Version 18, July 2015

[GpsPrune.git] / tim / prune / load / xml / KmlHandler.java

diff --git a/tim/prune/load/xml/KmlHandler.java b/tim/prune/load/xml/KmlHandler.java
index 47fc7213adb1d447a57e639edbb9e2aaa7c530f9..e8f2c6a463fab9d2d8eda416dacaa8e88fef175c 100644 (file)
--- a/tim/prune/load/xml/KmlHandler.java
+++ b/tim/prune/load/xml/KmlHandler.java
@@ -13,10 +13,12 @@ import tim.prune.data.Field;
 public class KmlHandler extends XmlHandler
 {
        private boolean _insideCoordinates = false;
+       private boolean _insideGxTrack = false;
        private String _value = null;
        private String _name = null, _desc = null;
-       private String _imgLink = null;
+       private String _timestamp = null, _imgLink = null;
        private StringBuffer _coordinates = null;
+       private ArrayList<String> _coordinateList = null;
        private ArrayList<String[]> _pointList = new ArrayList<String[]>();
        private ArrayList<String> _linkList = new ArrayList<String>();
        // variables for gx extensions
@@ -33,7 +35,21 @@ public class KmlHandler extends XmlHandler
        {
                String tagName = localName;
                if (tagName == null || tagName.equals("")) {tagName = qName;}
-               if (tagName.equalsIgnoreCase("coordinates")) {_insideCoordinates = true; _coordinates = null;}
+               tagName = tagName.toLowerCase();
+
+               if (tagName.equals("placemark"))
+               {
+                       _coordinateList = new ArrayList<String>();
+               }
+               else if (tagName.equals("coordinates"))
+               {
+                       _insideCoordinates = true;
+                       _coordinates = null;
+               }
+               else if (tagName.equals("gx:track"))
+               {
+                       _insideGxTrack = true;
+               }
                _value = null;
                super.startElement(uri, localName, qName, attributes);
        }
@@ -48,25 +64,44 @@ public class KmlHandler extends XmlHandler
        {
                String tagName = localName;
                if (tagName == null || tagName.equals("")) {tagName = qName;}
-               if (tagName.equalsIgnoreCase("Placemark"))
+               tagName = tagName.toLowerCase();
+
+               if (tagName.equals("placemark"))
                {
                        processPlacemark();
-                       _name = _desc = _imgLink = null;
+                       _name = _desc = _imgLink = _timestamp = null;
                }
-               else if (tagName.equalsIgnoreCase("coordinates")) _insideCoordinates = false;
-               else if (tagName.equalsIgnoreCase("name")) _name = _value;
-               else if (tagName.equalsIgnoreCase("description")) {
+               else if (tagName.equals("coordinates"))
+               {
+                       _insideCoordinates = false;
+                       if (_coordinates != null) _coordinateList.add(_coordinates.toString().trim());
+               }
+               else if (tagName.equals("name"))
+               {
+                       _name = _value;
+               }
+               else if (tagName.equals("description"))
+               {
                        _desc = _value;
                        _imgLink = getImgLink(_desc);
                }
-               else if (tagName.equalsIgnoreCase("when")) {
-                       _whenList.add(_value);
+               else if (tagName.equals("when"))
+               {
+                       if (!_insideGxTrack)
+                               _timestamp = _value;
+                       else
+                               _whenList.add(_value);
                }
-               else if (tagName.equalsIgnoreCase("gx:coord")) {
-                       _whereList.add(_value);
+               else if (tagName.equals("gx:coord"))
+               {
+                       if (_insideGxTrack) {
+                               _whereList.add(_value);
+                       }
                }
-               else if (tagName.equalsIgnoreCase("gx:Track")) {
+               else if (tagName.equals("gx:track"))
+               {
                        processGxTrack();
+                       _insideGxTrack = false;
                }
                super.endElement(uri, localName, qName);
        }
@@ -102,30 +137,35 @@ public class KmlHandler extends XmlHandler
         */
        private void processPlacemark()
        {
-               if (_coordinates == null) return;
-               String allCoords = _coordinates.toString().trim();
-               String[] coordArray = allCoords.split("[ \n]");
-               int numPoints = coordArray.length;
-               if (numPoints == 1)
-               {
-                       // Add single waypoint to list
-                       _pointList.add(makeStringArray(allCoords, _name, _desc));
-                       _linkList.add(_imgLink);
-               }
-               else if (numPoints > 1)
+               if (_coordinateList == null || _coordinateList.isEmpty()) return;
+               final boolean isSingleSelection = (_coordinateList.size() == 1);
+               // Loop over coordinate sets in list (may have multiple <coordinates> tags within single placemark)
+               for (String coords : _coordinateList)
                {
-                       // Add each of the unnamed track points to list
-                       boolean firstPoint = true;
-                       for (int p=0; p<numPoints; p++)
+                       String[] coordArray = coords.split("[ \n]");
+                       int numPoints = coordArray.length;
+                       if (numPoints == 1)
+                       {
+                               // Add single point to list
+                               final String name = (isSingleSelection ? _name : null);
+                               _pointList.add(makeStringArray(coords, name, _desc, _timestamp));
+                               _linkList.add(_imgLink);
+                       }
+                       else if (numPoints > 1)
                        {
-                               if (coordArray[p] != null && coordArray[p].trim().length()>3)
+                               // Add each of the unnamed track points to list
+                               boolean firstPoint = true;
+                               for (int p=0; p<numPoints; p++)
                                {
-                                       String[] pointArray = makeStringArray(coordArray[p], null, null);
-                                       if (firstPoint) {pointArray[5] = "1";} // start of segment flag
-                                       firstPoint = false;
-                                       _pointList.add(pointArray);
+                                       if (coordArray[p] != null && coordArray[p].trim().length()>3)
+                                       {
+                                               String[] pointArray = makeStringArray(coordArray[p], null, null, null);
+                                               if (firstPoint) {pointArray[5] = "1";} // start of segment flag
+                                               firstPoint = false;
+                                               _pointList.add(pointArray);
+                                       }
+                                       _linkList.add(null);
                                }
-                               _linkList.add(null);
                        }
                }
        }
@@ -135,14 +175,17 @@ public class KmlHandler extends XmlHandler
         */
        private void processGxTrack()
        {
-               if (_whenList.size() > 0 && _whenList.size() == _whereList.size())
+               if (!_whereList.isEmpty())
                {
+                       // If the whens don't match, then throw them all away
+                       if (_whenList.size() != _whereList.size()) {System.out.println("clearing!"); _whenList.clear();}
+
                        // Add each of the unnamed track points to list
                        boolean firstPoint = true;
                        final int numPoints = _whenList.size();
                        for (int p=0; p < numPoints; p++)
                        {
-                               String when  = _whenList.get(p);
+                               String when  = (_whenList.isEmpty() ? null : _whenList.get(p));
                                String where = _whereList.get(p);
                                if (where != null)
                                {
@@ -195,10 +238,11 @@ public class KmlHandler extends XmlHandler
         * @param inCoordinates coordinate string in Kml format
         * @param inName name of waypoint, or null if track point
         * @param inDesc description of waypoint, if any
+        * @param inDesc timestamp of waypoint, if any
         * @return String array for point
         */
        private static String[] makeStringArray(String inCoordinates,
-               String inName, String inDesc)
+               String inName, String inDesc, String inTimestamp)
        {
                String[] result = new String[7];
                String[] values = inCoordinates.split(",");
@@ -208,6 +252,7 @@ public class KmlHandler extends XmlHandler
                }
                result[3] = inName;
                result[4] = inDesc;
+               result[6] = inTimestamp;
                return result;
        }