if (messageText.equals(defaultText))
{
messageText = "";
}
BookmarkPopulator objectStrat = new BookmarkPopulator();
objectStrat.setLinkInformation(link);
ActivityDTO activity = activityPopulator.getActivityDTO(messageText, recipientType,
scope.getUniqueKey(), new PostPopulator(), objectStrat);
PostActivityRequest postRequest = new PostActivityRequest(activity);
ActivityModel.getInstance().insert(postRequest);