package dslab.util;

import dslab.rmi.serialize.Executors.ThrowingRunnable;

import java.util.Collection;
import java.util.List;
import java.util.logging.Logger;

import static java.lang.System.out;
import static java.util.stream.Collectors.joining;

public class Utils {

    private static final Logger LOG = Logger.getLogger(Utils.class.getSimpleName());

    public static String listElements(Collection<?> collection) {
        return collection.stream().map(Object::toString).collect(joining(","));
    }

    /**
     * List.of("foo","bar") |->
     * "1. foo
     * 2. bar"
     */
    public static void printListing(List<?> list) {
        if (list.isEmpty())
            out.println("<empty>");
        else
            for (int i = 0; i < list.size(); i++)
                out.println(i + 1 + ". " + list.get(i));
    }

    public static void asUnchecked(ThrowingRunnable runnable) throws RuntimeException {
        try {runnable.run();} catch (Exception e) {throw new RuntimeException(e);}
    }
}