private boolean toBoolean(final Properties azotProperties, final String key, final boolean defaultValue) {
		boolean flag = defaultValue;
		if (azotProperties.getProperty(key) != null) {
			try {
				flag = Boolean.parseBoolean(azotProperties.getProperty(key));
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		return flag;
	}