How to make System command calls in Java/Groovy?

Question

What I want to do is invoke maven from a groovy script. The groovy script in question is used as a maven wrapper to build J2EE projects by downloading a tag and invoking maven o

Answer 1

It is as simple as doing

"yourCommand".execute();

If you want to get print outputs on the executed command on standard output you can do

def proc = "yourCommand".execute();
proc.waitForProcessOutput(System.out, System.err);

If you want to store and process the output you can do

def proc = "yourCommand".execute();
def outputStream = new StringBuffer();
proc.waitForProcessOutput(outputStream, System.err);
println(outputStream.toString());

UPDATE:

Also you can set working dir by

File workingDir = file("")
def proc = "yourCommand".execute([], workingDir.absolutePath);