traininfo/provider/XmlStationProvider.java

package dk.thoerup.traininfo.provider;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import android.location.Location;
import android.util.Log;
import dk.thoerup.traininfo.StationBean;
import dk.thoerup.traininfo.util.DownloadUtil;

public class XmlStationProvider implements StationProvider {

        List<StationBean> stations = new ArrayList<StationBean>();      
        
        
        @Override
        public List<StationBean> getStations() {
                return stations;
        }

        @Override
        public void lookupStations(Location location) {
                
                //String url = "http://pumba.t-hoerup.dk:8080/TrainInfoService/LocateStations?latitude=" + location.getLatitude() + "&longitude=" + location.getLongitude();
                String url = "http://app.t-hoerup.dk/TrainInfoService/LocateStations?latitude=" + location.getLatitude() + "&longitude=" + location.getLongitude();
                Log.i("url", url);
                try {
                        stations.clear();
                        
                        String xml = DownloadUtil.getContentString(url, 15000, "ISO-8859-1");
                        
                        
                        Document doc = parseXML(xml);
                        Node rootNode = doc.getDocumentElement(); // stations
                        NodeList stationList = rootNode.getChildNodes();
                        

                        for (int i=0; i<stationList.getLength(); i++) {
                                Node stationNode = stationList.item(i);
                                
                                if (! stationNode.getNodeName().equals("station"))
                                        continue;
        
                                StationBean station = new StationBean();
                                
                                NodeList stationElements = stationNode.getChildNodes();
                                for (int j=0; j<stationElements.getLength(); j++) {     
                                        Node current = stationElements.item(j);
                                                                                
                                        String content = null;
                                        if (current.getFirstChild() != null) 
                                                content = current.getFirstChild().getNodeValue(); //get the textNode - then get the text node's value
                                        
                                        String nodeName = current.getNodeName();
                                        
                                        Log.i("XML", "" + nodeName + "=" + content);
                                        
                                        if (nodeName.equals("id"))
                                                station.setId( Integer.parseInt(content));
                                        
                                        if (nodeName.equals("name"))
                                                station.setName(content);
                                        
                                        if (nodeName.equals("latitude"))
                                                station.setLatitude( Double.parseDouble(content) );
                                        
                                        if (nodeName.equals("longitude"))
                                                station.setLongitude( Double.parseDouble(content) );
                                        
                                        if (nodeName.equals("stationcode"))
                                                station.setCode(content);
                                        
                                        if (nodeName.equals("calcdist"))
                                                station.setDistance( (int) Double.parseDouble(content) );

                                }
                                stations.add(station);                          
                        }               
                        
                        
                } catch (Exception e) {
                        Log.e("XmlStationProvider", "lookupStations: ", e);
                }
        }

        public Document parseXML(String str) throws SAXException, IOException, ParserConfigurationException
        {
                DocumentBuilder builder =  DocumentBuilderFactory.newInstance().newDocumentBuilder();
                return  builder.parse( new ByteArrayInputStream(str.getBytes()) );              
        }
}
1	torben	294	package dk.thoerup.traininfo.provider;
2
3			import java.io.ByteArrayInputStream;
4			import java.io.IOException;
5			import java.util.ArrayList;
6			import java.util.List;
7
8			import javax.xml.parsers.DocumentBuilder;
9			import javax.xml.parsers.DocumentBuilderFactory;
10			import javax.xml.parsers.ParserConfigurationException;
11
12			import org.w3c.dom.Document;
13			import org.w3c.dom.Node;
14			import org.w3c.dom.NodeList;
15			import org.xml.sax.SAXException;
16
17			import android.location.Location;
18			import android.util.Log;
19			import dk.thoerup.traininfo.StationBean;
20			import dk.thoerup.traininfo.util.DownloadUtil;
21
22			public class XmlStationProvider implements StationProvider {
23
24			List<StationBean> stations = new ArrayList<StationBean>();
25
26
27			@Override
28			public List<StationBean> getStations() {
29			return stations;
30			}
31
32			@Override
33			public void lookupStations(Location location) {
34
35			//String url = "http://pumba.t-hoerup.dk:8080/TrainInfoService/LocateStations?latitude=" + location.getLatitude() + "&longitude=" + location.getLongitude();
36			String url = "http://app.t-hoerup.dk/TrainInfoService/LocateStations?latitude=" + location.getLatitude() + "&longitude=" + location.getLongitude();
37			Log.i("url", url);
38			try {
39			stations.clear();
40
41	torben	302	String xml = DownloadUtil.getContentString(url, 15000, "ISO-8859-1");
42	torben	294
43
44			Document doc = parseXML(xml);
45			Node rootNode = doc.getDocumentElement(); // stations
46			NodeList stationList = rootNode.getChildNodes();
47
48
49			for (int i=0; i<stationList.getLength(); i++) {
50			Node stationNode = stationList.item(i);
51
52			if (! stationNode.getNodeName().equals("station"))
53			continue;
54
55			StationBean station = new StationBean();
56
57			NodeList stationElements = stationNode.getChildNodes();
58			for (int j=0; j<stationElements.getLength(); j++) {
59			Node current = stationElements.item(j);
60
61			String content = null;
62			if (current.getFirstChild() != null)
63			content = current.getFirstChild().getNodeValue(); //get the textNode - then get the text node's value
64
65			String nodeName = current.getNodeName();
66
67			Log.i("XML", "" + nodeName + "=" + content);
68
69	torben	310	if (nodeName.equals("id"))
70			station.setId( Integer.parseInt(content));
71
72	torben	294	if (nodeName.equals("name"))
73			station.setName(content);
74
75			if (nodeName.equals("latitude"))
76			station.setLatitude( Double.parseDouble(content) );
77
78			if (nodeName.equals("longitude"))
79			station.setLongitude( Double.parseDouble(content) );
80
81			if (nodeName.equals("stationcode"))
82			station.setCode(content);
83
84			if (nodeName.equals("calcdist"))
85			station.setDistance( (int) Double.parseDouble(content) );
86
87			}
88			stations.add(station);
89			}
90
91
92			} catch (Exception e) {
93			Log.e("XmlStationProvider", "lookupStations: ", e);
94			}
95			}
96
97			public Document parseXML(String str) throws SAXException, IOException, ParserConfigurationException
98			{
99			DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
100			return builder.parse( new ByteArrayInputStream(str.getBytes()) );
101			}
102			}