ALF-13441: WebDAV: activities should be raised/published

* WebDAV methods raise activities for file creation, modification, deletion.
* Repository property to enabled/disable activity feed generation is disabled by default.



git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@34748 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/webdav/ActivityPostProducer.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2005-2012 Alfresco Software Limited.
+ *
+ * This file is part of Alfresco
+ *
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Alfresco is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.alfresco.repo.webdav;
+
+
+/**
+ * WebDAVMethods that are able to post activity data must implement this interface
+ * in order that the CloudWebDAVServlet will supply the object with an
+ * ActivityPoster collaborator.
+ * 
+ * @author Matt Ward
+ */
+public interface ActivityPostProducer
+{
+    void setActivityPoster(ActivityPoster activityPoster);
+}

source/java/org/alfresco/repo/webdav/ActivityPoster.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2005-2012 Alfresco Software Limited.
+ *
+ * This file is part of Alfresco
+ *
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Alfresco is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.alfresco.repo.webdav;
+
+import org.alfresco.service.cmr.model.FileInfo;
+
+/**
+ * WebDAV methods can ActivityPoster to create entries in the activity feed.
+ * 
+ * @author Matt Ward
+ */
+public interface ActivityPoster
+{
+    void postFileAdded(
+                String siteId,
+                String tenantDomain,
+                FileInfo contentNodeInfo) throws WebDAVServerException;
+    
+    void postFileUpdated(
+                String siteId,
+                String tenantDomain,
+                FileInfo contentNodeInfo) throws WebDAVServerException;
+    
+    void postFileDeleted(
+                String siteId,
+                String tenantDomain,
+                String parentPath,
+                FileInfo contentNodeInfo) throws WebDAVServerException;
+}

source/java/org/alfresco/repo/webdav/ActivityPosterImpl.java

@@ -0,0 +1,196 @@
+/*
+ * Copyright (C) 2005-2012 Alfresco Software Limited.
+ *
+ * This file is part of Alfresco
+ *
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Alfresco is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.alfresco.repo.webdav;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.alfresco.model.ContentModel;
+import org.alfresco.repo.security.authentication.AuthenticationUtil;
+import org.alfresco.repo.tenant.TenantService;
+import org.alfresco.service.cmr.activities.ActivityService;
+import org.alfresco.service.cmr.model.FileInfo;
+import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.cmr.repository.NodeService;
+import org.alfresco.service.cmr.security.PersonService;
+import org.alfresco.util.Pair;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+/**
+ * WebDAV methods may use an instance of this class to post activity data.
+ * 
+ * @see ActivityPoster
+ * @author Matt Ward
+ */
+public class ActivityPosterImpl implements ActivityPoster
+{
+    private static final String FILE_ADDED = "org.alfresco.documentlibrary.file-added";
+    private static final String FILE_UPDATED = "org.alfresco.documentlibrary.file-updated";
+    private static final String FILE_DELETED = "org.alfresco.documentlibrary.file-deleted";
+    private static final String APP_TOOL = "WebDAV";
+    private final ActivityService activityService;
+    private final NodeService nodeService;
+    private final PersonService personService;
+    
+    
+    /**
+     * Constructor
+     * 
+     * @param activityService
+     * @param nodeService
+     * @param personService
+     */
+    public ActivityPosterImpl(ActivityService activityService, NodeService nodeService, PersonService personService)
+    {
+        this.activityService = activityService;
+        this.nodeService = nodeService;
+        this.personService = personService;
+    }
+
+    
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void postFileAdded(
+                String siteId,
+                String tenantDomain,
+                FileInfo contentNodeInfo) throws WebDAVServerException
+    {
+        postFileActivity(FILE_ADDED, siteId, tenantDomain, null, contentNodeInfo);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void postFileUpdated(
+                String siteId,
+                String tenantDomain,
+                FileInfo contentNodeInfo) throws WebDAVServerException
+    {
+        postFileActivity(FILE_UPDATED, siteId, tenantDomain, null, contentNodeInfo);
+    }
+    
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void postFileDeleted(
+                String siteId,
+                String tenantDomain,
+                String parentPath,
+                FileInfo contentNodeInfo) throws WebDAVServerException
+    {
+        postFileActivity(FILE_DELETED, siteId, tenantDomain, parentPath, contentNodeInfo);
+    }
+    
+    
+    private void postFileActivity(
+                String activityType,
+                String siteId,
+                String tenantDomain,
+                String parentPath,
+                FileInfo contentNodeInfo) throws WebDAVServerException
+    {
+        Pair<String, String> personName = getPersonName();
+        final String firstName = personName.getFirst();
+        final String lastName = personName.getSecond();
+        final String fileName = contentNodeInfo.getName();
+        final NodeRef nodeRef = contentNodeInfo.getNodeRef();
+        JSONObject json = createActivityJSON(tenantDomain, parentPath, nodeRef, firstName, lastName, fileName);
+        
+        activityService.postActivity(
+                    activityType,
+                    siteId,
+                    APP_TOOL,
+                    json.toString());
+    }
+    
+    /**
+     * Create JSON suitable for create, modify or delete activity posts. Returns a new JSONObject
+     * containing appropriate key/value pairs.
+     * 
+     * @param tenantDomain
+     * @param nodeRef
+     * @param firstName
+     * @param lastName
+     * @param fileName
+     * @throws WebDAVServerException
+     * @return JSONObject
+     */
+    private JSONObject createActivityJSON(
+                String tenantDomain,
+                String parentPath,
+                NodeRef nodeRef,
+                String firstName,
+                String lastName,
+                String fileName) throws WebDAVServerException
+    {
+        JSONObject json = new JSONObject();
+        try
+        {
+            json.put("nodeRef", nodeRef);
+            if (parentPath != null)
+            {
+                // Used for deleted files.
+                json.put("page", "documentlibrary?path=" + parentPath);                
+            }
+            else
+            {
+                // Used for added or modified files.
+                json.put("page", "document-details?nodeRef=" + nodeRef);
+            }
+            json.put("title", fileName);
+            json.put("firstName", firstName);
+            json.put("lastName", lastName);
+            if (!tenantDomain.equals(TenantService.DEFAULT_DOMAIN))
+            {
+                // Only used in multi-tenant setups.
+                json.put("tenantDomain", tenantDomain);
+            }
+        }
+        catch (JSONException error)
+        {
+            throw new WebDAVServerException(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+        }
+        
+        return json;
+    }
+
+    /**
+     * Creates the tuple (firstName, lastName) for the current user.
+     * 
+     * @return Pair&lt;String, String&gt;
+     */
+    private Pair<String, String> getPersonName()
+    {
+        String firstName = "";
+        String lastName = "";
+        String userName = AuthenticationUtil.getFullyAuthenticatedUser();
+        NodeRef person = personService.getPerson(userName);
+        if (person != null)
+        {
+            firstName = (String) nodeService.getProperty(person, ContentModel.PROP_FIRSTNAME);
+            lastName = (String) nodeService.getProperty(person, ContentModel.PROP_LASTNAME);
+        }
+        
+        return new Pair<String, String>(firstName, lastName);
+    }
+}

