X-Git-Url: http://gitweb.fperrin.net/?a=blobdiff_plain;f=tim%2Fprune%2Ffunction%2Fgpsies%2FGpsiesXmlHandler.java;fp=tim%2Fprune%2Ffunction%2Fgpsies%2FGpsiesXmlHandler.java;h=e63916029450a4ae0f5c3159cc65e26405e127a5;hb=112bb0c9b46894adca9a33ed8c99ea712b253185;hp=0000000000000000000000000000000000000000;hpb=54b9d8bc8f0025ccf97a67d9dd217ef1f9cf082f;p=GpsPrune.git

diff --git a/tim/prune/function/gpsies/GpsiesXmlHandler.java b/tim/prune/function/gpsies/GpsiesXmlHandler.java
new file mode 100644
index 0000000..e639160
--- /dev/null
+++ b/tim/prune/function/gpsies/GpsiesXmlHandler.java
@@ -0,0 +1,104 @@
+package tim.prune.function.gpsies;
+
+import java.util.ArrayList;
+
+import org.xml.sax.Attributes;
+import org.xml.sax.SAXException;
+import org.xml.sax.helpers.DefaultHandler;
+
+/**
+ * XML handler for dealing with XML returned from gpsies.com
+ */
+public class GpsiesXmlHandler extends DefaultHandler
+{
+	private boolean _inTracks = false;
+	private boolean _inTrack = false;
+	private boolean _inTrackName = false;
+	private boolean _inDescription = false;
+	private boolean _inFileId = false;
+	private boolean _inTrackLength = false;
+	private boolean _inLink = false;
+	private String _value = null;
+	private ArrayList<GpsiesTrack> _trackList = null;
+	private GpsiesTrack _track = null;
+
+
+	/**
+	 * React to the start of an XML tag
+	 */
+	public void startElement(String inUri, String inLocalName, String inTagName,
+		Attributes inAttributes) throws SAXException
+	{
+		if (inTagName.equals("tracks")) {
+			_inTracks = true;
+			_trackList = new ArrayList<GpsiesTrack>();
+		}
+		else if (_inTracks && inTagName.equals("track")) {
+			_inTrack = true;
+			_track = new GpsiesTrack();
+		}
+		else if (_inTrack && inTagName.equals("title")) {_inTrackName = true;}
+		else if (_inTrack && inTagName.equals("description")) {_inDescription = true;}
+		else if (_inTrack && inTagName.equals("fileId")) {_inFileId = true;}
+		else if (_inTrack && inTagName.equals("trackLengthM")) {_inTrackLength = true;}
+		else if (_inTrack && inTagName.equals("downloadLink")) {_inLink = true;}
+		super.startElement(inUri, inLocalName, inTagName, inAttributes);
+	}
+
+	/**
+	 * React to the end of an XML tag
+	 */
+	public void endElement(String inUri, String inLocalName, String inTagName)
+	throws SAXException
+	{
+		if (inTagName.equals("tracks")) {_inTracks = false;}
+		else if (_inTrack && inTagName.equals("track")) {
+			_trackList.add(_track);
+			_inTrack = false;
+		}
+		else if (_inTrackName && inTagName.equals("title")) {
+			_track.setTrackName(_value);
+			_inTrackName = false;
+		}
+		else if (_inDescription && inTagName.equals("description")) {
+			_track.setDescription(_value);
+			_inDescription = false;
+		}
+		else if (_inFileId && inTagName.equals("fileId")) {
+			_track.setFileId(_value);
+			_inFileId = false;
+		}
+		else if (_inTrackLength && inTagName.equals("trackLengthM")) {
+			try {
+				_track.setLength(Double.parseDouble(_value));
+			}
+			catch (NumberFormatException nfe) {}
+			_inTrackLength = false;
+		}
+		else if (_inLink && inTagName.equals("downloadLink")) {
+			_track.setDownloadLink(_value);
+			_inLink = false;
+		}
+		super.endElement(inUri, inLocalName, inTagName);
+	}
+
+	/**
+	 * React to characters received inside tags
+	 */
+	public void characters(char[] inCh, int inStart, int inLength)
+	throws SAXException
+	{
+		_value = new String(inCh, inStart, inLength);
+		// System.out.println("Value: '" + value + "'");
+		// TODO: Note, this doesn't cope well with split characters for really long descriptions etc
+		super.characters(inCh, inStart, inLength);
+	}
+
+	/**
+	 * @return the list of tracks
+	 */
+	public ArrayList<GpsiesTrack> getTrackList()
+	{
+		return _trackList;
+	}
+}