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