Calling ant file through java code

Question

Possible Duplicate:
Is it possible to call Ant or NSIS scripts from Java code?

I need to call an ant build in java code. I try to use Runtime class. I dont know how to give the ant build to the following code. I tried to assign the entire ant script to a string, it wont work. Any suggestion

Process child = Runtime.getRuntime().exec("command");

Answer 1

This question should help you:

Is it possible to call Ant or NSIS scripts from Java code?

And this one has a good link in the accepted answer explaining running commands from java in general: Collect Linux command output

Answer 2

Try "cmd /c ant build", that should work.

Answer 3

Alternatively use Gant which is nothing else than using Groovy for scripting Ant scripts instead of using xml.
Groovy scripts compile to Java bytecode - pure Java.