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/**
 * Copyright (C) 2016 Hurence ([email protected])
 *
 * Licensed 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 com.hurence.logisland.util.time;

import java.util.concurrent.TimeUnit;

public final class Chronometer {

	private static long begin, end;

	public static void start() {
		begin = System.currentTimeMillis();
	}

	public static String stop() {
		end = System.currentTimeMillis();
		return dump();
	}

	public static long getTime() {
		return end - begin;
	}

	public static String dump() {
		long millis = getTime();
		String hms = String.format("%02d:%02d:%02d:%03d (%d)", TimeUnit.MILLISECONDS.toHours(millis),
				TimeUnit.MILLISECONDS.toMinutes(millis) - TimeUnit.HOURS.toMinutes(TimeUnit.MILLISECONDS.toHours(millis)),
				TimeUnit.MILLISECONDS.toSeconds(millis) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millis)),
				TimeUnit.MILLISECONDS.toMillis(millis), millis);
		return hms;
	}
}