--- /dev/null
+package tim.prune.function.browser;
+
+import java.text.DecimalFormat;
+import java.text.NumberFormat;
+import java.util.Locale;
+
+import tim.prune.I18nManager;
+import tim.prune.data.DataPoint;
+import tim.prune.data.DoubleRange;
+import tim.prune.data.TrackInfo;
+
+/**
+ * Class to manage the generation of map urls
+ * for display in an external browser
+ */
+public abstract class UrlGenerator
+{
+ /** Number formatter for five dp */
+ private static final NumberFormat FIVE_DP = NumberFormat.getNumberInstance(Locale.UK);
+ // Select the UK locale for this formatter so that decimal point is always used (not comma)
+ static {
+ if (FIVE_DP instanceof DecimalFormat) ((DecimalFormat) FIVE_DP).applyPattern("0.00000");
+ }
+
+ public enum WebService
+ {
+ MAP_SOURCE_GOOGLE, /* Google maps */
+ MAP_SOURCE_OSM, /* OpenStreetMap */
+ MAP_SOURCE_MAPQUEST, /* Mapquest */
+ MAP_SOURCE_YAHOO, /* Yahoo */
+ MAP_SOURCE_BING, /* Bing */
+ MAP_SOURCE_PEAKFINDER, /* PeakFinder */
+ MAP_SOURCE_GEOHACK, /* Geohack */
+ MAP_SOURCE_INLINESKATE, /* Inlinemap.net */
+ MAP_SOURCE_GRAPHHOPPER /* Routing with GraphHopper */
+ }
+
+ /**
+ * Generate a URL for the given source and track info
+ * @param inSource source to use, from the enum in UrlGenerator
+ * @param inTrackInfo track info
+ * @return url for map
+ */
+ public static String generateUrl(WebService inSource, TrackInfo inTrackInfo)
+ {
+ switch (inSource)
+ {
+ case MAP_SOURCE_GOOGLE:
+ return generateGoogleUrl(inTrackInfo);
+ case MAP_SOURCE_MAPQUEST:
+ return generateMapquestUrl(inTrackInfo);
+ case MAP_SOURCE_YAHOO:
+ return generateYahooUrl(inTrackInfo);
+ case MAP_SOURCE_BING:
+ return generateBingUrl(inTrackInfo);
+ case MAP_SOURCE_PEAKFINDER:
+ case MAP_SOURCE_GEOHACK:
+ case MAP_SOURCE_INLINESKATE:
+ return generateUrlForPoint(inSource, inTrackInfo);
+ case MAP_SOURCE_GRAPHHOPPER:
+ return generateGraphHopperUrl(inTrackInfo);
+ case MAP_SOURCE_OSM:
+ default:
+ return generateOpenStreetMapUrl(inTrackInfo);
+ }
+ }
+
+ /**
+ * Generate a url for Google maps
+ * @param inTrackInfo track information
+ * @return URL
+ */
+ private static String generateGoogleUrl(TrackInfo inTrackInfo)
+ {
+ // Check if any data to display
+ if (inTrackInfo == null || inTrackInfo.getTrack() == null || inTrackInfo.getTrack().getNumPoints() < 1)
+ {
+ return null;
+ }
+ double medianLat = getMedianValue(inTrackInfo.getTrack().getLatRange());
+ double medianLon = getMedianValue(inTrackInfo.getTrack().getLonRange());
+ double latSpan = getSpan(inTrackInfo.getTrack().getLatRange());
+ double lonSpan = getSpan(inTrackInfo.getTrack().getLonRange());
+ // Build basic url with centre position and span
+ String url = "http://" + I18nManager.getText("url.googlemaps")
+ + "/?ll=" + FIVE_DP.format(medianLat) + "," + FIVE_DP.format(medianLon)
+ + "&spn=" + FIVE_DP.format(latSpan) + "," + FIVE_DP.format(lonSpan);
+ DataPoint currPoint = inTrackInfo.getCurrentPoint();
+ // Add selected point, if any
+ if (currPoint != null) {
+ url = url + "&q=" + FIVE_DP.format(currPoint.getLatitude().getDouble()) + ","
+ + FIVE_DP.format(currPoint.getLongitude().getDouble());
+ if (currPoint.getWaypointName() != null) {
+ url = url + "(" + currPoint.getWaypointName() + ")";
+ }
+ }
+ return url;
+ }
+
+ /**
+ * Generate a url for Mapquest maps
+ * @param inTrackInfo track information
+ * @return URL
+ */
+ private static String generateMapquestUrl(TrackInfo inTrackInfo)
+ {
+ // Check if any data to display
+ if (inTrackInfo == null || inTrackInfo.getTrack() == null || inTrackInfo.getTrack().getNumPoints() < 1)
+ {
+ return null;
+ }
+ double medianLat = getMedianValue(inTrackInfo.getTrack().getLatRange());
+ double medianLon = getMedianValue(inTrackInfo.getTrack().getLonRange());
+ // Build basic url with centre position
+ String url = "http://atlas.mapquest.com/maps/map.adp?latlongtype=decimal&latitude="
+ + FIVE_DP.format(medianLat) + "&longitude=" + FIVE_DP.format(medianLon);
+ return url;
