001 package biweekly.property.marshaller;
002
003 import java.util.Date;
004 import java.util.List;
005
006 import biweekly.io.xml.XCalElement;
007 import biweekly.parameter.ICalParameters;
008 import biweekly.parameter.Value;
009 import biweekly.property.FreeBusy;
010 import biweekly.util.Duration;
011 import biweekly.util.Period;
012 import biweekly.util.StringUtils;
013 import biweekly.util.StringUtils.JoinCallback;
014
015 /*
016 Copyright (c) 2013, Michael Angstadt
017 All rights reserved.
018
019 Redistribution and use in source and binary forms, with or without
020 modification, are permitted provided that the following conditions are met:
021
022 1. Redistributions of source code must retain the above copyright notice, this
023 list of conditions and the following disclaimer.
024 2. Redistributions in binary form must reproduce the above copyright notice,
025 this list of conditions and the following disclaimer in the documentation
026 and/or other materials provided with the distribution.
027
028 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
029 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
030 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
031 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
032 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
033 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
034 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
035 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
036 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
037 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
038 */
039
040 /**
041 * Marshals {@link FreeBusy} properties.
042 * @author Michael Angstadt
043 */
044 public class FreeBusyMarshaller extends ICalPropertyMarshaller<FreeBusy> {
045 public FreeBusyMarshaller() {
046 super(FreeBusy.class, "FREEBUSY");
047 }
048
049 @Override
050 protected String _writeText(FreeBusy property) {
051 List<Period> values = property.getValues();
052 if (values.isEmpty()) {
053 return "";
054 }
055
056 return StringUtils.join(values, ",", new JoinCallback<Period>() {
057 public void handle(StringBuilder sb, Period period) {
058 if (period.getStartDate() != null) {
059 String date = date(period.getStartDate()).write();
060 sb.append(date);
061 }
062
063 sb.append('/');
064
065 if (period.getEndDate() != null) {
066 String date = date(period.getEndDate()).write();
067 sb.append(date);
068 } else if (period.getDuration() != null) {
069 sb.append(period.getDuration());
070 }
071 }
072 });
073 }
074
075 @Override
076 protected FreeBusy _parseText(String value, ICalParameters parameters, List<String> warnings) {
077 FreeBusy freebusy = new FreeBusy();
078
079 String periodStrs[] = parseList(value);
080 for (String periodStr : periodStrs) {
081 String periodStrSplit[] = periodStr.split("/");
082
083 if (periodStrSplit.length < 2) {
084 warnings.add("No end date or duration found, skipping time period: " + periodStr);
085 continue;
086 }
087
088 String startStr = periodStrSplit[0];
089 Date start = null;
090 try {
091 start = date(startStr).tzid(parameters.getTimezoneId(), warnings).parse();
092 } catch (IllegalArgumentException e) {
093 warnings.add("Could not parse start date, skipping time period: " + periodStr);
094 continue;
095 }
096
097 String endStr = periodStrSplit[1];
098 try {
099 Date end = date(endStr).tzid(parameters.getTimezoneId(), warnings).parse();
100 freebusy.addValue(start, end);
101 } catch (IllegalArgumentException e) {
102 //must be a duration
103 try {
104 Duration duration = Duration.parse(endStr);
105 freebusy.addValue(start, duration);
106 } catch (IllegalArgumentException e2) {
107 warnings.add("Could not parse end date or duration value, skipping time period: " + periodStr);
108 continue;
109 }
110 }
111 }
112
113 return freebusy;
114 }
115
116 @Override
117 protected void _writeXml(FreeBusy property, XCalElement element) {
118 for (Period period : property.getValues()) {
119 XCalElement periodElement = element.append(Value.PERIOD);
120
121 Date start = period.getStartDate();
122 if (start != null) {
123 periodElement.append("start", date(start).extended(true).write());
124 }
125
126 Date end = period.getEndDate();
127 if (end != null) {
128 periodElement.append("end", date(end).extended(true).write());
129 }
130
131 Duration duration = period.getDuration();
132 if (duration != null) {
133 periodElement.append("duration", duration.toString());
134 }
135 }
136 }
137
138 @Override
139 protected FreeBusy _parseXml(XCalElement element, ICalParameters parameters, List<String> warnings) {
140 FreeBusy prop = new FreeBusy();
141
142 List<XCalElement> periodElements = element.children(Value.PERIOD);
143 for (XCalElement periodElement : periodElements) {
144 Date start = null;
145 String startStr = periodElement.first("start");
146 if (startStr != null) {
147 try {
148 start = date(startStr).tzid(parameters.getTimezoneId(), warnings).parse();
149 } catch (IllegalArgumentException e) {
150 warnings.add("Could not parse start date, skipping time period: " + startStr);
151 continue;
152 }
153 }
154
155 String endStr = periodElement.first("end");
156 if (endStr != null) {
157 try {
158 Date end = date(endStr).tzid(parameters.getTimezoneId(), warnings).parse();
159 prop.addValue(start, end);
160 } catch (IllegalArgumentException e) {
161 warnings.add("Could not parse end date, skipping time period: " + endStr);
162 }
163 continue;
164 }
165
166 String durationStr = periodElement.first("duration");
167 if (durationStr != null) {
168 try {
169 Duration duration = Duration.parse(durationStr);
170 prop.addValue(start, duration);
171 } catch (IllegalArgumentException e) {
172 warnings.add("Could not parse duration, skipping time period: " + durationStr);
173 }
174 continue;
175 }
176 }
177
178 return prop;
179 }
180 }