source/java/org/alfresco/repo/webdav/DeleteMethod.java

@@ -27,14 +27,18 @@ import org.alfresco.service.cmr.model.FileFolderService;
 import org.alfresco.service.cmr.model.FileInfo;
 import org.alfresco.service.cmr.model.FileNotFoundException;
 import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.cmr.site.SiteService;
+import org.alfresco.service.cmr.webdav.WebDavService;
 
 /**
  * Implements the WebDAV DELETE method
  * 
  * @author gavinc
  */
-public class DeleteMethod extends WebDAVMethod
+public class DeleteMethod extends WebDAVMethod implements ActivityPostProducer
 {
+    private ActivityPoster activityPoster;
+    
     /**
      * Default constructor
      */
@@ -100,8 +104,65 @@ public class DeleteMethod extends WebDAVMethod
         // ALF-7079 fix, working copies are not deleted at all
         if (!getNodeService().hasAspect(fileInfo.getNodeRef(), ContentModel.ASPECT_WORKING_COPY))
         {
-            // delete it
-            fileFolderService.delete(fileInfo.getNodeRef());
+            // As this content will be deleted, we need to extract some info before it's no longer available.
+            String siteId = getSiteId();
+            NodeRef deletedNodeRef = fileInfo.getNodeRef();
+            FileInfo parentFile = getDAVHelper().getParentNodeForPath(getRootNodeRef(), getPath(), getServletPath());
+            boolean hidden = getNodeService().hasAspect(deletedNodeRef, ContentModel.ASPECT_HIDDEN);
+            // Delete it
+            fileFolderService.delete(deletedNodeRef);
+            // Don't post activity data for hidden files, resource forks etc.
+            if (!hidden)
+            {
+                 postActivity(parentFile, fileInfo, siteId);
+            }   
         }
     }
+
+    
+    /**
+     * Create a deletion activity post.
+     * 
+     * @param parent The FileInfo for the deleted file's parent.
+     * @param deletedFile The FileInfo for the deleted file.
+     * @throws WebDAVServerException 
+     */
+    private void postActivity(FileInfo parent, FileInfo deletedFile, String siteId) throws WebDAVServerException
+    {
+        WebDavService davService = getDAVHelper().getServiceRegistry().getWebDavService();
+        if (!davService.activitiesEnabled())
+        {
+            // Don't post activities if this behaviour is disabled.
+            return;
+        }
+        
+        String tenantDomain = getTenantDomain();
+        
+        // Check there is enough information to publish site activity.
+        if (!siteId.equals(DEFAULT_SITE_ID))
+        {
+            SiteService siteService = getServiceRegistry().getSiteService();
+            NodeRef documentLibrary = siteService.getContainer(siteId, SiteService.DOCUMENT_LIBRARY);
+            String parentPath = "/";
+            try
+            {
+                parentPath = getDAVHelper().getPathFromNode(documentLibrary, parent.getNodeRef());        
+            }
+            catch (FileNotFoundException error)
+            {
+                if (logger.isDebugEnabled())
+                {
+                    logger.debug("No " + SiteService.DOCUMENT_LIBRARY + " container found.");
+                }
+            }
+            
+            activityPoster.postFileDeleted(siteId, tenantDomain, parentPath, deletedFile);
+        }  
+    }
+    
+    @Override
+    public void setActivityPoster(ActivityPoster activityPoster)
+    {
+        this.activityPoster = activityPoster;
+    }
 }

