1 package tim.prune.function.browser;
3 import java.text.DecimalFormat;
4 import java.text.NumberFormat;
5 import java.util.Locale;
7 import tim.prune.I18nManager;
8 import tim.prune.data.DataPoint;
9 import tim.prune.data.DoubleRange;
10 import tim.prune.data.TrackInfo;
13 * Class to manage the generation of map urls
14 * for display in an external browser
16 public abstract class UrlGenerator
18 /** Number formatter for five dp */
19 private static final NumberFormat FIVE_DP = NumberFormat.getNumberInstance(Locale.UK);
20 // Select the UK locale for this formatter so that decimal point is always used (not comma)
22 if (FIVE_DP instanceof DecimalFormat) ((DecimalFormat) FIVE_DP).applyPattern("0.00000");
25 public enum WebService
27 MAP_SOURCE_GOOGLE, /* Google maps */
28 MAP_SOURCE_OSM, /* OpenStreetMap */
29 MAP_SOURCE_MAPQUEST, /* Mapquest */
30 MAP_SOURCE_YAHOO, /* Yahoo */
31 MAP_SOURCE_BING, /* Bing */
32 MAP_SOURCE_PEAKFINDER, /* PeakFinder */
33 MAP_SOURCE_GEOHACK, /* Geohack */
34 MAP_SOURCE_PANORAMIO, /* Panoramio */
38 * Generate a URL for the given source and track info
39 * @param inSource source to use, from the enum in UrlGenerator
40 * @param inTrackInfo track info
43 public static String generateUrl(WebService inSource, TrackInfo inTrackInfo)
47 case MAP_SOURCE_GOOGLE:
48 return generateGoogleUrl(inTrackInfo);
49 case MAP_SOURCE_MAPQUEST:
50 return generateMapquestUrl(inTrackInfo);
51 case MAP_SOURCE_YAHOO:
52 return generateYahooUrl(inTrackInfo);
54 return generateBingUrl(inTrackInfo);
55 case MAP_SOURCE_PEAKFINDER:
56 case MAP_SOURCE_GEOHACK:
57 case MAP_SOURCE_PANORAMIO:
58 return generateUrlForPoint(inSource, inTrackInfo);
61 return generateOpenStreetMapUrl(inTrackInfo);
66 * Generate a url for Google maps
67 * @param inTrackInfo track information
70 private static String generateGoogleUrl(TrackInfo inTrackInfo)
72 // Check if any data to display
73 if (inTrackInfo == null || inTrackInfo.getTrack() == null || inTrackInfo.getTrack().getNumPoints() < 1)
77 double medianLat = getMedianValue(inTrackInfo.getTrack().getLatRange());
78 double medianLon = getMedianValue(inTrackInfo.getTrack().getLonRange());
79 double latSpan = getSpan(inTrackInfo.getTrack().getLatRange());
80 double lonSpan = getSpan(inTrackInfo.getTrack().getLonRange());
81 // Build basic url with centre position and span
82 String url = "http://" + I18nManager.getText("url.googlemaps")
83 + "/?ll=" + FIVE_DP.format(medianLat) + "," + FIVE_DP.format(medianLon)
84 + "&spn=" + FIVE_DP.format(latSpan) + "," + FIVE_DP.format(lonSpan);
85 DataPoint currPoint = inTrackInfo.getCurrentPoint();
86 // Add selected point, if any
87 if (currPoint != null) {
88 url = url + "&q=" + FIVE_DP.format(currPoint.getLatitude().getDouble()) + ","
89 + FIVE_DP.format(currPoint.getLongitude().getDouble());
90 if (currPoint.getWaypointName() != null) {
91 url = url + "(" + currPoint.getWaypointName() + ")";
98 * Generate a url for Mapquest maps
99 * @param inTrackInfo track information
102 private static String generateMapquestUrl(TrackInfo inTrackInfo)
104 // Check if any data to display
105 if (inTrackInfo == null || inTrackInfo.getTrack() == null || inTrackInfo.getTrack().getNumPoints() < 1)
109 double medianLat = getMedianValue(inTrackInfo.getTrack().getLatRange());
110 double medianLon = getMedianValue(inTrackInfo.getTrack().getLonRange());
111 // Build basic url with centre position
112 String url = "http://atlas.mapquest.com/maps/map.adp?latlongtype=decimal&latitude="
113 + FIVE_DP.format(medianLat) + "&longitude=" + FIVE_DP.format(medianLon);
119 * Generate a url for Yahoo maps
120 * @param inTrackInfo track information
123 private static String generateYahooUrl(TrackInfo inTrackInfo)
125 // Check if any data to display
126 if (inTrackInfo == null || inTrackInfo.getTrack() == null || inTrackInfo.getTrack().getNumPoints() < 1)
130 double medianLat = getMedianValue(inTrackInfo.getTrack().getLatRange());
131 double medianLon = getMedianValue(inTrackInfo.getTrack().getLonRange());
132 // Build basic url with centre position
133 String url = "http://maps.yahoo.com/#lat=" + FIVE_DP.format(medianLat)
