Java PostInfo类代码示例

import org.alfresco.service.cmr.discussion.PostInfo; //导入依赖的package包/类
@Override
public PostInfo getPost(TopicInfo topic, String postName) 
{
   // Sanity check what we were given
   if (topic.getNodeRef() == null)
   {
      throw new IllegalArgumentException("Can't get posts for a topic that was never persisted!");
   }
   
   // Fetch
   NodeRef post = nodeService.getChildByName(topic.getNodeRef(), ContentModel.ASSOC_CONTAINS, postName);
   if (post != null)
   {
      return buildPost(post, topic, postName, null);
   }
   return null;
}
 

import org.alfresco.service.cmr.discussion.PostInfo; //导入依赖的package包/类
@Override
public PostInfo createReply(PostInfo parentPost, String contents)
{
   // Sanity check what we were given
   if (parentPost.getNodeRef() == null)
   {
      throw new IllegalArgumentException("Can't reply to a post that was never persisted");
   }
   if (parentPost.getTopic() == null)
   {
      throw new IllegalArgumentException("Can't reply to a post with no attached topic");
   }
   
   // Have the post created
   PostInfo reply = createPost(parentPost.getTopic(), contents);
   
   // Now make it a reply
   nodeService.createAssociation(
         reply.getNodeRef(), parentPost.getNodeRef(), ContentModel.ASSOC_REFERENCES);
   
   // All done
   return reply;
}
 

import org.alfresco.service.cmr.discussion.PostInfo; //导入依赖的package包/类
@Override
public PostInfo getPrimaryPost(TopicInfo topic) 
{
   // First up, see if there is a post with the same name as the topic
   // (That's the normal Share case)
   PostInfo post = getPost(topic, topic.getSystemName());
   if (post != null)
   {
      return post;
   }

   // Cater for the explorer case, we want the first child
   List<ChildAssociationRef> children = nodeService.getChildAssocs(topic.getNodeRef());
   if (children.size() == 0)
   {
      // No child posts yet
      return null;
   }

   // We want the first one in the list
   NodeRef postNodeRef = children.get(0).getChildRef();
   String postName = children.get(0).getQName().getLocalName();
   return buildPost(postNodeRef, topic, postName, null);
}
 

import org.alfresco.service.cmr.discussion.PostInfo; //导入依赖的package包/类
@Override
public PostInfo getMostRecentPost(TopicInfo topic)
{
   // Do a listing at the Node level, ordered by created date
   //  to get the most recent nodes
   PagingRequest paging = new PagingRequest(0, 1);
   CannedQueryResults<NodeBackedEntity> results = 
       listEntries(topic.getNodeRef(), ForumModel.TYPE_POST, null, null, null, false, paging);
      
   // Bail if the topic lacks posts
   if (results.getPage().size() == 0)
   {
      // No posts in the topic
      return null;
   }
   
   // Grab the newest node
   NodeBackedEntity node = results.getPage().get(0);
   
   // Wrap and return
   return buildPost(tenantService.getBaseName(node.getNodeRef()), topic, node.getName(), null);
}
 

import org.alfresco.service.cmr.discussion.PostInfo; //导入依赖的package包/类
private PostWithReplies wrap(PostInfo post, Map<NodeRef,List<NodeWithTargetsEntity>> idToReplies, int levels)
{
   List<PostWithReplies> replies = new ArrayList<PostWithReplies>();
   if (levels > 0)
   {
      List<NodeWithTargetsEntity> replyEntities = idToReplies.get(post.getNodeRef());
      if (replyEntities != null && replyEntities.size() > 0)
      {
         for (NodeWithTargetsEntity entity : replyEntities)
         {
            PostInfo replyPost = buildPost(tenantService.getBaseName(entity.getNodeRef()), post.getTopic(), entity.getName(), null);
            replies.add(wrap(replyPost, idToReplies, levels-1));
         }
      }
   }
   return new PostWithReplies(post, replies);
}
 

import org.alfresco.service.cmr.discussion.PostInfo; //导入依赖的package包/类
@Override
protected Map<String, Object> executeImpl(SiteInfo site, NodeRef nodeRef,
      TopicInfo topic, PostInfo post, WebScriptRequest req, JSONObject json,
      Status status, Cache cache) 
{
   // Build the common model parts
   Map<String, Object> model = buildCommonModel(site, topic, post, req);
   
