/**
* 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;
}
/**
* 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;
}