2 * ============LICENSE_START====================================================
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4 * ===========================================================================
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5 * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
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6 * ===========================================================================
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7 * Licensed under the Apache License, Version 2.0 (the "License");
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8 * you may not use this file except in compliance with the License.
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9 * You may obtain a copy of the License at
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11 * http://www.apache.org/licenses/LICENSE-2.0
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13 * Unless required by applicable law or agreed to in writing, software
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14 * distributed under the License is distributed on an "AS IS" BASIS,
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15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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16 * See the License for the specific language governing permissions and
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17 * limitations under the License.
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18 * ============LICENSE_END====================================================
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22 package org.onap.aaf.misc.env.util;
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24 import java.security.SecureRandom;
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25 import java.text.DateFormat;
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26 import java.text.SimpleDateFormat;
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27 import java.util.Date;
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28 import java.util.GregorianCalendar;
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29 import java.util.TimeZone;
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30 import java.util.UUID;
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31 import java.util.logging.Formatter;
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32 import java.util.logging.LogRecord;
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34 import javax.xml.datatype.DatatypeConfigurationException;
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35 import javax.xml.datatype.DatatypeFactory;
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36 import javax.xml.datatype.XMLGregorianCalendar;
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38 public class Chrono {
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39 private static final long NUM_100NS_INTERVALS_SINCE_UUID_EPOCH = 0x01b21dd213814000L;
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41 public final static DateFormat dateFmt, dateOnlyFmt, niceDateFmt, utcFmt, niceUTCDateFmt, iso8601Fmt;
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42 // Give general access to XML DataType Factory, since it's pretty common
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43 public static final DatatypeFactory xmlDatatypeFactory;
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47 xmlDatatypeFactory = DatatypeFactory.newInstance();
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48 } catch (DatatypeConfigurationException e) {
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49 throw new RuntimeException(e);
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51 dateOnlyFmt = new SimpleDateFormat("yyyy-MM-dd");
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52 niceDateFmt = new SimpleDateFormat("yyyy/MM/dd HH:mm zzz");
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53 dateFmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
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54 utcFmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
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55 utcFmt.setTimeZone(TimeZone.getTimeZone("UTC"));
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56 niceUTCDateFmt = new SimpleDateFormat("yyyy/MM/dd HH:mm zzz");
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57 niceUTCDateFmt.setTimeZone(TimeZone.getTimeZone("UTC"));
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58 iso8601Fmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSX");
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62 public static class Formatter8601 extends Formatter {
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65 public String format(LogRecord r) {
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66 StringBuilder sb = new StringBuilder();
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67 sb.append(dateFmt.format(new Date(r.getMillis())));
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69 sb.append(r.getThreadID());
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71 sb.append(r.getLevel());
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73 sb.append(r.getMessage());
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75 return sb.toString();
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83 * Convenience method to setup an XML dateTime (XMLGregorianCalendar) with "now"
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86 public static XMLGregorianCalendar timeStamp() {
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87 return xmlDatatypeFactory.newXMLGregorianCalendar(new GregorianCalendar());
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93 * Convenience method to setup an XML dateTime (XMLGregorianCalendar) with passed in Date
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97 public static XMLGregorianCalendar timeStamp(Date date) {
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98 GregorianCalendar gc = new GregorianCalendar();
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100 return xmlDatatypeFactory.newXMLGregorianCalendar(gc);
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103 public static XMLGregorianCalendar timeStamp(GregorianCalendar gc) {
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104 return xmlDatatypeFactory.newXMLGregorianCalendar(gc);
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107 public static String utcStamp() {
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108 return utcFmt.format(new Date());
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111 public static String utcStamp(Date date) {
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112 if (date==null)return "";
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113 return utcFmt.format(date);
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116 public static String utcStamp(GregorianCalendar gc) {
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117 if (gc==null)return "";
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118 return utcFmt.format(gc.getTime());
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121 public static String utcStamp(XMLGregorianCalendar xgc) {
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122 if (xgc==null)return "";
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123 return utcFmt.format(xgc.toGregorianCalendar().getTime());
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126 public static String niceUTCStamp() {
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127 return niceUTCDateFmt.format(new Date());
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130 public static String niceUTCStamp(Date date) {
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131 if (date==null)return "";
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132 return niceUTCDateFmt.format(date);
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135 public static String niceUTCStamp(GregorianCalendar gc) {
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136 if (gc==null)return "";
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137 return niceUTCDateFmt.format(gc.getTime());
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140 public static String niceUTCStamp(XMLGregorianCalendar xgc) {
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141 if (xgc==null)return "";
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142 return niceUTCDateFmt.format(xgc.toGregorianCalendar().getTime());
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145 public static String dateStamp() {
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146 return dateFmt.format(new Date());
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149 public static String dateStamp(GregorianCalendar gc) {
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150 if (gc == null)return "";
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151 return dateFmt.format(gc.getTime());
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154 public static String dateStamp(Date date) {
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155 if (date == null)return "";
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156 return dateFmt.format(date);
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159 public static String dateStamp(XMLGregorianCalendar xgc) {
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160 if (xgc==null)return "";
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161 return dateFmt.format(xgc.toGregorianCalendar().getTime());
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165 * JAXB compatible dataTime Stamp
