@Override
	public Message getMessage(String msgId) throws BadResponseException {
		Message m = null;
		JsonRepresentation representation = null;

		Representation repr = serv.getResource("intervention/" + interId
				+ "/message", msgId);

		try {
			representation = new JsonRepresentation(repr);
			m = new Message(representation.getJsonObject());
		} catch (IOException e) {
			e.printStackTrace();
		} catch (JSONException e) {
			e.printStackTrace();
		}

		return m;
	}