Utils.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.covert.util;

import java.util.Arrays;
import java.util.Collection;

public class Utils {
	public static void sleep(long ms) {
		try {
			Thread.sleep(ms);
		} catch (InterruptedException e) {}
	}
	
	public static String join(String delim, Collection<String> strings)
	{
		StringBuilder res = new StringBuilder();
		boolean first = true;
		for(String s : strings)
		{
			if(first)
			{
				first = false;
				res.append(s);
			}
			else
			{
				res.append(delim).append(s);
			}
		}
		return res.toString();
	}
	
	public static String join(String delim, String... strings)
	{
		return join(delim, Arrays.asList(strings));
	}
}