Method sendMessage

src/main/java/com/mxgraph/online/AbsCache.java:452–460

@see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)

(String id, String msg, String sid)

	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void sendMessage(String id, String msg, String sid)
			throws IOException
	{
		if (msg != null)
		{
			getPusher().trigger(id, "changed", msg, sid);
			debug("sendMessage id=" + id + " msg=" + msg);
		}
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)