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src/net/fortuna/ical4j/model/Iso8601.java@73bdfa70b04e (annotated)

src/net/fortuna/ical4j/model/Iso8601.java

Tue, 10 Feb 2015 19:38:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 10 Feb 2015 19:38:00 +0100
changeset 3
73bdfa70b04e
parent 0
fb9019fb1bf7
permissions
-rw-r--r--

Upgrade embedded ical4j from ancient whatever to upstream version 1.0.6.

michael@0 1 /**
michael@0 2 * Copyright (c) 2012, Ben Fortuna
michael@0 3 * All rights reserved.
michael@0 4 *
michael@0 5 * Redistribution and use in source and binary forms, with or without
michael@0 6 * modification, are permitted provided that the following conditions
michael@0 7 * are met:
michael@0 8 *
michael@0 9 * o Redistributions of source code must retain the above copyright
michael@0 10 * notice, this list of conditions and the following disclaimer.
michael@0 11 *
michael@0 12 * o Redistributions in binary form must reproduce the above copyright
michael@0 13 * notice, this list of conditions and the following disclaimer in the
michael@0 14 * documentation and/or other materials provided with the distribution.
michael@0 15 *
michael@0 16 * o Neither the name of Ben Fortuna nor the names of any other contributors
michael@0 17 * may be used to endorse or promote products derived from this software
michael@0 18 * without specific prior written permission.
michael@0 19 *
michael@0 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
michael@0 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
michael@0 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
michael@0 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
michael@0 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
michael@0 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
michael@0 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
michael@0 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0 31 */
michael@0 32 package net.fortuna.ical4j.model;
michael@0 33
michael@0 34 import java.text.DateFormat;
michael@0 35 import java.util.Date;
michael@0 36
michael@0 37 import net.fortuna.ical4j.util.CompatibilityHints;
michael@0 38 import net.fortuna.ical4j.util.Dates;
michael@0 39 import net.fortuna.ical4j.util.TimeZones;
michael@0 40
michael@0 41 /**
michael@0 42 * $Id$
michael@0 43 *
michael@0 44 * Created on 30/06/2005
michael@0 45 *
michael@0 46 * Base class for date and time representations as defined
michael@0 47 * by the ISO 8601 standard. Sub-classes must ensure that either the correct
michael@0 48 * precision is used in constructor arguments, or that <code>Object.equals()</code>
michael@0 49 * is overridden to ensure equality checking is consistent with the type.
michael@0 50 * @author Ben Fortuna
michael@0 51 */
michael@0 52 public abstract class Iso8601 extends Date {
michael@0 53
michael@0 54 /**
michael@0 55 *
michael@0 56 */
michael@0 57 private static final long serialVersionUID = -4290728005713946811L;
michael@0 58
michael@0 59 private DateFormat format;
michael@0 60
michael@0 61 private DateFormat gmtFormat;
michael@0 62
michael@0 63 private int precision;
michael@0 64
michael@0 65 /**
michael@0 66 * @param time a time value in milliseconds
michael@0 67 * @param pattern the formatting pattern to apply
michael@0 68 * @param precision the precision to apply
michael@0 69 * @param tz the timezone for the instance
michael@0 70 * @see Dates#PRECISION_DAY
michael@0 71 * @see Dates#PRECISION_SECOND
michael@0 72 */
michael@0 73 public Iso8601(final long time, final String pattern, final int precision, java.util.TimeZone tz) {
michael@0 74 super(Dates.round(time, precision, tz)); //, TimeZone.getTimeZone(TimeZones.GMT_ID)));
michael@0 75 // format = new SimpleDateFormat(pattern);
michael@0 76 format = CalendarDateFormatFactory.getInstance(pattern);
michael@0 77 format.setTimeZone(tz);
michael@0 78 format.setLenient(CompatibilityHints.isHintEnabled(CompatibilityHints.KEY_RELAXED_PARSING));
michael@0 79 // use GMT timezone to avoid daylight savings rules affecting floating
michael@0 80 // time values..
michael@0 81 // gmtFormat = new SimpleDateFormat(pattern);
michael@0 82 // gmtFormat.setTimeZone(TimeZone.getTimeZone(TimeZones.GMT_ID));
michael@0 83 this.precision = precision;
michael@0 84 }
michael@0 85
michael@0 86 /**
michael@0 87 * @param pattern the formatting pattern to apply
michael@0 88 * @param precision the precision to apply
michael@0 89 * @param tz the timezone for the instance
michael@0 90 * @see Dates#PRECISION_DAY
michael@0 91 * @see Dates#PRECISION_SECOND
michael@0 92 */
michael@0 93 public Iso8601(final String pattern, final int precision, java.util.TimeZone tz) {
michael@0 94 this(Dates.getCurrentTimeRounded(), pattern, precision, tz);
michael@0 95 }
michael@0 96
michael@0 97 /**
michael@0 98 * @param time a time value as a date
michael@0 99 * @param pattern the formatting pattern to apply
michael@0 100 * @param precision the precision to apply
michael@0 101 * @param tz the timezone for the instance
michael@0 102 * @see Dates#PRECISION_DAY
michael@0 103 * @see Dates#PRECISION_SECOND
michael@0 104 */
michael@0 105 public Iso8601(final Date time, final String pattern, final int precision, java.util.TimeZone tz) {
michael@0 106 this(time.getTime(), pattern, precision, tz);
michael@0 107 }
michael@0 108
michael@0 109 /**
michael@0 110 * {@inheritDoc}
michael@0 111 */
michael@0 112 public String toString() {
michael@0 113 // if time is floating avoid daylight saving rules when generating
michael@0 114 // string representation of date..
michael@3 115 final java.util.TimeZone timeZone = format.getTimeZone();
michael@3 116 if (!(timeZone instanceof TimeZone)) {
michael@0 117 if (gmtFormat == null) {
michael@0 118 gmtFormat = (DateFormat) format.clone();
michael@0 119 gmtFormat.setTimeZone(TimeZone.getTimeZone(TimeZones.GMT_ID));
michael@0 120 }
michael@3 121 if (timeZone.inDaylightTime(this)
michael@3 122 && timeZone.inDaylightTime(new Date(getTime() - 1))) {
michael@3 123
michael@0 124 return gmtFormat.format(new Date(getTime()
michael@3 125 + timeZone.getRawOffset()
michael@3 126 + timeZone.getDSTSavings()));
michael@0 127 // return format.format(new Date(getTime() - format.getTimeZone().getDSTSavings()));
michael@0 128 }
michael@0 129 // return gmtFormat.format(new Date(getTime() + format.getTimeZone().getOffset(getTime())));
michael@3 130 return gmtFormat.format(new Date(getTime() + timeZone.getRawOffset()));
michael@0 131 }
michael@0 132 return format.format(this);
michael@0 133 }
michael@0 134
michael@0 135 /**
michael@0 136 * @return Returns the format.
michael@0 137 */
michael@0 138 protected final DateFormat getFormat() {
michael@0 139 return format;
michael@0 140 }
michael@0 141
michael@0 142 /**
michael@0 143 * {@inheritDoc}
michael@0 144 */
michael@0 145 public void setTime(final long time) {
michael@0 146 // need to check for null format due to Android java.util.Date(long) constructor
michael@0 147 // calling this method..
michael@0 148 if (format != null) {
michael@0 149 super.setTime(Dates.round(time, precision, format.getTimeZone()));
michael@0 150 }
michael@0 151 else {
michael@0 152 // XXX: what do we do here??
michael@0 153 super.setTime(time);
michael@0 154 }
michael@0 155 }
michael@0 156 }

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