/*
* Copyright (C) 2012- Peer internet solutions & Finalist IT Group
*
* This file is part of mixare.
*
* 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 3 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, see <http://www.gnu.org/licenses/>
*/
package org.mixare.data.convert;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.json.JSONException;
import org.mixare.MixView;
import org.mixare.NavigationMarker;
import org.mixare.data.DataHandler;
import org.mixare.data.DataSource;
import org.mixare.lib.marker.Marker;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import android.util.Log;
public class OsmDataProcessor extends DataHandler implements DataProcessor {
public static final int MAX_JSON_OBJECTS = 1000;
@Override
public String[] getUrlMatch() {
String[] str = { "mapquestapi", "osm" };
return str;
}
@Override
public String[] getDataMatch() {
String[] str = { "mapquestapi", "osm" };
return str;
}
@Override
public boolean matchesRequiredType(String type) {
if(type.equals(DataSource.TYPE.OSM.name())){
return true;
}
return false;
}
@Override
public List<Marker> load(String rawData, int taskId, int colour)
throws JSONException {
Element root = convertToXmlDocument(rawData).getDocumentElement();
List<Marker> markers = new ArrayList<Marker>();
NodeList nodes = root.getElementsByTagName("node");
for (int i = 0; i < nodes.getLength(); i++) {
Node node = nodes.item(i);
NamedNodeMap att = node.getAttributes();
NodeList tags = node.getChildNodes();
for (int j = 0; j < tags.getLength(); j++) {
Node tag = tags.item(j);
if (tag.getNodeType() != Node.TEXT_NODE) {
String key = tag.getAttributes().getNamedItem("k")
.getNodeValue();
if (key.equals("name")) {
String name = tag.getAttributes().getNamedItem("v")
.getNodeValue();
String id = att.getNamedItem("id").getNodeValue();
double lat = Double.valueOf(att.getNamedItem("lat")
.getNodeValue());
double lon = Double.valueOf(att.getNamedItem("lon")
.getNodeValue());
Log.v(MixView.TAG, "OSM Node: " + name + " lat " + lat
+ " lon " + lon + "\n");
Marker ma = new NavigationMarker(
id,
name,
lat,
lon,
0,
"http://www.openstreetmap.org/?node="+ id,
taskId, colour);
markers.add(ma);
// skip to next node
continue;
}
}
}
}
return markers;
}
public Document convertToXmlDocument(String rawData) {
Document doc = null;
try {
DocumentBuilder builder = DocumentBuilderFactory.newInstance()
.newDocumentBuilder();
// Document doc = builder.parse(is);d
doc = builder.parse(new InputSource(new StringReader(rawData)));
} catch (Exception e) {
e.printStackTrace();
}
return doc;
}
}