Ping a remote host in groovy

Ping.groovy

import org.slf4j.Logger
import org.slf4j.LoggerFactory

class Ping 
{
	public static Boolean isReachable(String hostname) {
		Logger logger = LoggerFactory.getLogger('com.example.utils.system.ping')
		logger.debug("[Ping.isReachable] isReachable called with hostname: {}", hostname)

		if (! hostname?.trim()) {
			logger.lifecycle("[Ping.isReachable] hostname is null or empty.")
			return false
		}

		String pingargs = (System.properties['os.name'].toLowerCase().contains('windows')) ? '-n 4' : '-c 4'
		logger.debug("[Ping.isReachable] ping args are [{}]", pingargs)

		logger.lifecycle("[Ping.isReachable] Pinging {}...", hostname)
		String response = "ping ${hostname} ${pingargs}".execute().text

		Boolean isAlive = false
        	logger.debug("[Ping.isReachable] Ping response is:\n{}", response)
        	response.eachLine() { line ->
            		if (line.startsWith('Reply from') || line.startsWith('64 bytes from')) {
                		isAlive = true
            		}
		}
        	return isAlive
	}
}