1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/net/fortuna/ical4j/model/Iso8601.java Tue Feb 10 18:12:00 2015 +0100
1.3 @@ -0,0 +1,155 @@
1.4 +/**
1.5 + * Copyright (c) 2012, Ben Fortuna
1.6 + * All rights reserved.
1.7 + *
1.8 + * Redistribution and use in source and binary forms, with or without
1.9 + * modification, are permitted provided that the following conditions
1.10 + * are met:
1.11 + *
1.12 + * o Redistributions of source code must retain the above copyright
1.13 + * notice, this list of conditions and the following disclaimer.
1.14 + *
1.15 + * o Redistributions in binary form must reproduce the above copyright
1.16 + * notice, this list of conditions and the following disclaimer in the
1.17 + * documentation and/or other materials provided with the distribution.
1.18 + *
1.19 + * o Neither the name of Ben Fortuna nor the names of any other contributors
1.20 + * may be used to endorse or promote products derived from this software
1.21 + * without specific prior written permission.
1.22 + *
1.23 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.24 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.25 + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.26 + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
1.27 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
1.28 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
1.29 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
1.30 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
1.31 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
1.32 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
1.33 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.34 + */
1.35 +package net.fortuna.ical4j.model;
1.36 +
1.37 +import java.text.DateFormat;
1.38 +import java.util.Date;
1.39 +
1.40 +import net.fortuna.ical4j.util.CompatibilityHints;
1.41 +import net.fortuna.ical4j.util.Dates;
1.42 +import net.fortuna.ical4j.util.TimeZones;
1.43 +
1.44 +/**
1.45 + * $Id$
1.46 + *
1.47 + * Created on 30/06/2005
1.48 + *
1.49 + * Base class for date and time representations as defined
1.50 + * by the ISO 8601 standard. Sub-classes must ensure that either the correct
1.51 + * precision is used in constructor arguments, or that <code>Object.equals()</code>
1.52 + * is overridden to ensure equality checking is consistent with the type.
1.53 + * @author Ben Fortuna
1.54 + */
1.55 +public abstract class Iso8601 extends Date {
1.56 +
1.57 + /**
1.58 + *
1.59 + */
1.60 + private static final long serialVersionUID = -4290728005713946811L;
1.61 +
1.62 + private DateFormat format;
1.63 +
1.64 + private DateFormat gmtFormat;
1.65 +
1.66 + private int precision;
1.67 +
1.68 + /**
1.69 + * @param time a time value in milliseconds
1.70 + * @param pattern the formatting pattern to apply
1.71 + * @param precision the precision to apply
1.72 + * @param tz the timezone for the instance
1.73 + * @see Dates#PRECISION_DAY
1.74 + * @see Dates#PRECISION_SECOND
1.75 + */
1.76 + public Iso8601(final long time, final String pattern, final int precision, java.util.TimeZone tz) {
1.77 + super(Dates.round(time, precision, tz)); //, TimeZone.getTimeZone(TimeZones.GMT_ID)));
1.78 +// format = new SimpleDateFormat(pattern);
1.79 + format = CalendarDateFormatFactory.getInstance(pattern);
1.80 + format.setTimeZone(tz);
1.81 + format.setLenient(CompatibilityHints.isHintEnabled(CompatibilityHints.KEY_RELAXED_PARSING));
1.82 + // use GMT timezone to avoid daylight savings rules affecting floating
1.83 + // time values..
1.84 +// gmtFormat = new SimpleDateFormat(pattern);
1.85 +// gmtFormat.setTimeZone(TimeZone.getTimeZone(TimeZones.GMT_ID));
1.86 + this.precision = precision;
1.87 + }
1.88 +
1.89 + /**
1.90 + * @param pattern the formatting pattern to apply
1.91 + * @param precision the precision to apply
1.92 + * @param tz the timezone for the instance
1.93 + * @see Dates#PRECISION_DAY
1.94 + * @see Dates#PRECISION_SECOND
1.95 + */
1.96 + public Iso8601(final String pattern, final int precision, java.util.TimeZone tz) {
1.97 + this(Dates.getCurrentTimeRounded(), pattern, precision, tz);
1.98 + }
1.99 +
1.100 + /**
1.101 + * @param time a time value as a date
1.102 + * @param pattern the formatting pattern to apply
1.103 + * @param precision the precision to apply
1.104 + * @param tz the timezone for the instance
1.105 + * @see Dates#PRECISION_DAY
1.106 + * @see Dates#PRECISION_SECOND
1.107 + */
1.108 + public Iso8601(final Date time, final String pattern, final int precision, java.util.TimeZone tz) {
1.109 + this(time.getTime(), pattern, precision, tz);
1.110 + }
1.111 +
1.112 + /**
1.113 + * {@inheritDoc}
1.114 + */
1.115 + public String toString() {
1.116 + // if time is floating avoid daylight saving rules when generating
1.117 + // string representation of date..
1.118 + if (!(format.getTimeZone() instanceof TimeZone)) {
1.119 + if (gmtFormat == null) {
1.120 + gmtFormat = (DateFormat) format.clone();
1.121 + gmtFormat.setTimeZone(TimeZone.getTimeZone(TimeZones.GMT_ID));
1.122 + }
1.123 + if (format.getTimeZone().inDaylightTime(this)
1.124 + && format.getTimeZone().inDaylightTime(new Date(getTime() - 1))) {
1.125 +
1.126 + return gmtFormat.format(new Date(getTime()
1.127 + + format.getTimeZone().getRawOffset()
1.128 + + format.getTimeZone().getDSTSavings()));
1.129 +// return format.format(new Date(getTime() - format.getTimeZone().getDSTSavings()));
1.130 + }
1.131 +// return gmtFormat.format(new Date(getTime() + format.getTimeZone().getOffset(getTime())));
1.132 + return gmtFormat.format(new Date(getTime() + format.getTimeZone().getRawOffset()));
1.133 + }
1.134 + return format.format(this);
1.135 + }
1.136 +
1.137 + /**
1.138 + * @return Returns the format.
1.139 + */
1.140 + protected final DateFormat getFormat() {
1.141 + return format;
1.142 + }
1.143 +
1.144 + /**
1.145 + * {@inheritDoc}
1.146 + */
1.147 + public void setTime(final long time) {
1.148 + // need to check for null format due to Android java.util.Date(long) constructor
1.149 + // calling this method..
1.150 + if (format != null) {
1.151 + super.setTime(Dates.round(time, precision, format.getTimeZone()));
1.152 + }
1.153 + else {
1.154 + // XXX: what do we do here??
1.155 + super.setTime(time);
1.156 + }
1.157 + }
1.158 +}
