private String loadKeyOfOrientation(String value) {
		if (orientationMap == null) {
			orientationMap = new HashMap<String, String>();
			orientationMap.put(propertiesLoader.loadProperty(Orientation.EAST.getKey()), Orientation.EAST.getKey());
			orientationMap.put(propertiesLoader.loadProperty(Orientation.NORTH.getKey()), Orientation.NORTH.getKey());
			orientationMap.put(propertiesLoader.loadProperty(Orientation.SOUTH.getKey()), Orientation.SOUTH.getKey());
			orientationMap.put(propertiesLoader.loadProperty(Orientation.WEST.getKey()), Orientation.WEST.getKey());
		}
		return orientationMap.get(value);
	}