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167 * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
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171 public static String dateTime() {
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172 return dateTime(new GregorianCalendar());
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176 * JAXB compatible dataTime Stamp
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178 * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
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182 public static String dateTime(Date date) {
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183 GregorianCalendar gc = new GregorianCalendar();
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185 return dateTime(gc);
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189 * JAXB compatible dataTime Stamp
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191 * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
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195 public static String dateTime(GregorianCalendar gc) {
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196 if (gc == null)return "";
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197 TimeZone tz = gc.getTimeZone();
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198 int tz1 = (tz.getRawOffset()+tz.getDSTSavings())/0x8CA0;
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199 int tz1abs = Math.abs(tz1);
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200 return String.format("%04d-%02d-%02dT%02d:%02d:%02d.%03d%c%02d:%02d",
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201 gc.get(GregorianCalendar.YEAR),
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202 gc.get(GregorianCalendar.MONTH)+1,
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203 gc.get(GregorianCalendar.DAY_OF_MONTH),
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204 gc.get(GregorianCalendar.HOUR),
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205 gc.get(GregorianCalendar.MINUTE),
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206 gc.get(GregorianCalendar.SECOND),
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207 gc.get(GregorianCalendar.MILLISECOND),
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208 tz1==tz1abs?'+':'-',
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210 ((tz1abs-(tz1abs/100)*100)*6)/10 // Get the "10s", then convert to mins (without losing int place)
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215 * JAXB compatible dataTime Stamp
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217 * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
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221 public static String dateTime(XMLGregorianCalendar xgc) {
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222 return xgc==null?"":dateTime(xgc.toGregorianCalendar());
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225 public static String dateOnlyStamp() {
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226 return dateOnlyFmt.format(new Date());
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229 public static String dateOnlyStamp(GregorianCalendar gc) {
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230 return gc == null?"":dateOnlyFmt.format(gc.getTime());
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233 public static String dateOnlyStamp(Date date) {
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234 return date == null?"":dateOnlyFmt.format(date);
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237 public static String dateOnlyStamp(XMLGregorianCalendar xgc) {
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238 return xgc==null?"":dateOnlyFmt.format(xgc.toGregorianCalendar().getTime());
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241 public static String niceDateStamp() {
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242 return niceDateFmt.format(new Date());
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245 public static String niceDateStamp(Date date) {
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246 return date==null?"":niceDateFmt.format(date);
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249 public static String niceDateStamp(GregorianCalendar gc) {
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250 return gc==null?"":niceDateFmt.format(gc.getTime());
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253 public static String niceDateStamp(XMLGregorianCalendar xgc) {
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254 return xgc==null?"":niceDateFmt.format(xgc.toGregorianCalendar().getTime());
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258 ////////////////////// HELPFUL Strings
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259 public static final String BAD_DIR_CHARS_REGEX = "[/:\\;.]";
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260 public static final String SPLIT_DIR_REGEX = "/";
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262 public static long firstMomentOfDay(long utc) {
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263 GregorianCalendar begin = new GregorianCalendar();
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264 begin.setTimeInMillis(utc);
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265 return firstMomentOfDay(begin).getTimeInMillis();
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268 public static long lastMomentOfDay(long utc) {
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269 GregorianCalendar end = new GregorianCalendar();
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270 end.setTimeInMillis(utc);
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271 return lastMomentOfDay(end).getTimeInMillis();
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274 public static GregorianCalendar firstMomentOfDay(GregorianCalendar begin) {
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275 if (begin==null)begin = new GregorianCalendar();
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276 begin.set(GregorianCalendar.HOUR, 0);
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277 begin.set(GregorianCalendar.AM_PM, GregorianCalendar.AM);
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278 begin.set(GregorianCalendar.MINUTE, 0);
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279 begin.set(GregorianCalendar.SECOND, 0);
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280 begin.set(GregorianCalendar.MILLISECOND, 0);
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284 public static GregorianCalendar lastMomentOfDay(GregorianCalendar end) {
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285 if (end==null)end = new GregorianCalendar();
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286 end.set(GregorianCalendar.HOUR, 11);
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287 end.set(GregorianCalendar.MINUTE, 59);
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288 end.set(GregorianCalendar.SECOND, 59);
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289 end.set(GregorianCalendar.MILLISECOND, 999);
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290 end.set(GregorianCalendar.AM_PM, GregorianCalendar.PM);
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294 // UUID needs to be converted from UUID Epoch
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295 public static final Date uuidToDate(UUID id) {
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296 return new Date((id.timestamp() - NUM_100NS_INTERVALS_SINCE_UUID_EPOCH)/10000);
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299 public static final long uuidToUnix(UUID id) {
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300 return (id.timestamp() - NUM_100NS_INTERVALS_SINCE_UUID_EPOCH)/10000;
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303 public static float millisFromNanos(long start, long end) {
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304 return (end - start) / 1000000f;
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308 private static long sequence = new SecureRandom().nextInt();
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309 private static synchronized long sequence() {
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313 public static final UUID dateToUUID(Date origTime) {
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314 return dateToUUID(origTime.getTime());
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317 public static final UUID dateToUUID(long origTime) {
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319 * From Cassandra : http://wiki.apache.org/cassandra/FAQ
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320 Magic number obtained from #cassandra's thobbs, who
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321 claims to have stolen it from a Python library.
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323 long time = origTime * 10000 + NUM_100NS_INTERVALS_SINCE_UUID_EPOCH;
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324 long timeLow = time & 0xffffffffL;
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325 long timeMid = time & 0xffff00000000L;
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326 long timeHi = time & 0xfff000000000000L;
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327 long upperLong = (timeLow << 32) | (timeMid >> 16) | (1 << 12) | (timeHi >> 48) ;
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328 return new java.util.UUID(upperLong, (0xC000000000000000L | sequence()));
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