Android Open Source - droidengine2d Time Counter

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License

The source code is released under:

Apache License

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Java Source Code

/*   Copyright 2013-2014 Miguel Vicente Linares
 *//  www. ja  v  a 2 s  . c om
 *  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.miviclin.droidengine2d.util.time;

import java.util.Locale;

/**
 * Time counter.
 * 
 * @author Miguel Vicente Linares
 * 
 */
public class TimeCounter {

  private long milliseconds;
  private long start;
  private boolean started;

  /**
   * Creates a new TimeCounter.
   */
  public TimeCounter() {
    milliseconds = 0;
    start = System.currentTimeMillis();
    started = false;
  }

  /**
   * Resets this counter.
   */
  public void reset() {
    milliseconds = 0;
    start = System.currentTimeMillis();
    started = false;
  }

  /**
   * Updates this counter.<br>
   * Updates the elapsed time by adding the time elapsed since the last update.
   */
  public void update() {
    if (!started) {
      reset();
      started = true;
    } else {
      milliseconds = System.currentTimeMillis() - start;
    }
  }

  /**
   * Returns the time accumulated in this counter, in milliseconds.
   * 
   * @return time elapsed, in milliseconds
   */
  public long getMilliseconds() {
    return milliseconds;
  }

  /**
   * Returns the time accumulated in this counter, in seconds.
   * 
   * @return time elapsed, in seconds
   */
  public long getSeconds() {
    return milliseconds / TimeConstants.MILLISECONDS_PER_SECOND;
  }

  /**
   * Returns the time accumulated in this counter, in minutes.
   * 
   * @return time elapsed, in minutes
   */
  public long getMinutes() {
    return milliseconds / TimeConstants.MILLISECONDS_PER_MINUTE;
  }

  /**
   * Returns the time accumulated in this counter, in hours.
   * 
   * @return time elapsed, in hours
   */
  public long getHours() {
    return milliseconds / TimeConstants.MILLISECONDS_PER_HOUR;
  }

  /**
   * Returns the time accumulated in this counter, in days.
   * 
   * @return time elapsed, in days
   */
  public long getDays() {
    return milliseconds / TimeConstants.MILLISECONDS_PER_DAY;
  }

  @Override
  public String toString() {
    long days = getDays();
    long hours = getHours() % TimeConstants.HOURS_PER_DAY;
    long minutes = getMinutes() % TimeConstants.MINUTES_PER_HOUR;
    long seconds = getSeconds() % TimeConstants.SECONDS_PER_MINUTE;
    long milliseconds = this.milliseconds % TimeConstants.MILLISECONDS_PER_SECOND;
    return String.format(Locale.US, "%02d:%02d:%02d:%02d.%03d", days, hours, minutes, seconds, milliseconds);
  }

}

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