source/java/org/alfresco/repo/webdav/PutMethod.java

@@ -33,6 +33,7 @@ import org.alfresco.service.cmr.model.FileInfo;
 import org.alfresco.service.cmr.model.FileNotFoundException;
 import org.alfresco.service.cmr.repository.ContentWriter;
 import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.cmr.webdav.WebDavService;
 import org.springframework.dao.ConcurrencyFailureException;
 
 /**
@@ -40,7 +41,7 @@ import org.springframework.dao.ConcurrencyFailureException;
  * 
  * @author Gavin Cornwell
  */
-public class PutMethod extends WebDAVMethod
+public class PutMethod extends WebDAVMethod implements ActivityPostProducer
 {
     // Request parameters
     private String m_strContentType = null;
@@ -49,6 +50,7 @@ public class PutMethod extends WebDAVMethod
     // Try to delete the node if the PUT fails
     private boolean noContent = false;
     private boolean created = false;
+    private ActivityPoster activityPoster;
     
     /**
      * Default constructor
@@ -264,6 +266,8 @@ public class PutMethod extends WebDAVMethod
             }
             throw new WebDAVServerException(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e);
         }
+        
+        postActivity();
     }
     
     /**
@@ -273,8 +277,62 @@ public class PutMethod extends WebDAVMethod
      * 
      * @return true if the content was newly created, false if existing.
      */
-    public boolean isCreated()
+    protected boolean isCreated()
     {
         return created;
     }
+    
+    /**
+     * Create an activity post.
+     * 
+     * @throws WebDAVServerException 
+     */
+    private void postActivity() throws WebDAVServerException
+    {
+        WebDavService davService = getDAVHelper().getServiceRegistry().getWebDavService();
+        if (!davService.activitiesEnabled())
+        {
+            // Don't post activities if this behaviour is disabled.
+            return;
+        }
+        
+        String path = getPath();
+        String siteId = getSiteId();
+        String tenantDomain = getTenantDomain();
+        
+        if (siteId.equals(DEFAULT_SITE_ID))
+        {
+            // There is not enough information to publish site activity.
+            return;
+        }
+        
+        FileInfo contentNodeInfo = null;
+        try
+        {
+            contentNodeInfo = getDAVHelper().getNodeForPath(getRootNodeRef(), path, getServletPath());
+            NodeRef nodeRef = contentNodeInfo.getNodeRef();
+            // Don't post activity data for hidden files, resource forks etc.
+            if (!getNodeService().hasAspect(nodeRef, ContentModel.ASPECT_HIDDEN))
+            {
+                if (isCreated())
+                {                    
+                    activityPoster.postFileAdded(siteId, tenantDomain, contentNodeInfo);
+                }
+                else
+                {                    
+                    activityPoster.postFileUpdated(siteId, tenantDomain, contentNodeInfo);
+                }
+            }
+        }
+        catch (FileNotFoundException error)
+        {
+            throw new WebDAVServerException(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+        }        
+    }
+
+    @Override
+    public void setActivityPoster(ActivityPoster activityPoster)
+    {
+        this.activityPoster = activityPoster;
+    }
 }

source/java/org/alfresco/repo/webdav/WebDAVHelper.java

@@ -25,6 +25,7 @@ import java.util.List;
 import java.util.StringTokenizer;
 
 import org.alfresco.model.ContentModel;
+import org.alfresco.repo.tenant.TenantService;
 import org.alfresco.service.ServiceRegistry;
 import org.alfresco.service.cmr.action.ActionService;
 import org.alfresco.service.cmr.dictionary.DictionaryService;
@@ -81,6 +82,7 @@ public class WebDAVHelper
     private ActionService m_actionService;
     private AuthenticationService m_authService;
     private PermissionService m_permissionService;
+    private TenantService m_tenantService;
     
