), LOCK_QNAME);
 | |
|             }
 | |
|             finally
 | |
|             {
 | |
|                 // Reset
 | |
|                 lockThreadLocal.set(null);
 | |
|             }
 | |
|         }
 | |
|         // else: We can't release without a token
 | |
|     }
 | |
| }
 |