+ }
+
+
+ /**
+ * Generate a url for Yahoo maps
+ * @param inTrackInfo track information
+ * @return URL
+ */
+ private static String generateYahooUrl(TrackInfo inTrackInfo)
+ {
+ // Check if any data to display
+ if (inTrackInfo == null || inTrackInfo.getTrack() == null || inTrackInfo.getTrack().getNumPoints() < 1)
+ {
+ return null;
+ }
+ double medianLat = getMedianValue(inTrackInfo.getTrack().getLatRange());
+ double medianLon = getMedianValue(inTrackInfo.getTrack().getLonRange());
+ // Build basic url with centre position
+ String url = "http://maps.yahoo.com/#lat=" + FIVE_DP.format(medianLat)
+ + "&lon=" + FIVE_DP.format(medianLon) + "&zoom=13";
+ return url;
+ }
+
+ /**
+ * Generate a url for Bing maps
+ * @param inTrackInfo track information
+ * @return URL
+ */
+ private static String generateBingUrl(TrackInfo inTrackInfo)
+ {
+ // Check if any data to display
+ if (inTrackInfo == null || inTrackInfo.getTrack() == null || inTrackInfo.getTrack().getNumPoints() < 1)
+ {
+ return null;
+ }
+ double medianLat = getMedianValue(inTrackInfo.getTrack().getLatRange());
+ double medianLon = getMedianValue(inTrackInfo.getTrack().getLonRange());
+ // Build basic url with centre position
+ String latStr = FIVE_DP.format(medianLat);
+ String lonStr = FIVE_DP.format(medianLon);
+ String url = "http://bing.com/maps/default.aspx?cp=" + latStr + "~" + lonStr
+ + "&where1=" + latStr + "%2C%20" + lonStr;
+ return url;
+ }
+
+ /**
+ * Generate a url for routing with GraphHopper
+ * @param inTrackInfo track information
+ * @return URL
+ */
+ private static String generateGraphHopperUrl(TrackInfo inTrackInfo)
+ {
+ // Check if any data to display
+ if (inTrackInfo != null && inTrackInfo.getTrack() != null && inTrackInfo.getTrack().getNumPoints() >= 2)
+ {
+ if (inTrackInfo.getTrack().getNumPoints() == 2)
+ {
+ // Use first and last point of track
+ return generateGraphHopperUrl(inTrackInfo.getTrack().getPoint(0),
+ inTrackInfo.getTrack().getPoint(1));
+ }
+ else if (inTrackInfo.getSelection().hasRangeSelected())
+ {
+ // Use first and last point of selection
+ final int startIndex = inTrackInfo.getSelection().getStart();
+ final int endIndex = inTrackInfo.getSelection().getEnd();
+ return generateGraphHopperUrl(inTrackInfo.getTrack().getPoint(startIndex),
+ inTrackInfo.getTrack().getPoint(endIndex));
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Generate a url for routing with GraphHopper
+ * @param inStartPoint start point of routing
+ * @param inEndPoint end point of routing
+ * @return URL
+ */
+ private static String generateGraphHopperUrl(DataPoint inStartPoint, DataPoint inEndPoint)
+ {
+ final String url = "https://graphhopper.com/maps/"
+ + "?point=" + FIVE_DP.format(inStartPoint.getLatitude().getDouble())
+ + "%2C" + FIVE_DP.format(inStartPoint.getLongitude().getDouble())
+ + "&point=" + FIVE_DP.format(inEndPoint.getLatitude().getDouble())
+ + "%2C" + FIVE_DP.format(inEndPoint.getLongitude().getDouble())
+ + "&locale=" + I18nManager.getText("wikipedia.lang")
+ + "&elevation=true&weighting=fastest";
+ return url;
+ }
+
+ /**
+ * Generate a url for Open Street Map
+ * @param inTrackInfo track information
+ * @return URL
+ */
+ private static String generateOpenStreetMapUrl(TrackInfo inTrackInfo)
+ {
+ // Check if any data to display
+ if (inTrackInfo == null || inTrackInfo.getTrack() == null || inTrackInfo.getTrack().getNumPoints() < 1)
+ {
+ return null;
+ }
+ DoubleRange latRange = inTrackInfo.getTrack().getLatRange();
+ DoubleRange lonRange = inTrackInfo.getTrack().getLonRange();
+ // Build basic url using min and max lat and long
+ String url = "http://openstreetmap.org/?minlat=" + FIVE_DP.format(latRange.getMinimum())
+ + "&maxlat=" + FIVE_DP.format(latRange.getMaximum())
+ + "&minlon=" + FIVE_DP.format(lonRange.getMinimum()) + "&maxlon=" + FIVE_DP.format(lonRange.getMaximum());
+ DataPoint currPoint = inTrackInfo.getCurrentPoint();
+ // Add selected point, if any (no way to add point name?)
