Initial commit.

1 files changed, 114 insertions, 0 deletions

diff --git a/src/net/cbaines/suma/DataHandler.java b/src/net/cbaines/suma/DataHandler.java
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+++ b/src/net/cbaines/suma/DataHandler.java
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+/*
+ * Southampton University Map App
+ * Copyright (C) 2011  Christopher Baines
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+package net.cbaines.suma;
+
+import org.osmdroid.ResourceProxy;
+import org.osmdroid.views.overlay.PathOverlay;
+import org.xml.sax.Attributes;
+import org.xml.sax.SAXException;
+import org.xml.sax.helpers.DefaultHandler;
+
+import android.util.Log;
+
+public class DataHandler extends DefaultHandler {
+
+    // this holds the data
+    private PathOverlay _data;
+
+    private int colour;
+    private ResourceProxy resProxy;
+
+    public DataHandler(int colour, ResourceProxy resProxy) {
+	this.colour = colour;
+	this.resProxy = resProxy;
+    }
+
+    /**
+     * Returns the data object
+     * 
+     * @return
+     */
+    public PathOverlay getData() {
+	return _data;
+    }
+
+    /**
+     * This gets called when the xml document is first opened
+     * 
+     * @throws SAXException
+     */
+    @Override
+    public void startDocument() throws SAXException {
+	_data = new PathOverlay(colour, resProxy);
+    }
+
+    /**
+     * Called when it's finished handling the document
+     * 
+     * @throws SAXException
+     */
+    @Override
+    public void endDocument() throws SAXException {
+
+    }
+
+    /**
+     * This gets called at the start of an element. Here we're also setting the booleans to true if it's at that specific tag. (so we know where we are)
+     * 
+     * @param namespaceURI
+     * @param localName
+     * @param qName
+     * @param atts
+     * @throws SAXException
+     */
+    @Override
+    public void startElement(String namespaceURI, String localName, String qName, Attributes atts) throws SAXException {
+	if (localName.equals("trkpt")) {
+	    Log.v("DataHandler", "Adding point to route overlay " + atts.getValue("lat") + " " + atts.getValue("lon"));
+	    _data.addPoint(Util.csLatLongToGeoPoint(atts.getValue("lat"), atts.getValue("lon")));
+	}
+    }
+
+    /**
+     * Called at the end of the element. Setting the booleans to false, so we know that we've just left that tag.
+     * 
+     * @param namespaceURI
+     * @param localName
+     * @param qName
+     * @throws SAXException
+     */
+    @Override
+    public void endElement(String namespaceURI, String localName, String qName) throws SAXException {
+
+    }
+
+    /**
+     * Calling when we're within an element. Here we're checking to see if there is any content in the tags that we're interested in and populating it in the
+     * Config object.
+     * 
+     * @param ch
+     * @param start
+     * @param length
+     */
+    @Override
+    public void characters(char ch[], int start, int length) {
+
+    }
+}