Java tutorial
/* * [y] hybris Platform * * Copyright (c) 2000-2015 hybris AG * All rights reserved. * * This software is the confidential and proprietary information of hybris * ("Confidential Information"). You shall not disclose such Confidential * Information and shall use it only in accordance with the terms of the * license agreement you entered into with hybris. */ package tasly.greathealth.thirdparty.order.common; import java.math.BigDecimal; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.UUID; import org.apache.commons.lang.StringUtils; import org.apache.commons.lang.math.NumberUtils; import org.slf4j.Logger; import tasly.greathealth.oms.log.OmsLoggerFactory; /** * All kinds of tools for Third * * @author libin */ public class TaslyThirdUtils { private static final Logger LOG = OmsLoggerFactory.getJdorderlog(); // ?? public static boolean isValidDate(final String date) { boolean convertSuccess = true; // ??/?/??yyyy/MM/dd? final SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); try { // lenientfalse. ?SimpleDateFormat??2007/02/29???2007/03/01 format.setLenient(false); format.parse(date); } catch (final ParseException e) { // e.printStackTrace(); // throw java.text.ParseExceptionNullPointerException?? convertSuccess = false; } catch (final NullPointerException e) { convertSuccess = false; } return convertSuccess; } public static String addTime(final Date startDate, final int intervaltime) { final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); final Calendar cd = Calendar.getInstance(); try { cd.setTime(sdf.parse(sdf.format(startDate))); } catch (final ParseException e) { e.printStackTrace(); } cd.add(Calendar.MINUTE, intervaltime);// final Date date = cd.getTime(); return sdf.format(date); } public static String formatTime(final Date date) { final SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); return df.format(date); } public static Date getDatebyStr(final String dateSrt) { final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date date; try { date = sdf.parse(dateSrt); } catch (final ParseException e) { LOG.error(e.getMessage()); throw new RuntimeException(e); } return date; } public static Integer safeStr2Integer(final String str) { if (str != null) { return Integer.valueOf(str); } else { return 0; } } public static Long safeStr2Long(final String str) { if (str != null) { return Long.valueOf(str); } else { return 0L; } } public static Double safe2Double(final String str) { return StringUtils.isNotBlank(str) && NumberUtils.isNumber(str) ? Double.parseDouble(str) : 0d; } // public static Double safeStr2Double(final String str) // { // if (str != null) // { // return Double.valueOf(str); // } // else // { // return 0.00; // } // } public static String safe2String(final Object object) { if (object == null) { return ""; } return object.toString(); } public static String CreateUUID() { final UUID uuid = UUID.randomUUID(); return uuid.toString(); } public static Long CreateUID() { return UID.next(); } // public static double getTotal(final double num1, final double num2) { return BigDecimal.valueOf(num1).add(BigDecimal.valueOf(num2)).doubleValue(); } // public static double negate(final double priceStr, final double num) { return BigDecimal.valueOf(priceStr).add(BigDecimal.valueOf(num).negate()).doubleValue(); } // ? public static double getPriceBySub(final double totlePrice, final double subedprice) { return BigDecimal.valueOf(totlePrice).subtract(BigDecimal.valueOf(subedprice)).doubleValue(); } // ??(?) public static double getPirceByRate(final double priceStr, final double rateStr, final int scale) { return BigDecimal.valueOf(priceStr).multiply(BigDecimal.valueOf(rateStr)) .setScale(scale, BigDecimal.ROUND_HALF_UP).doubleValue(); } // ???(?) public static double getPirceByNum(final double priceStr, final long num, final int scale) { return BigDecimal.valueOf(priceStr).multiply(BigDecimal.valueOf(num)) .setScale(scale, BigDecimal.ROUND_HALF_UP).doubleValue(); } public static double getPirceByNum(final double priceStr, final long num) { return BigDecimal.valueOf(priceStr).multiply(BigDecimal.valueOf(num)).doubleValue(); } public static double getPirceByNum(final double priceStr, final double num) { return BigDecimal.valueOf(priceStr).multiply(BigDecimal.valueOf(num)).doubleValue(); } public static double getRate(final double priceStr, final double num, final int scale) { // return BigDecimal.valueOf(priceStr).divide(BigDecimal.valueOf(num)).setScale(scale, // BigDecimal.ROUND_HALF_UP).doubleValue(); return BigDecimal.valueOf(priceStr).divide(BigDecimal.valueOf(num), scale, BigDecimal.ROUND_HALF_UP) .doubleValue(); } }