     //  Empty XML attribute list
     
@@ -89,7 +91,7 @@ public class WebDAVHelper
     /**
      * Class constructor
      */
-    protected WebDAVHelper(ServiceRegistry serviceRegistry, LockStore lockStore, AuthenticationService authService)
+    protected WebDAVHelper(ServiceRegistry serviceRegistry, LockStore lockStore, AuthenticationService authService, TenantService tenantService)
     {
         m_serviceRegistry = serviceRegistry;
         
@@ -102,7 +104,7 @@ public class WebDAVHelper
         m_lockService       = m_serviceRegistry.getLockService();
         m_actionService     = m_serviceRegistry.getActionService();
         m_permissionService = m_serviceRegistry.getPermissionService();
-        
+        m_tenantService     = tenantService;
         m_authService       = authService;
         
         m_lockStore         = lockStore;
@@ -202,6 +204,16 @@ public class WebDAVHelper
         return m_permissionService;
     }
     
+    /**
+     * Retrieve the {@link TenantService} held by the helper.
+     * 
+     * @return TenantService
+     */
+    public TenantService getTenantService()
+    {
+        return m_tenantService;
+    }
+    
     /**
      * @return          Return the copy service
      */

source/java/org/alfresco/repo/webdav/WebDAVMethod.java

@@ -47,6 +47,7 @@ import org.alfresco.model.ContentModel;
 import org.alfresco.repo.security.authentication.AuthenticationUtil;
 import org.alfresco.repo.security.authentication.AuthenticationUtil.RunAsWork;
 import org.alfresco.repo.security.permissions.AccessDeniedException;
+import org.alfresco.repo.tenant.TenantService;
 import org.alfresco.repo.transaction.RetryingTransactionHelper.RetryingTransactionCallback;
 import org.alfresco.service.ServiceRegistry;
 import org.alfresco.service.cmr.action.ActionService;
@@ -61,6 +62,8 @@ import org.alfresco.service.cmr.repository.NodeService;
 import org.alfresco.service.cmr.search.SearchService;
 import org.alfresco.service.cmr.security.AuthenticationService;
 import org.alfresco.service.cmr.security.PermissionService;
+import org.alfresco.service.cmr.site.SiteInfo;
+import org.alfresco.service.cmr.site.SiteService;
 import org.alfresco.service.namespace.NamespaceService;
 import org.alfresco.service.transaction.TransactionService;
 import org.alfresco.util.TempFileProvider;
@@ -83,6 +86,8 @@ import org.xml.sax.SAXException;
  */
 public abstract class WebDAVMethod
 {
+    protected static final String DEFAULT_SITE_ID = "";
+    
     // Log output
 
     protected static Log logger = LogFactory.getLog("org.alfresco.webdav.protocol");
@@ -141,6 +146,10 @@ public abstract class WebDAVMethod
     protected Map<NodeRef, NodeRef> m_childToParent = new HashMap<NodeRef, NodeRef>();
     protected Map<NodeRef, LockInfo> m_parentLockInfo = new HashMap<NodeRef, LockInfo>();
 
+    private String siteId;
+
+    private String tenantDomain;
+    
     /**
      * Default constructor
      */
@@ -1499,4 +1508,66 @@ public abstract class WebDAVMethod
        
