import org.apache.tools.ant.Main;
 
public class ExecuteAntFromJavaApplication{
 
	public static void main(String[] args){
		String[] antArgs = getAntArgs();
 
		Main.main(antArgs);
	}
	
	public static String[] getAntArgs(){
		String[] antArgs = {"-buildfile", "build.xml",...};
		
		return antArgs;
	}
}