/*
 * Project Name:rtdc_export
 * File Name:DateUtilTest
 * Package Name:com.ly.dc.rtdc.entry.util
 * Date:2014/12/2213:47
 * Copyright (c) 2014, LY.com All Rights Reserved.
 */
package com.ly.dc.rtdc.entry.util;

import org.apache.commons.lang3.time.FastDateFormat;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.DateTimeFormatterBuilder;
import org.joda.time.format.DateTimeParser;
import org.junit.Test;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

import static org.junit.Assert.assertEquals;

/**
 * ClassName: DateUtilTest
 * Description:
 * Date: 2014/12/22 13:47
 *
 * @author ymh09658
 * @version V1.0
 * @since JDK 1.6
 */
public class DateUtilTest {
	private static final String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
	private static final String YYYY_MM_DD_HH_MM_SS_SSS = "yyyy-MM-dd HH:mm:ss.SSS";
	private static final String YYYY_MM_DD_KK_MM_SS_A = "yyyy-MM-dd KK:mm:ss a";
	private String a = "2014-12-22 13:48:11";
	private String b = "2014-12-22 13:48:11.112";
	private String c = "2014-12-22 01:48:11 PM";

	private String[] l = { a, b, c };

	@Test
	public void test2() {
		long time = System.currentTimeMillis();
		SimpleDateFormat format = new SimpleDateFormat(YYYY_MM_DD_HH_MM_SS);

		for (int i = 0; i < 10000; i++) {
			try {
				assertEquals(format.parse(l[i % 3]).getHours(), 13);
			} catch (ParseException e) {
				e.printStackTrace();
			}
		}
		System.out.println("2 " + (System.currentTimeMillis() - time));
	}

	@Test
	public void test3() {
		long time = System.currentTimeMillis();

		final DateTimeParser[] parses = { DateTimeFormat.forPattern(YYYY_MM_DD_HH_MM_SS).getParser(),
				DateTimeFormat.forPattern(YYYY_MM_DD_HH_MM_SS_SSS).getParser() };

		for (int i = 0; i < 10000; i++) {
			DateTimeFormatter formatter = new DateTimeFormatterBuilder().append(null, parses).toFormatter();
			String text = l[i % 3];
			Date date;
			try {
				date = formatter.parseDateTime(text).toDate();
			} catch (IllegalArgumentException e) {
				date = DateTimeFormat.forPattern(YYYY_MM_DD_KK_MM_SS_A).withLocale(Locale.US)
						.parseDateTime(text).toDate();

			}
			assertEquals(date.getHours(), 13);
		}

		System.out.println("3 " + (System.currentTimeMillis() - time));
	}

	@Test
	public void test4() {
		long time = System.currentTimeMillis();
		final DateTimeParser[] parses = { DateTimeFormat.forPattern(YYYY_MM_DD_HH_MM_SS).getParser(),
				DateTimeFormat.forPattern(YYYY_MM_DD_HH_MM_SS_SSS).getParser() };
		DateTimeFormatter formatter = new DateTimeFormatterBuilder().append(null, parses).toFormatter();
		DateTimeFormatter withLocale = DateTimeFormat.forPattern(YYYY_MM_DD_KK_MM_SS_A).withLocale(Locale.US);

		for (int i = 0; i < 10000; i++) {
			String text = l[i % 3];
			Date date;
			try {
				date=formatter.parseDateTime(text).toDate();
			} catch (IllegalArgumentException e) {
				date=withLocale.parseDateTime(text).toDate();
			}
			assertEquals(date.getHours(), 13);
		}

		System.out.println("4 " + (System.currentTimeMillis() - time));
	}

	@Test
	public void test5() throws ParseException {
		long time = System.currentTimeMillis();

		for (int i = 0; i < 10000; i++) {
			String text = l[i % 3];
			Date date;
			try {
				date=FastDateFormat.getInstance(YYYY_MM_DD_HH_MM_SS).parse(text);
			} catch (ParseException e) {
				try {
					date=FastDateFormat.getInstance(YYYY_MM_DD_HH_MM_SS_SSS).parse(text);
				} catch (ParseException e1) {
					date=FastDateFormat.getInstance(YYYY_MM_DD_KK_MM_SS_A).parse(text);
				}
			}
			assertEquals(date.getHours(), 13);
		}

		System.out.println("5 " + (System.currentTimeMillis() - time));
	}

}