/**
   * Get a preserved community backup file and respective children from cloud.
   *
   * @param context context DSpace
   * @param ref ID of the community
   * @param establishConnection true if pretend establish connection to cloud
   * @return true if file correctly sent to cloud, or false if not
   */
  public Boolean getCommunityAndChilds(Context context, Integer ref, Boolean establishConnection) {
    // if true make the connection available
    if (establishConnection == true) {
      this.makeConnection();
      this.filesInCloud.putAll(this.newCloudConnection.getInfoFilesIn(Constants.COMMUNITY));
    }

    // get file community from cloud
    getCommunity(context, ref, false);

    Community obj;
    Community[] subCommunities;
    Collection[] collections;

    // get community and the respective sub-communities and childs
    try {
      obj = Community.find(context, ref);
      subCommunities = obj.getSubcommunities();
      collections = obj.getCollections();
    } catch (Exception ex) {
      // it means it is the first father in the order, so close connection
      if (establishConnection == true) this.closeConnection();
      Logger.getLogger(ActualContentManagement.class.getName()).log(Level.SEVERE, null, ex);
      return false;
    }

    // get from cloud all the respective files sub-communities and childs
    if (subCommunities.length != 0) {
      for (int i = 0; i < subCommunities.length; i++)
        getCommunityAndChilds(context, subCommunities[i].getID(), false);
    }

    // get from cloud all files collections and childs
    if (collections.length != 0) {
      for (int i = 0; i < collections.length; i++)
        getCollectionAndChilds(context, collections[i].getID(), false);
    }

    // it means it is the first father in the order
    if (establishConnection == true) this.closeConnection();

    return true;
  }
示例#2
0
 /**
  * Generic find for when the precise type of a DSO is not known, just the a pair of type number
  * and database ID.
  *
  * @param context - the context
  * @param type - type number
  * @param id - id within table of type'd objects
  * @return the object found, or null if it does not exist.
  * @throws SQLException only upon failure accessing the database.
  */
 public static DSpaceObject find(Context context, int type, int id) throws SQLException {
   switch (type) {
     case Constants.BITSTREAM:
       return Bitstream.find(context, id);
     case Constants.BUNDLE:
       return Bundle.find(context, id);
     case Constants.ITEM:
       return Item.find(context, id);
     case Constants.COLLECTION:
       return Collection.find(context, id);
     case Constants.COMMUNITY:
       return Community.find(context, id);
     case Constants.GROUP:
       return Group.find(context, id);
     case Constants.EPERSON:
       return EPerson.find(context, id);
     case Constants.SITE:
       return Site.find(context, id);
   }
   return null;
 }