class PropertiesUtil extends PropertyPlaceholderConfigurer {

    public static boolean getBooleanProperty(String key, boolean defaultValue) {
	if (key == null) {
	    return defaultValue;
	}
	String value = getProperty(key);
	if (value == null) {
	    return defaultValue;
	}
	return Boolean.parseBoolean(value);
    }

    private  PropertiesUtil();

}