134 + "&lon=" + FIVE_DP.format(medianLon) + "&zoom=13";
139 * Generate a url for Bing maps
140 * @param inTrackInfo track information
143 private static String generateBingUrl(TrackInfo inTrackInfo)
145 // Check if any data to display
146 if (inTrackInfo == null || inTrackInfo.getTrack() == null || inTrackInfo.getTrack().getNumPoints() < 1)
150 double medianLat = getMedianValue(inTrackInfo.getTrack().getLatRange());
151 double medianLon = getMedianValue(inTrackInfo.getTrack().getLonRange());
152 // Build basic url with centre position
153 String latStr = FIVE_DP.format(medianLat);
154 String lonStr = FIVE_DP.format(medianLon);
155 String url = "http://bing.com/maps/default.aspx?cp=" + latStr + "~" + lonStr
156 + "&where1=" + latStr + "%2C%20" + lonStr;
161 * Generate a url for Open Street Map
162 * @param inTrackInfo track information
165 private static String generateOpenStreetMapUrl(TrackInfo inTrackInfo)
167 // Check if any data to display
168 if (inTrackInfo == null || inTrackInfo.getTrack() == null || inTrackInfo.getTrack().getNumPoints() < 1)
172 DoubleRange latRange = inTrackInfo.getTrack().getLatRange();
173 DoubleRange lonRange = inTrackInfo.getTrack().getLonRange();
174 // Build basic url using min and max lat and long
175 String url = "http://openstreetmap.org/?minlat=" + FIVE_DP.format(latRange.getMinimum())
176 + "&maxlat=" + FIVE_DP.format(latRange.getMaximum())
177 + "&minlon=" + FIVE_DP.format(lonRange.getMinimum()) + "&maxlon=" + FIVE_DP.format(lonRange.getMaximum());
178 DataPoint currPoint = inTrackInfo.getCurrentPoint();
179 // Add selected point, if any (no way to add point name?)
180 if (currPoint != null) {
181 url = url + "&mlat=" + FIVE_DP.format(currPoint.getLatitude().getDouble())
182 + "&mlon=" + FIVE_DP.format(currPoint.getLongitude().getDouble());
188 * Generate a URL which only needs the current point
189 * This is just a helper method to simplify the calls to the service-specific methods
190 * @param inSource service to call
191 * @param inTrackInfo track info
192 * @return URL if available, or null
194 private static String generateUrlForPoint(WebService inService, TrackInfo inTrackInfo)
196 if (inTrackInfo == null || inTrackInfo.getTrack() == null || inTrackInfo.getTrack().getNumPoints() < 1)
200 // Need a current point
201 DataPoint currPoint = inTrackInfo.getCurrentPoint();
202 if (currPoint == null)
208 case MAP_SOURCE_PEAKFINDER:
209 return generatePeakfinderUrl(currPoint);
210 case MAP_SOURCE_GEOHACK:
211 return generateGeohackUrl(currPoint);
212 case MAP_SOURCE_PANORAMIO:
213 return generatePanoramioUrl(currPoint);
221 * Generate a url for PeakFinder
222 * @param inPoint current point, not null
225 private static String generatePeakfinderUrl(DataPoint inPoint)
227 return "http://peakfinder.org/?lat=" + FIVE_DP.format(inPoint.getLatitude().getDouble())
228 + "&lng=" + FIVE_DP.format(inPoint.getLongitude().getDouble());
232 * Generate a url for Geohack
233 * @param inPoint current point, not null
236 private static String generateGeohackUrl(DataPoint inPoint)
238 return "https://tools.wmflabs.org/geohack/geohack.php?params=" + FIVE_DP.format(inPoint.getLatitude().getDouble())
239 + "_N_" + FIVE_DP.format(inPoint.getLongitude().getDouble()) + "_E";
240 // TODO: Could use absolute values and S, W but this seems to work
244 * Generate a url for Panoramio.com
245 * @param inPoint current point, not null
248 private static String generatePanoramioUrl(DataPoint inPoint)
250 return "http://panoramio.com/map/#lt=" + FIVE_DP.format(inPoint.getLatitude().getDouble())
251 + "&ln=" + FIVE_DP.format(inPoint.getLongitude().getDouble()) + "&z=1&k=0";
256 * Get the median value from the given lat/long range
257 * @param inRange range of values
258 * @return median value
260 private static double getMedianValue(DoubleRange inRange)
262 return (inRange.getMaximum() + inRange.getMinimum()) / 2.0;
266 * Get the span of the given lat/long range
267 * @param inRange range of values
270 private static double getSpan(DoubleRange inRange)
272 return inRange.getMaximum() - inRange.getMinimum();