package org.transdroid.daemon.util;

import java.util.Iterator;

/**
 * Helpers on Collections
 */
public class Collections2 {

	/**
	 * Create a String from an iterable with a separator. Exemple: mkString({1,2,3,4}, ":" => "1:2:3:4"
	 */
	public static <T> String joinString(Iterable<T> iterable, String separator) {
		boolean first = true;
		String result = "";
		Iterator<T> it = iterable.iterator();
		while (it.hasNext()) {
			result = (first ? "" : separator) + it.next().toString();
			first = false;
		}
		return result;
	}

}