   // Did they want just one post, or the whole of the topic?
   if (post != null)
   {
      model.put(KEY_POSTDATA, renderPost(post, site));
   }
   else if (topic != null)
   {
      model.put(KEY_POSTDATA, renderTopic(topic, site));
   }
   else
   {
      String error = "Node was of the wrong type, only Topic and Post are supported";
      throw new WebScriptException(Status.STATUS_BAD_REQUEST, error);
   }
   
   // All done
   return model;
}
 

import org.alfresco.service.cmr.discussion.PostInfo; //导入依赖的package包/类
private TopicInfo buildTopic(NodeRef nodeRef, NodeRef container, String name)
{
   TopicInfoImpl topic = new TopicInfoImpl(nodeRef, container, name);
   
   // Grab all the properties, we need the bulk of them anyway
   Map<QName,Serializable> props = nodeService.getProperties(nodeRef);
   
   // Start with the auditable properties
   topic.setCreator((String)props.get(ContentModel.PROP_CREATOR));
   topic.setModifier((String)props.get(ContentModel.PROP_MODIFIER));
   topic.setCreatedAt((Date)props.get(ContentModel.PROP_CREATED));
   topic.setModifiedAt((Date)props.get(ContentModel.PROP_MODIFIED));
   
   // Now do the discussion ones
   // Title is special - in older cases from share it was set on the
   //  First Post but not on the Topic
   String title = (String)props.get(ContentModel.PROP_TITLE);
   if (title == null)
   {
      // Try the first child
      PostInfo primaryPost = getPrimaryPost(topic);
      if (primaryPost != null)
      {
         title = primaryPost.getTitle();
      }
   }
   topic.setTitle(title);
   
   // Finally tags
   topic.setTags(taggingService.getTags(nodeRef));
   
   // All done
   return topic;
}
 

import org.alfresco.service.cmr.discussion.PostInfo; //导入依赖的package包/类
private PostInfo buildPost(NodeRef nodeRef, TopicInfo topic, String name, String preLoadedContents)
{
   PostInfoImpl post = new PostInfoImpl(nodeRef, name, topic);
   
   // Grab all the properties, we need the bulk of them anyway
   Map<QName,Serializable> props = nodeService.getProperties(nodeRef);
   
   // Start with the auditable properties
   post.setCreator((String)props.get(ContentModel.PROP_CREATOR));
   post.setModifier((String)props.get(ContentModel.PROP_MODIFIER));
   post.setCreatedAt((Date)props.get(ContentModel.PROP_CREATED));
   post.setModifiedAt((Date)props.get(ContentModel.PROP_MODIFIED));
   post.setUpdatedAt((Date)props.get(ContentModel.PROP_UPDATED));
   
   // Now do the discussion ones
   post.setTitle((String)props.get(ContentModel.PROP_TITLE));
   
   // Finally, do the content
   String contents = preLoadedContents;
   if (contents == null)
   {
      ContentReader reader = contentService.getReader(nodeRef, ContentModel.PROP_CONTENT);
      if (reader != null)
      {
         contents = reader.getContentString();
      }
   }
   post.setContents(contents);
   
   // All done
   return post;
}
 

import org.alfresco.service.cmr.discussion.PostInfo; //导入依赖的package包/类
@Override
public PostInfo updatePost(PostInfo post) 
{
   // Sanity check what we were given
   if (post.getNodeRef() == null)
   {
      throw new IllegalArgumentException("Can't update a post that was never persisted, call create instead");
   }
   
   // Update the properties
   NodeRef nodeRef = post.getNodeRef();
   nodeService.setProperty(nodeRef, ContentModel.PROP_TITLE, post.getTitle());
   
   // Change the content
   ContentWriter writer = contentService.getWriter(nodeRef, ContentModel.PROP_CONTENT, true);
   writer.setEncoding("UTF-8");
   writer.putContent(post.getContents());
   
