Version 17, September 2014

[GpsPrune.git] / tim / prune / function / GetWikipediaFunction.java

diff --git a/tim/prune/function/GetWikipediaFunction.java b/tim/prune/function/GetWikipediaFunction.java
index acef09c6a15d3ba2a396df9b6733c781f97b856b..3ffdd06817d87fe984b6063c7e7a63aa3e1ab4d9 100644 (file)
--- a/tim/prune/function/GetWikipediaFunction.java
+++ b/tim/prune/function/GetWikipediaFunction.java
@@ -26,6 +26,8 @@ public class GetWikipediaFunction extends GenericDownloaderFunction
        private static final int MAX_RESULTS = 20;
        /** Maximum distance from point in km */
        private static final int MAX_DISTANCE = 15;
+       /** Username to use for geonames queries */
+       private static final String GEONAMES_USERNAME = "gpsprune";
 
 
        /**
@@ -69,20 +71,48 @@ public class GetWikipediaFunction extends GenericDownloaderFunction
                        lat = (coords[0] + coords[2]) / 2.0;
                        lon = (coords[1] + coords[3]) / 2.0;
                }
-               else {
+               else
+               {
                        lat = point.getLatitude().getDouble();
                        lon = point.getLongitude().getDouble();
                }
 
-               String descMessage = "";
-               InputStream inStream = null;
+               // Firstly try the local language
+               String lang = I18nManager.getText("wikipedia.lang");
+               submitSearch(lat, lon, lang);
+               // If we didn't get anything, try a secondary language
+               if (_trackListModel.isEmpty() && _errorMessage == null && lang.equals("als")) {
+                       submitSearch(lat, lon, "de");
+               }
+               // If still nothing then try english
+               if (_trackListModel.isEmpty() && _errorMessage == null && !lang.equals("en")) {
+                       submitSearch(lat, lon, "en");
+               }
 
-               // Example http://ws.geonames.org/findNearbyWikipedia?lat=47&lng=9
-               String urlString = "http://ws.geonames.org/findNearbyWikipedia?lat=" +
-                       lat + "&lng=" + lon + "&maxRows=" + MAX_RESULTS
-                       + "&radius=" + MAX_DISTANCE + "&lang=" + I18nManager.getText("wikipedia.lang");
+               // Set status label according to error or "none found", leave blank if ok
+               if (_errorMessage == null && _trackListModel.isEmpty()) {
+                       _errorMessage = I18nManager.getText("dialog.wikipedia.nonefound");
+               }
+               _statusLabel.setText(_errorMessage == null ? "" : _errorMessage);
+       }
+
+       /**
+        * Submit the search for the given parameters
+        * @param inLat latitude
+        * @param inLon longitude
+        * @param inLang language code to use, such as en or de
+        */
+       private void submitSearch(double inLat, double inLon, String inLang)
+       {
+               // Example http://api.geonames.org/findNearbyWikipedia?lat=47&lng=9
+               String urlString = "http://api.geonames.org/findNearbyWikipedia?lat=" +
+                       inLat + "&lng=" + inLon + "&maxRows=" + MAX_RESULTS
+                       + "&radius=" + MAX_DISTANCE + "&lang=" + inLang
+                       + "&username=" + GEONAMES_USERNAME;
                // Parse the returned XML with a special handler
                GetWikipediaXmlHandler xmlHandler = new GetWikipediaXmlHandler();
+               InputStream inStream = null;
+
                try
                {
                        URL url = new URL(urlString);
@@ -91,7 +121,7 @@ public class GetWikipediaFunction extends GenericDownloaderFunction
                        saxParser.parse(inStream, xmlHandler);
                }
                catch (Exception e) {
-                       descMessage = e.getClass().getName() + " - " + e.getMessage();
+                       _errorMessage = e.getClass().getName() + " - " + e.getMessage();
                }
                // Close stream and ignore errors
                try {
@@ -101,29 +131,40 @@ public class GetWikipediaFunction extends GenericDownloaderFunction
                ArrayList<GpsiesTrack> trackList = xmlHandler.getTrackList();
                _trackListModel.addTracks(trackList);
 
-               // Set status label according to error or "none found", leave blank if ok
-               if (descMessage.equals("") && (trackList == null || trackList.size() == 0)) {
-                       descMessage = I18nManager.getText("dialog.gpsies.nonefound");
+               // Show error message if any
+               if (_trackListModel.isEmpty())
+               {
+                       String error = xmlHandler.getErrorMessage();
+                       if (error != null && !error.equals(""))
+                       {
+                               _app.showErrorMessageNoLookup(getNameKey(), error);
+                               _errorMessage = error;
+                       }
                }
-               _statusLabel.setText(descMessage);
        }
 
        /**
-        * Load the selected track or point
+        * Load the selected point(s)
         */
        protected void loadSelected()
        {
-               // Find the row selected in the table and get the corresponding track
-               int rowNum = _trackTable.getSelectedRow();
-               if (rowNum >= 0 && rowNum < _trackListModel.getRowCount())
+               // Find the rows selected in the table and get the corresponding coords
+               int numSelected = _trackTable.getSelectedRowCount();
+               if (numSelected < 1) return;
+               int[] rowNums = _trackTable.getSelectedRows();
+               for (int i=0; i<numSelected; i++)
                {
-                       String coords = _trackListModel.getTrack(rowNum).getDownloadLink();
-                       String[] latlon = coords.split(",");
-                       if (latlon.length == 2)
+                       int rowNum = rowNums[i];
+                       if (rowNum >= 0 && rowNum < _trackListModel.getRowCount())
                        {
-                               DataPoint point = new DataPoint(new Latitude(latlon[0]), new Longitude(latlon[1]), null);
-                               point.setFieldValue(Field.WAYPT_NAME, _trackListModel.getTrack(rowNum).getTrackName(), false);
-                               _app.createPoint(point);
+                               String coords = _trackListModel.getTrack(rowNum).getDownloadLink();
+                               String[] latlon = coords.split(",");
+                               if (latlon.length == 2)
+                               {
+                                       DataPoint point = new DataPoint(new Latitude(latlon[0]), new Longitude(latlon[1]), null);
+                                       point.setFieldValue(Field.WAYPT_NAME, _trackListModel.getTrack(rowNum).getTrackName(), false);
+                                       _app.createPoint(point);
+                               }
                        }
                }
                // Close the dialog