contentBlob = null;
this.contentAsBlob = null;
	public void setContentAsBlob( byte[] contentBlob )	{		if ( contentBlob != null )		{			try			{				this.contentAsBlob = new String( contentBlob, CHARSET );			}			catch ( UnsupportedEncodingException e )			{				this.contentAsBlob = null;				assert false;			}		}		else			contentBlob = null;	}