Created
October 12, 2014 11:44
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Usage : java -jar process-exec-1.0.jar 'directory' 'batch-file' 'interval'
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package com.trumbleinc.exec; | |
import java.io.File; | |
import java.io.IOException; | |
import java.text.SimpleDateFormat; | |
import java.util.Calendar; | |
import java.util.Date; | |
import java.util.concurrent.Executors; | |
import java.util.concurrent.ScheduledExecutorService; | |
import java.util.concurrent.TimeUnit; | |
public class ProcessExecutor { | |
public static void main(final String[] args) { | |
int length = args.length; | |
if (length != 3) { | |
System.out | |
.println("You need to enter directory , batch file and exec interval in mins as arguments."); | |
System.out | |
.println("Usage : java ProcessExecutor 'directory' 'batch-file' 'interval'"); | |
System.exit(1); | |
} else { | |
System.out.println("Directory : " + args[0]); | |
System.out.println("Batch File : " + args[1]); | |
System.out.println("Interval : " + args[2] + " mins"); | |
System.out.println("\n\n"); | |
} | |
ScheduledExecutorService scheduler = Executors | |
.newSingleThreadScheduledExecutor(); | |
scheduler.scheduleAtFixedRate(new Runnable() { | |
public void run() { | |
ProcessBuilder pb = new ProcessBuilder(new String[] { | |
"cmd.exe", "/c", args[1] }); | |
pb.directory(new File(args[0])); | |
try { | |
String timeStamp = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss").format(Calendar.getInstance().getTime()); | |
System.out.println("Process started at " + timeStamp); | |
Process p = pb.start(); | |
int exitStatus = p.waitFor(); | |
if (exitStatus == 0) { | |
System.out.println(args[1] + " process ran successfully"); | |
} else { | |
System.out.println(args[1] + "process Failed"); | |
} | |
} catch (InterruptedException e) { | |
e.printStackTrace(); | |
} catch (IOException e) { | |
e.printStackTrace(); | |
} | |
} | |
}, 0, Integer.parseInt(args[2]), TimeUnit.MINUTES); | |
} | |
} |
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