package ca.uhn.fhir.jpa.testutil;
import java.io.IOException;
import java.net.ServerSocket;
import java.util.ArrayList;
import java.util.List;
/**
* Provides server ports
*/
public class RandomServerPortProvider {
private static List<Integer> ourPorts = new ArrayList<Integer>();
public static int findFreePort() {
ServerSocket server;
try {
server = new ServerSocket(0);
int port = server.getLocalPort();
ourPorts.add(port);
server.close();
Thread.sleep(2000);
return port;
} catch (IOException e) {
throw new Error(e);
} catch (InterruptedException e) {
throw new Error(e);
}
}
public static List<Integer> list() {
return ourPorts;
}
}