Grep ProcessId for Process From Java

GrepProcessIdProcessFromJava.java

import org.zeroturnaround.exec.ProcessExecutor;

import java.io.IOException;
import java.util.concurrent.TimeoutException;

/**
 * Created by agaikwad on 2/26/16.
 */
public class GrepProcessIdProcessFromJava {

    public static void main(String[] args) {
        String pid = grepProcessId("tomcat");
        System.out.println("----");
        System.out.println("Process Id: " + pid);
        System.out.println("----");
    }

    private static String grepProcessId(String processName) {
        String processId = "";
        try {
            processId = new ProcessExecutor()
                    .command("/bin/sh",
                             "-c",
                             "ps -e -o pid,args | grep '" + processName + "' | grep -v 'grep' | awk '{print $1}'")
                    .readOutput(true)
                    .execute()
                    .outputUTF8();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (InterruptedException e) {
            e.printStackTrace();
        } catch (TimeoutException e) {
            e.printStackTrace();
        }
        return processId;
    }
}