]> gitweb.fperrin.net Git - GpsPrune.git/blobdiff - src/tim/prune/function/gpsies/GetGpsiesFunction.java
Moved source into separate src directory due to popular request
[GpsPrune.git] / src / tim / prune / function / gpsies / GetGpsiesFunction.java
diff --git a/src/tim/prune/function/gpsies/GetGpsiesFunction.java b/src/tim/prune/function/gpsies/GetGpsiesFunction.java
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+package tim.prune.function.gpsies;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.ArrayList;
+
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+
+import tim.prune.App;
+import tim.prune.GpsPrune;
+import tim.prune.I18nManager;
+import tim.prune.function.search.GenericDownloaderFunction;
+import tim.prune.function.search.SearchResult;
+import tim.prune.load.xml.XmlFileLoader;
+import tim.prune.load.xml.ZipFileLoader;
+
+/**
+ * Function to load track information from Gpsies.com
+ * according to the currently viewed area
+ */
+public class GetGpsiesFunction extends GenericDownloaderFunction
+{
+       /** Number of results per page */
+       private static final int RESULTS_PER_PAGE = 20;
+       /** Maximum number of results to get */
+       private static final int MAX_RESULTS = 60;
+       /** New API key (specific to this program) */
+       private static final String GPSIES_API_KEY = "oumgvvbckiwpvsnb";
+
+
+       /**
+        * Constructor
+        * @param inApp App object
+        */
+       public GetGpsiesFunction(App inApp) {
+               super(inApp);
+       }
+
+       /**
+        * @return name key
+        */
+       public String getNameKey() {
+               return "function.getgpsies";
+       }
+
+       /**
+        * @param inColNum index of column, 0 or 1
+        * @return key for this column
+        */
+       protected String getColumnKey(int inColNum)
+       {
+               if (inColNum == 0) return "dialog.gpsies.column.name";
+               return "dialog.gpsies.column.length";
+       }
+
+
+       /**
+        * Run method to call gpsies.com in separate thread
+        */
+       public void run()
+       {
+               _statusLabel.setText(I18nManager.getText("confirm.running"));
+               // Act on callback to update list and send another request if necessary
+               double[] coords = _app.getViewport().getBounds();
+               int currPage = 1;
+
+               ArrayList<SearchResult> trackList = null;
+               URL url = null;
+               String descMessage = "";
+               InputStream inStream = null;
+               // Loop for each page of the results
+               do
+               {
+                       // Example http://ws.gpsies.com/api.do?BBOX=10,51,12,53&limit=20&resultPage=1&key=oumgvvbckiwpvsnb
+                       String urlString = "http://ws.gpsies.com/api.do?BBOX=" +
+                               coords[1] + "," + coords[0] + "," + coords[3] + "," + coords[2] +
+                               "&limit=" + RESULTS_PER_PAGE + "&resultPage=" + currPage +
+                               "&key=" + GPSIES_API_KEY;
+                       // Parse the returned XML with a special handler
+                       GpsiesXmlHandler xmlHandler = new GpsiesXmlHandler();
+                       try
+                       {
+                               url = new URL(urlString);
+                               SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser();
+                               URLConnection conn = url.openConnection();
+                               conn.setRequestProperty("User-Agent", "GpsPrune v" + GpsPrune.VERSION_NUMBER);
+                               inStream = conn.getInputStream();
+                               saxParser.parse(inStream, xmlHandler);
+                       }
+                       catch (Exception e) {
+                               descMessage = e.getClass().getName() + " - " + e.getMessage();
+                       }
+                       // Close stream and ignore errors
+                       try {
+                               inStream.close();
+                       } catch (Exception e) {}
+                       // Add track list to model
+                       trackList = xmlHandler.getTrackList();
+                       _trackListModel.addTracks(trackList);
+
+                       // Compare number of results with results per page and call again if necessary
+                       currPage++;
+               }
+               while (trackList != null && trackList.size() == RESULTS_PER_PAGE
+                       && _trackListModel.getRowCount() < MAX_RESULTS && !_cancelled);
+               // 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");
+               }
+               _statusLabel.setText(descMessage);
+       }
+
+       /**
+        * Load the selected track(s)
+        */
+       protected void loadSelected()
+       {
+               // Find the row(s) selected in the table and get the corresponding track
+               int numSelected = _trackTable.getSelectedRowCount();
+               if (numSelected < 1) return;
+               int[] rowNums = _trackTable.getSelectedRows();
+               for (int i=0; i<numSelected; i++)
+               {
+                       int rowNum = rowNums[i];
+                       if (rowNum >= 0 && rowNum < _trackListModel.getRowCount())
+                       {
+                               String url = _trackListModel.getTrack(rowNum).getDownloadLink();
+                               XmlFileLoader xmlLoader = new XmlFileLoader(_app);
+                               ZipFileLoader loader = new ZipFileLoader(_app, xmlLoader);
+                               if (i>0) _app.autoAppendNextFile();
+                               try
+                               {
+                                       loader.openStream(new URL(url).openStream());
+                               }
+                               catch (IOException ioe) {
+                                       System.err.println("IO Exception : " + ioe.getMessage());
+                               }
+                       }
+               }
+               // Close the dialog
+               _cancelled = true;
+               _dialog.dispose();
+       }
+}