+ if (currPoint != null) {
+ url = url + "&mlat=" + FIVE_DP.format(currPoint.getLatitude().getDouble())
+ + "&mlon=" + FIVE_DP.format(currPoint.getLongitude().getDouble());
+ }
+ return url;
+ }
+
+ /**
+ * Generate a URL which only needs the current point
+ * This is just a helper method to simplify the calls to the service-specific methods
+ * @param inSource service to call
+ * @param inTrackInfo track info
+ * @return URL if available, or null
+ */
+ private static String generateUrlForPoint(WebService inService, TrackInfo inTrackInfo)
+ {
+ if (inTrackInfo == null || inTrackInfo.getTrack() == null || inTrackInfo.getTrack().getNumPoints() < 1)
+ {
+ return null;
+ }
+ // Need a current point
+ DataPoint currPoint = inTrackInfo.getCurrentPoint();
+ if (currPoint == null)
+ {
+ return null;
+ }
+ switch (inService)
+ {
+ case MAP_SOURCE_PEAKFINDER:
+ return generatePeakfinderUrl(currPoint);
+ case MAP_SOURCE_GEOHACK:
+ return generateGeohackUrl(currPoint);
+ case MAP_SOURCE_INLINESKATE:
+ return generateInlinemapUrl(currPoint);
+ default:
+ return null;
+ }
+ }
+
+
+ /**
+ * Generate a url for PeakFinder
+ * @param inPoint current point, not null
+ * @return URL
+ */
+ private static String generatePeakfinderUrl(DataPoint inPoint)
+ {
+ return "https://www.peakfinder.org/?lat=" + FIVE_DP.format(inPoint.getLatitude().getDouble())
+ + "&lng=" + FIVE_DP.format(inPoint.getLongitude().getDouble());
+ }
+
+ /**
+ * Generate a url for Geohack
+ * @param inPoint current point, not null
+ * @return URL
+ */
+ private static String generateGeohackUrl(DataPoint inPoint)
+ {
+ return "https://tools.wmflabs.org/geohack/geohack.php?params=" + FIVE_DP.format(inPoint.getLatitude().getDouble())
+ + "_N_" + FIVE_DP.format(inPoint.getLongitude().getDouble()) + "_E";
+ // Note: Could use absolute values and S, W but this seems to work
+ }
+
+ /**
+ * Generate a url for Inlinemap.net
+ * @param inPoint current point, not null
+ * @return URL
+ */
+ private static String generateInlinemapUrl(DataPoint inPoint)
+ {
+ return "http://www.inlinemap.net/en/?tab=new#/z14/" + FIVE_DP.format(inPoint.getLatitude().getDouble())
+ + "," + FIVE_DP.format(inPoint.getLongitude().getDouble()) + "/terrain";
+ }
+
+ /**
+ * Get the median value from the given lat/long range
+ * @param inRange range of values
+ * @return median value
+ */
+ private static double getMedianValue(DoubleRange inRange)
+ {
+ return (inRange.getMaximum() + inRange.getMinimum()) / 2.0;
+ }
+
+ /**
+ * Get the span of the given lat/long range
+ * @param inRange range of values
+ * @return span
+ */
+ private static double getSpan(DoubleRange inRange)
+ {
+ return inRange.getMaximum() - inRange.getMinimum();
+ }
+}
projects / GpsPrune.git / blobdiff