001 package biweekly.property.marshaller;
002
003 import java.util.List;
004
005 import biweekly.ICalDataType;
006 import biweekly.Warning;
007 import biweekly.io.CannotParseException;
008 import biweekly.io.json.JCalValue;
009 import biweekly.io.xml.XCalElement;
010 import biweekly.parameter.ICalParameters;
011 import biweekly.property.Geo;
012 import biweekly.util.ICalFloatFormatter;
013
014 /*
015 Copyright (c) 2013, Michael Angstadt
016 All rights reserved.
017
018 Redistribution and use in source and binary forms, with or without
019 modification, are permitted provided that the following conditions are met:
020
021 1. Redistributions of source code must retain the above copyright notice, this
022 list of conditions and the following disclaimer.
023 2. Redistributions in binary form must reproduce the above copyright notice,
024 this list of conditions and the following disclaimer in the documentation
025 and/or other materials provided with the distribution.
026
027 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
028 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
029 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
030 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
031 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
032 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
033 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
034 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
035 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
036 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
037 */
038
039 /**
040 * Marshals {@link Geo} properties.
041 * @author Michael Angstadt
042 */
043 public class GeoMarshaller extends ICalPropertyMarshaller<Geo> {
044 public GeoMarshaller() {
045 super(Geo.class, "GEO", ICalDataType.FLOAT);
046 }
047
048 @Override
049 protected String _writeText(Geo property) {
050 ICalFloatFormatter formatter = new ICalFloatFormatter();
051 StringBuilder sb = new StringBuilder();
052
053 Double latitude = property.getLatitude();
054 if (latitude == null) {
055 latitude = 0.0;
056 }
057 sb.append(formatter.format(latitude));
058
059 sb.append(';');
060
061 Double longitude = property.getLongitude();
062 if (longitude == null) {
063 longitude = 0.0;
064 }
065 sb.append(formatter.format(longitude));
066
067 return sb.toString();
068 }
069
070 @Override
071 protected Geo _parseText(String value, ICalDataType dataType, ICalParameters parameters, List<Warning> warnings) {
072 SemiStructuredIterator it = semistructured(value);
073 String latitudeStr = it.next();
074 String longitudeStr = it.next();
075
076 if (latitudeStr == null || longitudeStr == null) {
077 throw new CannotParseException(20);
078 }
079
080 return parse(latitudeStr, longitudeStr);
081 }
082
083 @Override
084 protected void _writeXml(Geo property, XCalElement element) {
085 ICalFloatFormatter formatter = new ICalFloatFormatter();
086
087 Double latitude = property.getLatitude();
088 if (latitude == null) {
089 latitude = 0.0;
090 }
091 element.append("latitude", formatter.format(latitude));
092
093 Double longitude = property.getLongitude();
094 if (longitude == null) {
095 longitude = 0.0;
096 }
097 element.append("longitude", formatter.format(longitude));
098 }
099
100 @Override
101 protected Geo _parseXml(XCalElement element, ICalParameters parameters, List<Warning> warnings) {
102 String latitudeStr = element.first("latitude");
103 String longitudeStr = element.first("longitude");
104 if (latitudeStr == null && longitudeStr == null) {
105 throw missingXmlElements("latitude", "longitude");
106 }
107 if (latitudeStr == null) {
108 throw missingXmlElements("latitude");
109 }
110 if (longitudeStr == null) {
111 throw missingXmlElements("longitude");
112 }
113
114 return parse(latitudeStr, longitudeStr);
115 }
116
117 @Override
118 protected JCalValue _writeJson(Geo property) {
119 Double latitude = property.getLatitude();
120 if (latitude == null) {
121 latitude = 0.0;
122 }
123
124 Double longitude = property.getLongitude();
125 if (longitude == null) {
126 longitude = 0.0;
127 }
128
129 return JCalValue.structured(latitude, longitude);
130 }
131
132 @Override
133 protected Geo _parseJson(JCalValue value, ICalDataType dataType, ICalParameters parameters, List<Warning> warnings) {
134 StructuredIterator it = structured(value);
135 String latitudeStr = it.nextString();
136 String longitudeStr = it.nextString();
137 return parse(latitudeStr, longitudeStr);
138 }
139
140 private Geo parse(String latitudeStr, String longitudeStr) {
141 Double latitude = null;
142 if (latitudeStr != null) {
143 try {
144 latitude = Double.valueOf(latitudeStr);
145 } catch (NumberFormatException e) {
146 throw new CannotParseException(21, latitudeStr);
147 }
148 }
149
150 Double longitude = null;
151 if (longitudeStr != null) {
152 try {
153 longitude = Double.valueOf(longitudeStr);
154 } catch (NumberFormatException e) {
155 throw new CannotParseException(22, longitudeStr);
156 }
157 }
158
159 return new Geo(latitude, longitude);
160 }
161 }