contentNode.setProperty("jcr:data", in);
Calendar lastModified = Calendar.getInstance();
// lastModified.setTimeInMillis(file.lastModified());
contentNode.setProperty("jcr:lastModified", lastModified);
session().save();
contentNode.setProperty("jcr:data", in);
Calendar lastModified = Calendar.getInstance();
// lastModified.setTimeInMillis(file.lastModified());
contentNode.setProperty("jcr:lastModified", lastModified);
session().save();