   // Mark it as having been updated
   Date updatedAt = new Date();
   nodeService.setProperty(nodeRef, ContentModel.PROP_UPDATED, updatedAt);
   if (post instanceof PostInfoImpl)
   {
      ((PostInfoImpl)post).setUpdatedAt(updatedAt);
      ((PostInfoImpl)post).setModifiedAt(updatedAt);
   }
   else
   {
      // Re-create to get the updated date
      post = buildPost(nodeRef, post.getTopic(), post.getSystemName(), post.getContents()); 
   }
   
   // All done
   return post;
}
 

import org.alfresco.service.cmr.discussion.PostInfo; //导入依赖的package包/类
@Override
public void deletePost(PostInfo post) 
{
   if (post.getNodeRef() == null)
   {
      throw new IllegalArgumentException("Can't delete a post that was never persisted");
   }

   nodeService.deleteNode(post.getNodeRef());
}
 

import org.alfresco.service.cmr.discussion.PostInfo; //导入依赖的package包/类
@Override
public PagingResults<PostInfo> listPosts(TopicInfo topic, PagingRequest paging)
{
   // Do the listing, oldest first
   CannedQueryResults<NodeBackedEntity> nodes = 
      listEntries(topic.getNodeRef(), ForumModel.TYPE_POST, null, null, null, true, paging);
   
   // Wrap and return
   return wrap(nodes, topic);
}
 

import org.alfresco.service.cmr.discussion.PostInfo; //导入依赖的package包/类
@Override
public PostWithReplies listPostReplies(TopicInfo topic, int levels)
{
    PostInfo primaryPost = getPrimaryPost(topic);
    if (primaryPost == null)
    {
       return null;
    }
    return listPostReplies(primaryPost, levels);
}
 

import org.alfresco.service.cmr.discussion.PostInfo; //导入依赖的package包/类
/**
 * Is the current user allowed to edit this post?
 * In order to be deemed allowed, you first need write
 *  permissions on the underlying node of the post.
 * You then also need to either be the cm:creator of
 *  the post node, or a site manager
 */
protected boolean canUserEditPost(PostInfo post, SiteInfo site)
{
   // Are they OK on the node?
   AccessStatus canEdit = permissionService.hasPermission(post.getNodeRef(), PermissionService.WRITE); 
   if (canEdit == AccessStatus.ALLOWED)
   {
      // Only the creator and site managers may edit
      String user = AuthenticationUtil.getFullyAuthenticatedUser();
      if (post.getCreator().equals(user))
      {
         // It's their post
         return true;
      }
      if (site != null)
      {
         String role = siteService.getMembersRole(site.getShortName(), user);
         if (SiteServiceImpl.SITE_MANAGER.equals(role))
         {
            // Managers may edit
            return true;
         }
      }
   }
   
   // If in doubt, you may not edit
   return false;
}
 

import org.alfresco.service.cmr.discussion.PostInfo; //导入依赖的package包/类
protected Map<String, Object> renderPost(PostInfo post, SiteInfo site)
{
   Map<String, Object> item = new HashMap<String, Object>();
   item.put(KEY_IS_TOPIC_POST, false);
   item.put(KEY_POST, post.getNodeRef());
   item.put(KEY_CAN_EDIT, canUserEditPost(post, site));
   item.put(KEY_AUTHOR, buildPerson(post.getCreator()));
   return item;
}
 

import org.alfresco.service.cmr.discussion.PostInfo; //导入依赖的package包/类
protected Map<String, Object> buildCommonModel(SiteInfo site, TopicInfo topic, 
      PostInfo post, WebScriptRequest req)
{
   // Build the common model parts
   Map<String, Object> model = new HashMap<String, Object>();
   model.put(KEY_TOPIC, topic);
   model.put(KEY_POST, post);
   
   // Capture the site details only if site based
   if (site != null)
   {
      model.put("siteId", site.getShortName());
      model.put("site", site);
   }
   
   // The limit on the length of the content to be returned
   int contentLength = -1;
   String contentLengthS = req.getParameter("contentLength");
   if (contentLengthS != null)
   {
      try
      {
         contentLength = Integer.parseInt(contentLengthS);
      }
      catch (NumberFormatException e)
      {
         logger.info("Skipping invalid length " + contentLengthS); 
      }
   }
   model.put("contentLength", contentLength);
   
   // All done
   return model;
}