thoerup/side9/Side9Xml.java

package dk.thoerup.side9;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;

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.util.Log;


public class Side9Xml {
        
        static final int WIDTH = 450;
        static final String BASEURL = "http://apps.todic.net/side9/"; 

        public static Document parseXML(byte data[]) throws SAXException, IOException, ParserConfigurationException
        {
                DocumentBuilder builder =  DocumentBuilderFactory.newInstance().newDocumentBuilder();
                
                return  builder.parse( new ByteArrayInputStream( data)  );              
        }
        
        
        public static byte[] getContent(String uri) throws IOException {
                byte buffer[] = new byte[4096];
                

                ByteArrayOutputStream baos = new ByteArrayOutputStream(32768); //start buffer size - instead of default 32bytes
                
                URL url = new URL(uri);
                URLConnection connection = url.openConnection();
                connection.setConnectTimeout(2500);
                InputStream is = connection.getInputStream();
                
                try {
                        int count;
                        while ( (count = is.read(buffer)) != -1) {
                                baos.write(buffer, 0, count);
                        }
                } finally {
                        try {
                                is.close();
                                baos.close();
                        } catch (Exception e) {} //never mind if close throws an exception
                }
                                
                return baos.toByteArray();
        }
        
        public static Side9Data loadXml() throws IOException, ParserConfigurationException, SAXException{
                String dataURL = BASEURL + "xml.php?width=" + WIDTH;
                
                byte data[] = getContent( dataURL );            
                Document doc = parseXML( data );                
                
                Node rootNode = doc.getDocumentElement(); // stations
                NodeList nodes = rootNode.getChildNodes();
                
                Side9Data side9Data = new Side9Data();
                
                for (int i=0; i<nodes.getLength(); i++) {
                        Node currentNode = nodes.item(i);
                        
                        String name = currentNode.getNodeName();
                        String content = null;
                        
                        if (currentNode.getFirstChild() != null)
                                content = currentNode.getFirstChild().getNodeValue(); //get the textNode - then get the text node's value

                        
                        if (name.equals("imageurl")) 
                                side9Data.url = BASEURL + content;
                        if (name.equals("width"))
                                side9Data.width = Integer.parseInt(content);                    
                        if (name.equals("height"))
                                side9Data.height = Integer.parseInt(content);
                        if (name.equals("caption"))
                                side9Data.caption = content;
                }
                
                Log.i("Side9Xml", "url:  " + side9Data.url);
                Log.i("Side9Xml", "size: " + side9Data.width + "/" + side9Data.height);
                Log.i("Side9Xml", "capt: " + side9Data.caption);
                
                                
                return side9Data;
        }
        
}
 
1	torben	632	package dk.thoerup.side9;
2
3			import java.io.ByteArrayInputStream;
4			import java.io.ByteArrayOutputStream;
5			import java.io.IOException;
6			import java.io.InputStream;
7			import java.net.URL;
8			import java.net.URLConnection;
9
10			import javax.xml.parsers.DocumentBuilder;
11			import javax.xml.parsers.DocumentBuilderFactory;
12			import javax.xml.parsers.ParserConfigurationException;
13
14	torben	855
15	torben	632	import org.w3c.dom.Document;
16			import org.w3c.dom.Node;
17			import org.w3c.dom.NodeList;
18			import org.xml.sax.SAXException;
19
20	torben	633	import android.util.Log;
21	torben	632
22
23	torben	633
24	torben	632	public class Side9Xml {
25
26	torben	793	static final int WIDTH = 450;
27	torben	632	static final String BASEURL = "http://apps.todic.net/side9/";
28
29	torben	855	public static Document parseXML(byte data[]) throws SAXException, IOException, ParserConfigurationException
30	torben	632	{
31			DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
32	torben	854
33	torben	855	return builder.parse( new ByteArrayInputStream( data) );
34	torben	632	}
35
36
37			public static byte[] getContent(String uri) throws IOException {
38	torben	856	byte buffer[] = new byte[4096];
39	torben	632
40	torben	854
41
42	torben	632	ByteArrayOutputStream baos = new ByteArrayOutputStream(32768); //start buffer size - instead of default 32bytes
43
44			URL url = new URL(uri);
45			URLConnection connection = url.openConnection();
46	torben	703	connection.setConnectTimeout(2500);
47	torben	632	InputStream is = connection.getInputStream();
48
49			try {
50			int count;
51			while ( (count = is.read(buffer)) != -1) {
52			baos.write(buffer, 0, count);
53			}
54			} finally {
55			try {
56			is.close();
57			baos.close();
58			} catch (Exception e) {} //never mind if close throws an exception
59			}
60
61			return baos.toByteArray();
62			}
63
64	torben	634	public static Side9Data loadXml() throws IOException, ParserConfigurationException, SAXException{
65	torben	632	String dataURL = BASEURL + "xml.php?width=" + WIDTH;
66
67	torben	855	byte data[] = getContent( dataURL );
68			Document doc = parseXML( data );
69	torben	854
70	torben	632	Node rootNode = doc.getDocumentElement(); // stations
71			NodeList nodes = rootNode.getChildNodes();
72
73			Side9Data side9Data = new Side9Data();
74
75			for (int i=0; i<nodes.getLength(); i++) {
76			Node currentNode = nodes.item(i);
77
78			String name = currentNode.getNodeName();
79			String content = null;
80
81			if (currentNode.getFirstChild() != null)
82			content = currentNode.getFirstChild().getNodeValue(); //get the textNode - then get the text node's value
83
84
85			if (name.equals("imageurl"))
86			side9Data.url = BASEURL + content;
87			if (name.equals("width"))
88			side9Data.width = Integer.parseInt(content);
89			if (name.equals("height"))
90			side9Data.height = Integer.parseInt(content);
91			if (name.equals("caption"))
92			side9Data.caption = content;
93			}
94	torben	633
95			Log.i("Side9Xml", "url: " + side9Data.url);
96			Log.i("Side9Xml", "size: " + side9Data.width + "/" + side9Data.height);
97			Log.i("Side9Xml", "capt: " + side9Data.caption);
98
99	torben	632
100
101
102
103			return side9Data;
104			}
105
106			}
107