@Override
    public String getUrl() {
        if (dataSource != null) {
            return dataSource.getUrl();
        }
        return null;
    }
Instantiates a new Druid data source monitor.

@param dataSource the data source
agent-module/plugins/druid/src/main/java/com/navercorp/pinpoint/plugin/druid/DruidDataSourceMonitor.java