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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to you 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.
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package com.hazelcast.shaded.org.apache.calcite.util;

import com.hazelcast.shaded.org.apache.calcite.avatica.util.DateTimeUtils;

import com.hazelcast.shaded.com.google.common.base.Preconditions;

import com.hazelcast.shaded.org.checkerframework.checker.nullness.qual.Nullable;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Locale;
import java.util.TimeZone;

import static java.lang.Math.floorMod;

/**
 * Time with time-zone literal.
 *
 * 

Immutable, internally represented as a string (in ISO format), * and can support unlimited precision (milliseconds, nanoseconds). */ public class TimeWithTimeZoneString implements Comparable { final TimeString localTime; final TimeZone timeZone; final String v; /** Creates a TimeWithTimeZoneString. */ public TimeWithTimeZoneString(TimeString localTime, TimeZone timeZone) { this.localTime = localTime; this.timeZone = timeZone; this.v = localTime.toString() + " " + timeZone.getID(); } /** Creates a TimeWithTimeZoneString. */ public TimeWithTimeZoneString(String v) { this.localTime = new TimeString(v.substring(0, 8)); String timeZoneString = v.substring(9); Preconditions.checkArgument(DateTimeStringUtils.isValidTimeZone(timeZoneString)); this.timeZone = TimeZone.getTimeZone(timeZoneString); this.v = v; } /** Creates a TimeWithTimeZoneString for hour, minute, second and millisecond values * in the given time-zone. */ public TimeWithTimeZoneString(int h, int m, int s, String timeZone) { this(DateTimeStringUtils.hms(new StringBuilder(), h, m, s).toString() + " " + timeZone); } /** Sets the fraction field of a {@code TimeWithTimeZoneString} to a given number * of milliseconds. Nukes the value set via {@link #withNanos}. * *

For example, * {@code new TimeWithTimeZoneString(1970, 1, 1, 2, 3, 4, "UTC").withMillis(56)} * yields {@code TIME WITH LOCAL TIME ZONE '1970-01-01 02:03:04.056 UTC'}. */ public TimeWithTimeZoneString withMillis(int millis) { Preconditions.checkArgument(millis >= 0 && millis < 1000); return withFraction(DateTimeStringUtils.pad(3, millis)); } /** Sets the fraction field of a {@code TimeString} to a given number * of nanoseconds. Nukes the value set via {@link #withMillis(int)}. * *

For example, * {@code new TimeWithTimeZoneString(1970, 1, 1, 2, 3, 4, "UTC").withNanos(56789)} * yields {@code TIME WITH LOCAL TIME ZONE '1970-01-01 02:03:04.000056789 UTC'}. */ public TimeWithTimeZoneString withNanos(int nanos) { Preconditions.checkArgument(nanos >= 0 && nanos < 1000000000); return withFraction(DateTimeStringUtils.pad(9, nanos)); } /** Sets the fraction field of a {@code TimeWithTimeZoneString}. * The precision is determined by the number of leading zeros. * Trailing zeros are stripped. * *

For example, * {@code new TimeWithTimeZoneString(1970, 1, 1, 2, 3, 4, "UTC").withFraction("00506000")} * yields {@code TIME WITH LOCAL TIME ZONE '1970-01-01 02:03:04.00506 UTC'}. */ public TimeWithTimeZoneString withFraction(String fraction) { String v = this.v; int i = v.indexOf('.'); if (i >= 0) { v = v.substring(0, i); } else { v = v.substring(0, 8); } while (fraction.endsWith("0")) { fraction = fraction.substring(0, fraction.length() - 1); } if (fraction.length() > 0) { v = v + "." + fraction; } v = v + this.v.substring(8); // time-zone return new TimeWithTimeZoneString(v); } public TimeWithTimeZoneString withTimeZone(TimeZone timeZone) { if (this.timeZone.equals(timeZone)) { return this; } String localTimeString = localTime.toString(); String v; String fraction; int i = localTimeString.indexOf('.'); if (i >= 0) { v = localTimeString.substring(0, i); fraction = localTimeString.substring(i + 1); } else { v = localTimeString; fraction = null; } final DateTimeUtils.PrecisionTime pt = DateTimeUtils.parsePrecisionDateTimeLiteral(v, new SimpleDateFormat(DateTimeUtils.TIME_FORMAT_STRING, Locale.ROOT), this.timeZone, -1); pt.getCalendar().setTimeZone(timeZone); if (fraction != null) { return new TimeWithTimeZoneString( pt.getCalendar().get(Calendar.HOUR_OF_DAY), pt.getCalendar().get(Calendar.MINUTE), pt.getCalendar().get(Calendar.SECOND), timeZone.getID()) .withFraction(fraction); } return new TimeWithTimeZoneString( pt.getCalendar().get(Calendar.HOUR_OF_DAY), pt.getCalendar().get(Calendar.MINUTE), pt.getCalendar().get(Calendar.SECOND), timeZone.getID()); } @Override public String toString() { return v; } @Override public boolean equals(@Nullable Object o) { // The value is in canonical form (no trailing zeros). return o == this || o instanceof TimeWithTimeZoneString && ((TimeWithTimeZoneString) o).v.equals(v); } @Override public int hashCode() { return v.hashCode(); } @Override public int compareTo(TimeWithTimeZoneString o) { return v.compareTo(o.v); } public TimeWithTimeZoneString round(int precision) { Preconditions.checkArgument(precision >= 0); return new TimeWithTimeZoneString( localTime.round(precision), timeZone); } public static TimeWithTimeZoneString fromMillisOfDay(int i) { return new TimeWithTimeZoneString( DateTimeUtils.unixTimeToString(i) + " " + DateTimeUtils.UTC_ZONE.getID()) .withMillis((int) floorMod(i, 1000L)); } /** Converts this TimeWithTimeZoneString to a string, truncated or padded with * zeros to a given precision. */ public String toString(int precision) { Preconditions.checkArgument(precision >= 0); return localTime.toString(precision) + " " + timeZone.getID(); } public TimeString getLocalTimeString() { return localTime; } }





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