        return sb.toString();
     }    
+    
+
+    /**
+     * Get the site ID (short-name) that the current request relates to. The site ID
+     * will be {@link DEFAULT_SITE_ID} if not specifically set. 
+     * 
+     * @return The site ID
+     */
+    protected String getSiteId()
+    {
+        if (siteId == null)
+        {
+            siteId = determineSiteId();
+        }
+        return siteId;
+    }
+
+    protected String determineSiteId()
+    {
+        SiteService siteService = m_davHelper.getServiceRegistry().getSiteService();
+        String siteId;
+        try
+        {
+            FileInfo fileInfo = m_davHelper.getNodeForPath(
+                        getRootNodeRef(),
+                        getPath(),
+                        m_request.getServletPath());
+            SiteInfo siteInfo = siteService.getSite(fileInfo.getNodeRef());
+            siteId = siteInfo.getShortName();
+        }
+        catch (FileNotFoundException error)
+        {
+            siteId = DEFAULT_SITE_ID;
+        }
+        return siteId;
+    }
+
+    /**
+     * Get the tenant domain for the current user and request. The tenant domain
+     * will be {@link TenantService#DEFAULT_DOMAIN} if not specifically set.
+     * 
+     * @return The tenant domain.
+     */
+    protected String getTenantDomain()
+    {
+        if (tenantDomain == null)
+        {
+            tenantDomain = determineTenantDomain();
+        }
+        return tenantDomain;
+    }
+
+    protected String determineTenantDomain()
+    {
+        TenantService tenantService = m_davHelper.getTenantService();
+        String tenantDomain = tenantService.getCurrentUserDomain();
+        if (tenantDomain == null)
+        {
+            return TenantService.DEFAULT_DOMAIN;
+        }
+        return tenantDomain;
+    }
 }

source/java/org/alfresco/repo/webdav/WebDAVServlet.java

@@ -34,11 +34,13 @@ import javax.transaction.UserTransaction;
 import org.alfresco.repo.security.authentication.AuthenticationContext;
 import org.alfresco.repo.tenant.TenantService;
 import org.alfresco.service.ServiceRegistry;
+import org.alfresco.service.cmr.activities.ActivityService;
 import org.alfresco.service.cmr.repository.NodeRef;
 import org.alfresco.service.cmr.repository.NodeService;
 import org.alfresco.service.cmr.repository.StoreRef;
 import org.alfresco.service.cmr.search.SearchService;
 import org.alfresco.service.cmr.security.AuthenticationService;
+import org.alfresco.service.cmr.security.PersonService;
 import org.alfresco.service.namespace.NamespaceService;
 import org.alfresco.service.transaction.TransactionService;
 import org.alfresco.util.FileFilterMode;
@@ -83,6 +85,8 @@ public class WebDAVServlet extends HttpServlet
     
     // WebDAV helper class
     private WebDAVHelper m_davHelper;
+    private ActivityPoster activityPoster;
+    private TenantService tenantService;
 
     /**
      * @see javax.servlet.http.HttpServlet#service(javax.servlet.http.HttpServletRequest,
@@ -212,15 +216,21 @@ public class WebDAVServlet extends HttpServlet
         Class<? extends WebDAVMethod> methodClass = m_davMethods.get(strHttpMethod);
         WebDAVMethod method = null;
 
-        if ( methodClass != null)
+        if (methodClass != null)
         {
             try
             {
                 // Create the handler method    
-                
                 method = methodClass.newInstance();
                 NodeRef rootNodeRef = m_rootNodes.getNodeForCurrentTenant();
                 method.setDetails(request, response, m_davHelper, rootNodeRef);
+                
+                // A very few WebDAV methods produce activity posts.
+                if (method instanceof ActivityPostProducer)
+                {
+                    ActivityPostProducer activityPostProducer = (ActivityPostProducer) method;
+                    activityPostProducer.setActivityPoster(activityPoster);
+                }
             }
             catch (Exception ex)
             {
@@ -275,16 +285,21 @@ public class WebDAVServlet extends HttpServlet
         m_serviceRegistry = (ServiceRegistry)context.getBean(ServiceRegistry.SERVICE_REGISTRY);
         
         m_transactionService = m_serviceRegistry.getTransactionService();
-        TenantService tenantService = (TenantService) context.getBean("tenantService");
+        tenantService = (TenantService) context.getBean("tenantService");
         AuthenticationService authService = (AuthenticationService) context.getBean("authenticationService");
         NodeService nodeService = (NodeService) context.getBean("NodeService");
         SearchService searchService = (SearchService) context.getBean("SearchService");
         NamespaceService namespaceService = (NamespaceService) context.getBean("NamespaceService");
         LockStoreFactory lockStoreFactory = (LockStoreFactory) context.getBean("webdavLockStoreFactory");
         LockStore lockStore = lockStoreFactory.getLockStore();
+        ActivityService activityService = (ActivityService) context.getBean("activityService");
+        PersonService personService = m_serviceRegistry.getPersonService();
+        
+        // Collaborator used by WebDAV methods to create activity posts.
+        activityPoster = new ActivityPosterImpl(activityService, nodeService, personService);
         
         // Create the WebDAV helper
-        m_davHelper = new WebDAVHelper(m_serviceRegistry, lockStore, authService);
+        m_davHelper = new WebDAVHelper(m_serviceRegistry, lockStore, authService, tenantService);
         
         // Initialize the root node