X-Git-Url: http://gitweb.fperrin.net/?a=blobdiff_plain;f=tim%2Fprune%2Fload%2Fxml%2FKmlHandler.java;fp=tim%2Fprune%2Fload%2Fxml%2FKmlHandler.java;h=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hp=e8f2c6a463fab9d2d8eda416dacaa8e88fef175c;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465;p=GpsPrune.git

diff --git a/tim/prune/load/xml/KmlHandler.java b/tim/prune/load/xml/KmlHandler.java
deleted file mode 100644
index e8f2c6a..0000000
--- a/tim/prune/load/xml/KmlHandler.java
+++ /dev/null
@@ -1,302 +0,0 @@
-package tim.prune.load.xml;
-
-import java.util.ArrayList;
-import org.xml.sax.Attributes;
-import org.xml.sax.SAXException;
-
-import tim.prune.data.Field;
-
-
-/**
- * Class for handling specifics of parsing Kml files
- */
-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 _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
-	private ArrayList<String> _whenList = new ArrayList<String>();
-	private ArrayList<String> _whereList = new ArrayList<String>();
-
-
-	/**
-	 * Receive the start of a tag
-	 * @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
-	{
-		String tagName = localName;
-		if (tagName == null || tagName.equals("")) {tagName = qName;}
-		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);
-	}
-
-
-	/**
-	 * Process end tag
-	 * @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
-	{
-		String tagName = localName;
-		if (tagName == null || tagName.equals("")) {tagName = qName;}
-		tagName = tagName.toLowerCase();
-
-		if (tagName.equals("placemark"))
-		{
-			processPlacemark();
-			_name = _desc = _imgLink = _timestamp = null;
-		}
-		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.equals("when"))
-		{
-			if (!_insideGxTrack)
-				_timestamp = _value;
-			else
-				_whenList.add(_value);
-		}
-		else if (tagName.equals("gx:coord"))
-		{
-			if (_insideGxTrack) {
-				_whereList.add(_value);
-			}
-		}
-		else if (tagName.equals("gx:track"))
-		{
-			processGxTrack();
-			_insideGxTrack = false;
-		}
-		super.endElement(uri, localName, qName);
-	}
-
-
-	/**
-	 * Process character text (inside tags or between them)
-	 * @see org.xml.sax.ContentHandler#characters(char[], int, int)
-	 */
-	public void characters(char[] ch, int start, int length)
-			throws SAXException
-	{
-		String val = new String(ch, start, length);
-		if (_insideCoordinates)
-		{
-			if (_coordinates == null) {
-				_coordinates = new StringBuffer();
-			}
-			_coordinates.append(val);
-		}
-		else
-		{
-			// Store string in _value
-			if (_value == null) _value = val;
-			else _value = _value + val;
-		}
-		super.characters(ch, start, length);
-	}
-
-
-	/**
-	 * Process a placemark entry, either a single waypoint or a whole track
-	 */
-	private void processPlacemark()
-	{
-		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)
-		{
-			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)
-			{
-				// Add each of the unnamed track points to list
-				boolean firstPoint = true;
-				for (int p=0; p<numPoints; p++)
-				{
-					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);
-				}
-			}
-		}
-	}
-
-	/**
-	 * Process a Gx track including timestamps
-	 */
-	private void processGxTrack()
-	{
-		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.isEmpty() ? null : _whenList.get(p));
-				String where = _whereList.get(p);
-				if (where != null)
-				{
-					String[] coords = where.split(" ");
-					if (coords.length == 3)
-					{
-						String[] pointArray = new String[7];
-						pointArray[0] = coords[0];
-						pointArray[1] = coords[1];
-						pointArray[2] = coords[2];
-						// leave name and description empty
-						if (firstPoint) {pointArray[5] = "1";} // start of segment flag
-						firstPoint = false;
-						pointArray[6] = when; // timestamp
-						_pointList.add(pointArray);
-					}
-				}
-				_linkList.add(null);
-			}
-		}
-		_whenList.clear();
-		_whereList.clear();
-	}
-
-	/**
-	 * Extract an image link from the point description
-	 * @param inDesc description tag contents
-	 * @return image link if found or null
-	 */
-	private static String getImgLink(String inDesc)
-	{
-		if (inDesc == null || inDesc.equals("")) {return null;}
-		// Pull out <img tag from description (if any)
-		int spos = inDesc.indexOf("<img");
-		int epos = inDesc.indexOf('>', spos + 10);
-		if (spos < 0 || epos < 0) return null;
-		String imgtag = inDesc.substring(spos + 4, epos);
-		// Find the src attribute from img tag
-		int quotepos = imgtag.toLowerCase().indexOf("src=");
-		if (quotepos < 0) return null;
-		// source may be quoted with single or double quotes
-		char quotechar = imgtag.charAt(quotepos + 4);
-		int equotepos = imgtag.indexOf(quotechar, quotepos + 7);
-		if (equotepos < 0) return null;
-		return imgtag.substring(quotepos + 5, equotepos);
-	}
-
-	/**
-	 * Construct the String array for the given coordinates and name
-	 * @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 inTimestamp)
-	{
-		String[] result = new String[7];
-		String[] values = inCoordinates.split(",");
-		final int numValues = values.length;
-		if (numValues == 3 || numValues == 2) {
-			System.arraycopy(values, 0, result, 0, numValues);
-		}
-		result[3] = inName;
-		result[4] = inDesc;
-		result[6] = inTimestamp;
-		return result;
-	}
-
-
-	/**
-	 * @see tim.prune.load.xml.XmlHandler#getFieldArray()
-	 */
-	public Field[] getFieldArray()
-	{
-		final Field[] fields = {Field.LONGITUDE, Field.LATITUDE, Field.ALTITUDE,
-			Field.WAYPT_NAME, Field.DESCRIPTION, Field.NEW_SEGMENT, Field.TIMESTAMP};
-		return fields;
-	}
-
-
-	/**
-	 * Return the parsed information as a 2d array
-	 * @see tim.prune.load.xml.XmlHandler#getDataArray()
-	 */
-	public String[][] getDataArray()
-	{
-		int numPoints = _pointList.size();
-		// construct data array
-		String[][] result = new String[numPoints][];
-		for (int i=0; i<numPoints; 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;
-	}
-}