import org.xml.sax.SAXException;
import tim.prune.data.Field;
+import tim.prune.load.TrackNameList;
/**
*/
public class GpxHandler extends XmlHandler
{
- private boolean _insideName = false;
- private boolean _insideElevation = false;
- private boolean _insideTime = false;
- private String _name = null, _latitude = null, _longitude = null;
- private String _elevation = null;
- private String _time = null;
- private ArrayList _pointList = new ArrayList();
+ private boolean _insidePoint = false;
+ private boolean _insideWaypoint = false;
+ private boolean _startSegment = true;
+ private boolean _isTrackPoint = false;
+ private int _trackNum = -1;
+ private GpxTag _fileTitle = new GpxTag();
+ private GpxTag _pointName = new GpxTag(), _trackName = new GpxTag();
+ private String _latitude = null, _longitude = null;
+ private GpxTag _elevation = new GpxTag(), _time = new GpxTag();
+ private GpxTag _type = new GpxTag(), _description = new GpxTag();
+ private GpxTag _link = new GpxTag();
+ private GpxTag _currentTag = null;
+ private ArrayList<String[]> _pointList = new ArrayList<String[]>();
+ private ArrayList<String> _linkList = new ArrayList<String>();
+ private TrackNameList _trackNameList = new TrackNameList();
/**
* @see org.xml.sax.ContentHandler#startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes)
*/
public void startElement(String uri, String localName, String qName,
- Attributes attributes) throws SAXException
+ Attributes attributes) throws SAXException
{
// Read the parameters for waypoints and track points
- if (qName.equalsIgnoreCase("wpt") || qName.equalsIgnoreCase("trkpt"))
+ String tag = qName.toLowerCase();
+ if (tag.equals("wpt") || tag.equals("trkpt") || tag.equals("rtept"))
{
- int numAttributes = attributes.getLength();
+ _insidePoint = true;
+ _insideWaypoint = tag.equals("wpt");
+ _isTrackPoint = tag.equals("trkpt");
+ final int numAttributes = attributes.getLength();
for (int i=0; i<numAttributes; i++)
{
- String att = attributes.getQName(i);
+ String att = attributes.getQName(i).toLowerCase();
if (att.equals("lat")) {_latitude = attributes.getValue(i);}
else if (att.equals("lon")) {_longitude = attributes.getValue(i);}
}
- _elevation = null;
- _name = null;
- _time = null;
+ _elevation.setValue(null);
+ _pointName.setValue(null);
+ _time.setValue(null);
+ _type.setValue(null);
+ _link.setValue(null);
+ _description.setValue(null);
}
- else if (qName.equalsIgnoreCase("ele"))
- {
- _insideElevation = true;
+ else if (tag.equals("ele")) {
+ _currentTag = _elevation;
}
- else if (qName.equalsIgnoreCase("name"))
+ else if (tag.equals("name"))
{
- _insideName = true;
+ if (_insidePoint) {
+ _currentTag = _pointName;
+ }
+ else if (_trackNum < 0)
+ {
+ _currentTag = _fileTitle;
+ }
+ else {
+ _currentTag = _trackName;
+ }
+ }
+ else if (tag.equals("time")) {
+ _currentTag = _time;
+ }
+ else if (tag.equals("type")) {
+ _currentTag = _type;
+ }
+ else if (tag.equals("description") || tag.equals("desc")) {
+ _currentTag = _description;
+ }
+ else if (tag.equals("link")) {
+ _link.setValue(attributes.getValue("href"));
}
- else if (qName.equalsIgnoreCase("time"))
+ else if (tag.equals("trkseg")) {
+ _startSegment = true;
+ }
+ else if (tag.equals("trk"))
{
- _insideTime = true;
+ _trackNum++;
+ _trackName.setValue(null);
}
super.startElement(uri, localName, qName, attributes);
}
* @see org.xml.sax.ContentHandler#endElement(java.lang.String, java.lang.String, java.lang.String)
*/
public void endElement(String uri, String localName, String qName)
- throws SAXException
+ throws SAXException
{
- if (qName.equalsIgnoreCase("wpt") || qName.equalsIgnoreCase("trkpt"))
+ String tag = qName.toLowerCase();
+ if (tag.equals("wpt") || tag.equals("trkpt") || tag.equals("rtept"))
{
processPoint();
+ _insidePoint = false;
}
- else if (qName.equalsIgnoreCase("ele"))
- {
- _insideElevation = false;
- }
- else if (qName.equalsIgnoreCase("name"))
- {
- _insideName = false;
- }
- else if (qName.equalsIgnoreCase("time"))
- {
- _insideTime = false;
+ else {
+ _currentTag = null;
}
super.endElement(uri, localName, qName);
}
* @see org.xml.sax.ContentHandler#characters(char[], int, int)
*/
public void characters(char[] ch, int start, int length)
- throws SAXException
+ throws SAXException
{
String value = new String(ch, start, length);
- if (_insideName) {_name = checkCharacters(_name, value);}
- else if (_insideElevation) {_elevation = checkCharacters(_elevation, value);}
- else if (_insideTime) {_time = checkCharacters(_time, value);}
+ if (_currentTag != null) {
+ _currentTag.setValue(checkCharacters(_currentTag.getValue(), value));
+ }
super.characters(ch, start, length);
}
private void processPoint()
{
// Put the values into a String array matching the order in getFieldArray()
- String[] values = new String[5];
- values[0] = _latitude; values[1] = _longitude;
- values[2] = _elevation; values[3] = _name;
- values[4] = _time;
+ String[] values = new String[8];
+ values[0] = _latitude;
+ values[1] = _longitude;
+ values[2] = _elevation.getValue();
+ if (_insideWaypoint) {values[3] = _pointName.getValue();}
+ values[4] = _time.getValue();
+ if (_startSegment && !_insideWaypoint)
+ {
+ values[5] = "1";
+ _startSegment = false;
+ }
+ values[6] = _type.getValue();
+ values[7] = _description.getValue();
_pointList.add(values);
+ _trackNameList.addPoint(_trackNum, _trackName.getValue(), _isTrackPoint);
+ _linkList.add(_link.getValue());
}
public Field[] getFieldArray()
{
final Field[] fields = {Field.LATITUDE, Field.LONGITUDE, Field.ALTITUDE,
- Field.WAYPT_NAME, Field.TIMESTAMP};
+ Field.WAYPT_NAME, Field.TIMESTAMP, Field.NEW_SEGMENT,
+ Field.WAYPT_TYPE, Field.DESCRIPTION};
return fields;
}
String[][] result = new String[numPoints][];
for (int i=0; i<numPoints; i++)
{
- result[i] = (String[]) _pointList.get(i);
+ result[i] = _pointList.get(i);
}
return result;
}
+
+ /**
+ * @return array of links, or null if none
+ */
+ public String[] getLinkArray()
+ {
+ int numPoints = _linkList.size();
+ boolean hasLink = false;
+ String[] result = new String[numPoints];
+ for (int i=0; i<numPoints; i++)
+ {
+ result[i] = _linkList.get(i);
+ if (result[i] != null) {hasLink = true;}
+ }
+ if (!hasLink) {result = null;}
+ return result;
+ }
+
+ /**
+ * @return track name list
+ */
+ public TrackNameList getTrackNameList() {
+ return _trackNameList;
+ }
+
+ /**
+ * @return file title
+ */
+ public String getFileTitle() {
+ return _fileTitle.getValue();
+ }
}