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 = 400;
        static final String BASEURL = "http://apps.todic.net/side9/"; 

        public static Document parseXML(String str) throws SAXException, IOException, ParserConfigurationException
        {
                DocumentBuilder builder =  DocumentBuilderFactory.newInstance().newDocumentBuilder();
                return  builder.parse( new ByteArrayInputStream(str.getBytes()) );              
        }
        
        
        public static byte[] getContent(String uri) throws IOException {
                byte buffer[] = new byte[256];
                
                ByteArrayOutputStream baos = new ByteArrayOutputStream(32768); //start buffer size - instead of default 32bytes
                
                URL url = new URL(uri);
                URLConnection connection = url.openConnection();
                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 );
                String xmlData = new String(data, "ISO-8859-1");
                Document doc = parseXML(xmlData);               
                
                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			import org.w3c.dom.Document;
15			import org.w3c.dom.Node;
16			import org.w3c.dom.NodeList;
17			import org.xml.sax.SAXException;
18
19	torben	633	import android.util.Log;
20	torben	632
21
22	torben	633
23	torben	632	public class Side9Xml {
24
25	torben	649	static final int WIDTH = 400;
26	torben	632	static final String BASEURL = "http://apps.todic.net/side9/";
27
28			public static Document parseXML(String str) throws SAXException, IOException, ParserConfigurationException
29			{
30			DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
31			return builder.parse( new ByteArrayInputStream(str.getBytes()) );
32			}
33
34
35			public static byte[] getContent(String uri) throws IOException {
36			byte buffer[] = new byte[256];
37
38			ByteArrayOutputStream baos = new ByteArrayOutputStream(32768); //start buffer size - instead of default 32bytes
39
40			URL url = new URL(uri);
41			URLConnection connection = url.openConnection();
42			InputStream is = connection.getInputStream();
43
44			try {
45			int count;
46			while ( (count = is.read(buffer)) != -1) {
47			baos.write(buffer, 0, count);
48			}
49			} finally {
50			try {
51			is.close();
52			baos.close();
53			} catch (Exception e) {} //never mind if close throws an exception
54			}
55
56			return baos.toByteArray();
57			}
58
59	torben	634	public static Side9Data loadXml() throws IOException, ParserConfigurationException, SAXException{
60	torben	632	String dataURL = BASEURL + "xml.php?width=" + WIDTH;
61
62			byte data[] = getContent( dataURL );
63	torben	649	String xmlData = new String(data, "ISO-8859-1");
64	torben	632	Document doc = parseXML(xmlData);
65
66			Node rootNode = doc.getDocumentElement(); // stations
67			NodeList nodes = rootNode.getChildNodes();
68
69			Side9Data side9Data = new Side9Data();
70
71			for (int i=0; i<nodes.getLength(); i++) {
72			Node currentNode = nodes.item(i);
73
74			String name = currentNode.getNodeName();
75			String content = null;
76
77			if (currentNode.getFirstChild() != null)
78			content = currentNode.getFirstChild().getNodeValue(); //get the textNode - then get the text node's value
79
80
81			if (name.equals("imageurl"))
82			side9Data.url = BASEURL + content;
83			if (name.equals("width"))
84			side9Data.width = Integer.parseInt(content);
85			if (name.equals("height"))
86			side9Data.height = Integer.parseInt(content);
87			if (name.equals("caption"))
88			side9Data.caption = content;
89			}
90	torben	633
91			Log.i("Side9Xml", "url: " + side9Data.url);
92			Log.i("Side9Xml", "size: " + side9Data.width + "/" + side9Data.height);
93			Log.i("Side9Xml", "capt: " + side9Data.caption);
94
95	torben	632
96
97
98
99			return side9Data;
100			}
101
102			}
103