diff options
Diffstat (limited to 'env/src/main/java/com/att/inno/env/util/Chrono.java')
| -rw-r--r-- | env/src/main/java/com/att/inno/env/util/Chrono.java | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/env/src/main/java/com/att/inno/env/util/Chrono.java b/env/src/main/java/com/att/inno/env/util/Chrono.java new file mode 100644 index 0000000..7d81d3d --- /dev/null +++ b/env/src/main/java/com/att/inno/env/util/Chrono.java @@ -0,0 +1,308 @@ +/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aai
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * Copyright © 2017 Amdocs
+ * * ===========================================================================
+ * * 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.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package com.att.inno.env.util;
+
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.security.SecureRandom;
+import java.util.TimeZone;
+import java.util.UUID;
+import java.util.logging.Formatter;
+import java.util.logging.LogRecord;
+
+import javax.xml.datatype.DatatypeConfigurationException;
+import javax.xml.datatype.DatatypeFactory;
+import javax.xml.datatype.XMLGregorianCalendar;
+
+public class Chrono {
+ private static final long NUM_100NS_INTERVALS_SINCE_UUID_EPOCH = 0x01b21dd213814000L;
+
+ public final static DateFormat dateFmt, dateOnlyFmt, niceDateFmt, utcFmt;
+ // Give general access to XML DataType Factory, since it's pretty common
+ public static final DatatypeFactory xmlDatatypeFactory;
+
+ static {
+ try {
+ xmlDatatypeFactory = DatatypeFactory.newInstance();
+ } catch (DatatypeConfigurationException e) {
+ throw new RuntimeException(e);
+ }
+ dateOnlyFmt = new SimpleDateFormat("yyyy-MM-dd");
+ niceDateFmt = new SimpleDateFormat("yyyy/MM/dd HH:mm zzz");
+ dateFmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
+ utcFmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
+ utcFmt.setTimeZone(TimeZone.getTimeZone("UTC"));
+ }
+
+
+ public static class Formatter8601 extends Formatter {
+
+ @Override
+ public String format(LogRecord r) {
+ StringBuilder sb = new StringBuilder();
+ sb.append(dateFmt.format(new Date(r.getMillis())));
+ sb.append(' ');
+ sb.append(r.getThreadID());
+ sb.append(' ');
+ sb.append(r.getLevel());
+ sb.append(": ");
+ sb.append(r.getMessage());
+ sb.append('\n');
+ return sb.toString();
+ }
+
+ }
+
+ /**
+ * timeStamp
+ *
+ * Convenience method to setup an XML dateTime (XMLGregorianCalendar) with "now"
+ * @return
+ */
+ public static XMLGregorianCalendar timeStamp() {
+ return xmlDatatypeFactory.newXMLGregorianCalendar(new GregorianCalendar());
+ }
+
+ /**
+ * timestamp
+ *
+ * Convenience method to setup an XML dateTime (XMLGregorianCalendar) with passed in Date
+ * @param date
+ * @return
+ */
+ public static XMLGregorianCalendar timeStamp(Date date) {
+ GregorianCalendar gc = new GregorianCalendar();
+ gc.setTime(date);
+ return xmlDatatypeFactory.newXMLGregorianCalendar(gc);
+ }
+
+ public static XMLGregorianCalendar timeStamp(GregorianCalendar gc) {
+ return xmlDatatypeFactory.newXMLGregorianCalendar(gc);
+ }
+
+ public static String utcStamp() {
+ return utcFmt.format(new Date());
+ }
+
+ public static String utcStamp(Date date) {
+ if(date==null)return "";
+ return utcFmt.format(date);
+ }
+
+ public static String utcStamp(GregorianCalendar gc) {
+ if(gc==null)return "";
+ return utcFmt.format(gc.getTime());
+ }
+
+ public static String utcStamp(XMLGregorianCalendar xgc) {
+ if(xgc==null)return "";
+ return utcFmt.format(xgc.toGregorianCalendar().getTime());
+ }
+
+ public static String dateStamp() {
+ return dateFmt.format(new Date());
+ }
+
+ public static String dateStamp(GregorianCalendar gc) {
+ if(gc == null)return "";
+ return dateFmt.format(gc.getTime());
+ }
+
+ public static String dateStamp(Date date) {
+ if(date == null)return "";
+ return dateFmt.format(date);
+ }
+
+ public static String dateStamp(XMLGregorianCalendar xgc) {
+ if(xgc==null)return "";
+ return dateFmt.format(xgc.toGregorianCalendar().getTime());
+ }
+
+ /**
+ * JAXB compatible dataTime Stamp
+ *
+ * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
+ *
+ * @return
+ */
+ public static String dateTime() {
+ return dateTime(new GregorianCalendar());
+ }
+
+ /**
+ * JAXB compatible dataTime Stamp
+ *
+ * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
+ *
+ * @return
+ */
+ public static String dateTime(Date date) {
+ GregorianCalendar gc = new GregorianCalendar();
+ gc.setTime(date);
+ return dateTime(gc);
+ }
+
+ /**
+ * JAXB compatible dataTime Stamp
+ *
+ * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
+ *
+ * @return
+ */
+ public static String dateTime(GregorianCalendar gc) {
+ if(gc == null)return "";
+ TimeZone tz = gc.getTimeZone();
+ int tz1 = (tz.getRawOffset()+tz.getDSTSavings())/0x8CA0;
+ int tz1abs = Math.abs(tz1);
+ return String.format("%04d-%02d-%02dT%02d:%02d:%02d.%03d%c%02d:%02d",
+ gc.get(GregorianCalendar.YEAR),
+ gc.get(GregorianCalendar.MONTH)+1,
+ gc.get(GregorianCalendar.DAY_OF_MONTH),
+ gc.get(GregorianCalendar.HOUR),
+ gc.get(GregorianCalendar.MINUTE),
+ gc.get(GregorianCalendar.SECOND),
+ gc.get(GregorianCalendar.MILLISECOND),
+ tz1==tz1abs?'+':'-',
+ tz1abs/100,
+ ((tz1abs-(tz1abs/100)*100)*6)/10 // Get the "10s", then convert to mins (without losing int place)
+ );
+ }
+
+ /**
+ * JAXB compatible dataTime Stamp
+ *
+ * Java 6 does not format Timezone with -05:00 format, and JAXB XML breaks without it.
