private DBObject applyFieldFilter(DBObject object) {
if (object instanceof GridFSFile) {
GridFSFile file = (GridFSFile) object;
DBObject metadata = file.getMetaData();
if (metadata != null) {
file.setMetaData(applyFieldFilter(metadata));
}
} else {
object = MongoDBHelper.applyExcludeFields(object, definition.getExcludeFields());
object = MongoDBHelper.applyIncludeFields(object, definition.getIncludeFields());
}
return object;
}
@Override
protected String save(UrnObject urnObject) {
ByteArrayInputStream stream = new ByteArrayInputStream(urnObject.bytes);
DBObject metadata = new BasicDBObject();
metadata.put(FIELD_STORED, urnObject.stored);
if (AssertUtils.isNotEmpty(urnObject.name)) {
metadata.put(FIELD_NAME, urnObject.name);
}
if (AssertUtils.isNotEmpty(urnObject.name)) {
metadata.put(FIELD_MIME, urnObject.mime);
}
if (urnObject.expiry > 0) {
metadata.put(FIELD_EXPIRY, urnObject.expiry);
}
GridFSFile file = this.template.store(stream, urnObject.key, urnObject.mime, metadata);
if (file == null) {
return null;
}
return file.getFilename();
}