X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=gps%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fgpx%2FGpxParser.java;fp=gps%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fgpx%2FGpxParser.java;h=fe675ce670abd5092259baceba2ab79b2f26a86c;hb=4a27bb58a18d180cfd21ba0d59c35d775dec064c;hp=0000000000000000000000000000000000000000;hpb=c2ca8438bcaa20bfe3e90bb379343c019c33f339;p=utils

diff --git a/gps/src/main/java/org/wamblee/gpx/GpxParser.java b/gps/src/main/java/org/wamblee/gpx/GpxParser.java
new file mode 100644
index 00000000..fe675ce6
--- /dev/null
+++ b/gps/src/main/java/org/wamblee/gpx/GpxParser.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2006 the original author or authors.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */ 
+
+package org.wamblee.gpx;
+
+import java.io.InputStream;
+import java.util.Iterator;
+
+import org.dom4j.Document;
+import org.dom4j.Element;
+import org.wamblee.gps.track.Track;
+import org.wamblee.gps.track.TrackPoint;
+import org.wamblee.xml.DomUtils;
+import org.wamblee.xml.XMLException;
+
+/**
+ * Parser for GPX tracks.  
+ */
+public class GpxParser {
+    
+    private static final String SCHEMA_RESOURCE = "gpx.xsd";
+    
+    public GpxParser() { 
+        // Empty.
+    }
+    
+    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(); 
+        Element root = doc.getRootElement().element("trk").element("trkseg");
+        for ( Iterator i =root.elementIterator("trkpt"); i.hasNext(); ) {
+            Element trkpt = (Element)i.next();
+            track.addPoint(parseTrackPoint(trkpt));
+        }
+        return track;
+    }
+
+    /**
+     * @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);
+    }
+
+}