+ *
+ * @return
+ */
+ public static String dateTime(XMLGregorianCalendar xgc) {
+ return xgc==null?"":dateTime(xgc.toGregorianCalendar());
+ }
+
+ public static String dateOnlyStamp() {
+ return dateOnlyFmt.format(new Date());
+ }
+
+ public static String dateOnlyStamp(GregorianCalendar gc) {
+ return gc == null?"":dateOnlyFmt.format(gc.getTime());
+ }
+
+ public static String dateOnlyStamp(Date date) {
+ return date == null?"":dateOnlyFmt.format(date);
+ }
+
+ public static String dateOnlyStamp(XMLGregorianCalendar xgc) {
+ return xgc==null?"":dateOnlyFmt.format(xgc.toGregorianCalendar().getTime());
+ }
+
+ public static String niceDateStamp() {
+ return niceDateFmt.format(new Date());
+ }
+
+ public static String niceDateStamp(Date date) {
+ return date==null?"":niceDateFmt.format(date);
+ }
+
+ public static String niceDateStamp(GregorianCalendar gc) {
+ return gc==null?"":niceDateFmt.format(gc.getTime());
+ }
+
+ public static String niceDateStamp(XMLGregorianCalendar xgc) {
+ return xgc==null?"":niceDateFmt.format(xgc.toGregorianCalendar().getTime());
+ }
+
+
+ ////////////////////// HELPFUL Strings
+ public static final String BAD_DIR_CHARS_REGEX = "[/:\\;.]";
+ public static final String SPLIT_DIR_REGEX = "/";
+
+ public static long firstMomentOfDay(long utc) {
+ GregorianCalendar begin = new GregorianCalendar();
+ begin.setTimeInMillis(utc);
+ return firstMomentOfDay(begin).getTimeInMillis();
+ }
+
+ public static long lastMomentOfDay(long utc) {
+ GregorianCalendar end = new GregorianCalendar();
+ end.setTimeInMillis(utc);
+ return lastMomentOfDay(end).getTimeInMillis();
+ }
+
+ public static GregorianCalendar firstMomentOfDay(GregorianCalendar begin) {
+ if(begin==null)begin = new GregorianCalendar();
+ begin.set(GregorianCalendar.HOUR, 0);
+ begin.set(GregorianCalendar.AM_PM, GregorianCalendar.AM);
+ begin.set(GregorianCalendar.MINUTE, 0);
+ begin.set(GregorianCalendar.SECOND, 0);
+ begin.set(GregorianCalendar.MILLISECOND, 0);
+ return begin;
+ }
+
+ public static GregorianCalendar lastMomentOfDay(GregorianCalendar end) {
+ if(end==null)end = new GregorianCalendar();
+ end.set(GregorianCalendar.HOUR, 11);
+ end.set(GregorianCalendar.MINUTE, 59);
+ end.set(GregorianCalendar.SECOND, 59);
+ end.set(GregorianCalendar.MILLISECOND, 999);
+ end.set(GregorianCalendar.AM_PM, GregorianCalendar.PM);
+ return end;
+ }
+
+ // UUID needs to be converted from UUID Epoch
+ public static final Date uuidToDate(UUID id) {
+ return new Date((id.timestamp() - NUM_100NS_INTERVALS_SINCE_UUID_EPOCH)/10000);
+ }
+
+ public static final long uuidToUnix(UUID id) {
+ return (id.timestamp() - NUM_100NS_INTERVALS_SINCE_UUID_EPOCH)/10000;
+ }
+
+ public static float millisFromNanos(long start, long end) {
+ return (end - start) / 1000000f;
+ }
+
+
+ private static long sequence = new SecureRandom().nextInt();
+ private static synchronized long sequence() {
+ return ++sequence;
+ }
+ public static final UUID dateToUUID(Date d) {
+ /*
+ * From Cassandra : http://wiki.apache.org/cassandra/FAQ
+ Magic number obtained from #cassandra's thobbs, who
+ claims to have stolen it from a Python library.
+ */
+
+ long origTime = d.getTime();
+ long time = origTime * 10000 + NUM_100NS_INTERVALS_SINCE_UUID_EPOCH;
+ long timeLow = time & 0xffffffffL;
+ long timeMid = time & 0xffff00000000L;
+ long timeHi = time & 0xfff000000000000L;
+ long upperLong = (timeLow << 32) | (timeMid >> 16) | (1 << 12) | (timeHi >> 48) ;
+ return new java.util.UUID(upperLong, (0xC000000000000000L | sequence()));
+ }
+
+}
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