From fa34d476d1ea565c12595b920b561e512801ff4a Mon Sep 17 00:00:00 2001
From: erik <erik@77661180-640e-0410-b3a8-9f9b13e6d0e0>
Date: Sun, 20 Sep 2009 15:30:55 +0000
Subject: [PATCH] now supporting all gpx files with both tracks and routes.
 Still Track is jsut a list of points.

---
 .../main/java/org/wamblee/gpx/GpxParser.java  | 97 +++++++++++--------
 .../java/org/wamblee/gpx/TrackStatistics.java |  3 +-
 .../java/org/wamblee/gpx/GpxParserTest.java   |  6 ++
 3 files changed, 66 insertions(+), 40 deletions(-)

diff --git a/gps/src/main/java/org/wamblee/gpx/GpxParser.java b/gps/src/main/java/org/wamblee/gpx/GpxParser.java
index 04379414..9f544a9a 100644
--- a/gps/src/main/java/org/wamblee/gpx/GpxParser.java
+++ b/gps/src/main/java/org/wamblee/gpx/GpxParser.java
@@ -34,49 +34,68 @@ import org.wamblee.xml.XMLException;
  */
 public class GpxParser {
 
-	private static final String SCHEMA_RESOURCE = "gpx.xsd";
+    private static final String SCHEMA_RESOURCE = "gpx.xsd";
 
-	public GpxParser() {
-		// Empty.
-	}
+    public GpxParser() {
+        // Empty.
+    }
 
-	public Track parse(InputStream aIs) throws XMLException {
-		Document doc = DomUtils.convert(DomUtils.read(aIs));
-		return parse(doc);
-	}
+    public Track parse(InputStream aIs) throws XMLException {
+        Document doc = DomUtils.convert(DomUtils.read(aIs));
+        return parse(doc);
+    }
 
-	/**
-	 * @param doc
-	 */
-	public Track parse(Document doc) {
-		Track track = new Track();
-		List<Element> segments = doc.getRootElement().element("trk").elements(
-				"trkseg");
+    /**
+     * @param doc
+     */
+    public Track parse(Document doc) {
+        Track result = new Track();
+        List<Element> tracks = doc.getRootElement().elements("trk");
+        if ( tracks != null ) { 
+            for (Element track: tracks) { 
+                List<Element> segments = track.elements("trkseg");
+                if ( segments != null ) { 
+                    for (Element segment: segments) { 
+                        parseTrackPoints(result, segment.elementIterator("trkpt"));
+                    }
+                }
+            }
+        }
 
-		for (Element segment : segments) {
-			for (Iterator i = segment.elementIterator("trkpt"); i.hasNext();) {
-				Element trkpt = (Element) i.next();
-				track.addPoint(parseTrackPoint(trkpt));
-			}
-		}
-		return track;
-	}
+        List<Element> routes = doc.getRootElement().elements("rte");
+        if ( routes != null ) { 
+            for (Element route: routes) { 
+                parseTrackPoints(result, route.elementIterator("rtept"));
+            }
+        }
+        
+        return result;
+    }
+    
+    
+    private void parseTrackPoints(Track aTrack, Iterator<Element> aPoints) { 
+        while (aPoints.hasNext()) { 
+            Element point = aPoints.next();
+            aTrack.addPoint(parseTrackPoint(point));
+        }
+    }
+    
 
-	/**
-	 * @param trkpt
-	 */
-	private TrackPoint parseTrackPoint(Element trkpt) {
-		// System.out.println(trkpt.asXML() + "|\n");
-		double latitude = new Double(trkpt.attributeValue("lat"));
-		double longitude = new Double(trkpt.attributeValue("lon"));
-		Element ele = trkpt.element("ele");
-		double elevation = 0.0;
-		if (ele != null) {
-			elevation = new Double(ele.getText());
-		}
-		// System.out.println(" lat = " + lat + " lon = " + lon + " ele = " +
-		// ele);
-		return new TrackPoint(latitude, longitude, elevation);
-	}
+    /**
+     * @param trkpt
+     */
+    private TrackPoint parseTrackPoint(Element trkpt) {
+        // System.out.println(trkpt.asXML() + "|\n");
+        double latitude = new Double(trkpt.attributeValue("lat"));
+        double longitude = new Double(trkpt.attributeValue("lon"));
+        Element ele = trkpt.element("ele");
+        double elevation = 0.0;
+        if (ele != null) {
+            elevation = new Double(ele.getText());
+        }
+        // System.out.println(" lat = " + lat + " lon = " + lon + " ele = " +
+        // ele);
+        return new TrackPoint(latitude, longitude, elevation);
+    }
 
 }
diff --git a/gps/src/main/java/org/wamblee/gpx/TrackStatistics.java b/gps/src/main/java/org/wamblee/gpx/TrackStatistics.java
index ce43a79d..42c2039e 100644
--- a/gps/src/main/java/org/wamblee/gpx/TrackStatistics.java
+++ b/gps/src/main/java/org/wamblee/gpx/TrackStatistics.java
@@ -3,6 +3,7 @@ package org.wamblee.gpx;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -17,7 +18,7 @@ import org.wamblee.gps.geometry.Point;
 import org.wamblee.gps.geometry.ReferenceCoordinateSystem;
 import org.wamblee.gps.track.Track;
 
-public class TrackStatistics {
+public class TrackStatistics implements Serializable {
     
     private Track _track; 
     
diff --git a/gps/src/test/java/org/wamblee/gpx/GpxParserTest.java b/gps/src/test/java/org/wamblee/gpx/GpxParserTest.java
index 132b37bd..1439e85b 100644
--- a/gps/src/test/java/org/wamblee/gpx/GpxParserTest.java
+++ b/gps/src/test/java/org/wamblee/gpx/GpxParserTest.java
@@ -18,4 +18,10 @@ public class GpxParserTest extends TestCase {
 		Track track = parser.parse(new ClassPathResource("nojoy.gpx").getInputStream());
 		assertEquals(468, track.size());
 	}
+	
+	public void testParseRoute() throws Exception { 
+	    GpxParser parser = new GpxParser();
+        Track track = parser.parse(new ClassPathResource("mh2d.route.gpx").getInputStream());
+        assertEquals(250, track.size());
+	}
 }
-- 
2.31.1