class PropertiesUtil extends PropertyPlaceholderConfigurer {

    public static String[] getPropertyStringList(String key) {
	if (key == null) {
	    return null;
	}
	String value = propertiesMap.get(key);
	if (value != null) {
	    String[] splitValues = value.split(",");
	    String[] returnValues = new String[splitValues.length];
	    for (int i = 0; i < splitValues.length; i++) {
		returnValues[i] = splitValues[i].trim();
	    }
	    return returnValues;
	} else {
	    return new String[0];
	}
    }

    private  PropertiesUtil();

}