Call Perl number normalisation from Java

gistfile2.java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Run {

	public static void main(String args[]) {

		Process process;

		try {
			process = Runtime.getRuntime().exec("perl normalize.pl 07882085327 GB");
			process.waitFor();
			if (process.exitValue() == 0) {
				System.out.println("Command Successful");
				try {
					BufferedReader in = new BufferedReader(
							new InputStreamReader(process.getInputStream()));
					String line = null;
					while ((line = in.readLine()) != null) {
						System.out.println(line);
					}
				} catch (IOException e) {
					e.printStackTrace();
				}
			} else {
				System.out.println("Command Failure");
			}
		} catch (Exception e) {
			System.out.println("Exception: " + e.toString());
		}
	}
}

Only UK but this Perl can be expanded upon

#!/usr/bin/perl

use strict;
use warnings;

my $n = $ARGV[0];
my $country = $ARGV[1];

if ($country eq "GB") {
    if ($n =~ /^0(\d{10})$/x) {
        $n = "44" . "$1";
    }
}

print "+" . $n . "\n";